28V Input Mini Family Datasheet by Vicor Corporation
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VICCJR
28V Wide Input
Mini Family
DC-DC Converter Module
Actual size:
2.28 x 2.2 x 0.5in
[57,9 x 55,9 x 12,7mm]
28V Wide Mini Family Rev 2.5
Page 1 of 11 07/2019
S
NRTL
CUS
CUS
®
Note: Product images may not highlight current product markings.
Pin Style Finish
Blank: Short Tin/Lead
L: Long Tin/Lead
S: Short ModuMate Gold
N: Long ModuMate Gold
F: Short RoHS Gold
G: Long RoHS Gold
K: Extra Long RoHS Gold
Baseplate
Blank: Slotted
2: Threaded
3: Through-hole
Product Type
V = Standard
S = Enhanced
efficiency
(avail. ≤12
VOUT only)
Output Power
VOUT POUT
3.3V 75W
5V 75W
12V 125W
15V 150W
24V 150W
28V 150W
36V 150W
48V 150W
Output Voltage
3V3 = 3.3V
5 = 5V
8 = 8V
12 = 12V
15 = 15V
24 = 24V
28 = 28V
36 = 36V
48 = 48V
Parameter Rating Unit Notes
+IN to –IN voltage –0.5 to +53 VDC
PC to –IN voltage –0.5 to +7.0 VDC
PR to –IN voltage –0.5 to +7.0 VDC
SC to –OUT voltage –0.5 to +1.5 VDC
–Sense to –OUT voltage 1.0 VDC
Isolation voltage
IN to OUT 3000 VRMS Test voltage
IN to base 1500 VRMS Test voltage
OUT to base 500 VRMS Test voltage
Operating Temperature –55 to +100 °C M-Grade
Storage Temperature –65 to +125 °C M-Grade
Pin soldering temperature 500 [260] °F [°C] <5 sec; wave solder
750 [390] °F [°C] <7 sec; hand solder
Mounting torque 5 [0.57] in.lbs [N.m] 6 each
Absolute Maximum Ratings
Applications
Industrial and process control, distributed power, medical, ATE, communications,
defense and aerospace.
For details on proper operation please refer to the:
Design Guide & Applications Manual for Maxi, Mini, Micro Family.
Features & Benefits
•DC input range: 9 – 36V [a]
•Isolated output
•Input surge withstand: 50V for 100ms
•DC output: 3.3 – 48V
•Programmable output: 10 – 110%
•Regulation: ±0.2% no load to full load
•Maximum operating temp: 100°C,
full load
•Power density: up to 60W per cubic inch
•Height above board: 0.43in [10,9mm]
•Parallelable, with N+M fault tolerance
•Low-noise ZCS/ZVS architecture
•RoHS Compliant (with F or G pin option)
Product Overview
These DC-DC converter modules use advanced
power processing, control and packaging
technologies to provide the performance,
flexibility, reliability and cost effectiveness of a
mature power component.
High-frequency ZCS/ZVS switching provides
high power density with low noise and
high efficiency.
[a] Derate power to 75% for 9 – 10VIN.
Part Numbering
e.g. V28B24T150BL2
B
28B
Product Grade Temperatures (°C)
Grade Operating Storage
C = –20 to +100 –40 to +125
T = –40 to +100 –40 to +125
H = –40 to +100 –55 to +125
M = –55 to +100 –65 to +125
VICOR
28V Wide Mini Family Rev 2.5
Page 2 of 11 07/2019
28V Wide Input
Parameter Min Typ Max Unit Notes
Operating input voltage 9 24 36 VDC From 9 to 10V input available power is reduced to
75% of max rating.
Input surge withstand 50 VDC <100ms
Undervoltage turn-on 8.73 8.95 VDC
Undervoltage turn-off 7.37 7.64 VDC
Overvoltage turn-off/on 36.3 37.8 39.6 VDC
Disabled input current 12.0 14.0 mA PC pin low
Parameter Min Typ Max Unit Notes
Output voltage set point ±1 % Of nominal output voltage. Nominal input; full load; 25°C
Line regulation ±0.02 ±0.20 % Low line to high line; full load
Temperature regulation ±0.002 ±0.005 %/°C Over operating temperature range
Power sharing accuracy ±2 ±5 % 10 – 100% of full load
Of nominal output voltage. For trimming below 90%
Programming range 10 110 % of nominal, a minimum load of 10% of maximum
rated power may be required.
+OUT to –OUT, +Sense to –OUT — Absolute Maximum Ratings
3.3V –0.5 to 4.7 VDC Externally applied
5V –0.5 to 7.0 VDC Externally applied
12V –0.5 to 16.1 VDC Externally applied
15V –0.5 to 20.0 VDC Externally applied
24V –0.5 to 31.7 VDC Externally applied
28V –0.5 to 36.9 VDC Externally applied
36V –0.5 to 47.1 VDC Externally applied
48V –0.5 to 62.9 VDC Externally applied
Module Input Specifications
Module Output Specifications
Note: The permissible load current must never be exceeded during normal, abnormal or test conditions. For additional output related application information,
please refer to output connections on page 6.
Parameter Min Typ Max Unit
Baseplate to sink; flat, greased surface 0.16 °C/Watt
Baseplate to sink; thermal pad (P/N 20264) 0.14 °C/Watt
Baseplate to ambient 8.0 °C/Watt
Baseplate to ambient; 1000LFM 1.9 °C/Watt
Thermal capacity 83 Watt-sec/°C
Thermal Resistance and Capacity
Module Family Electrical Characteristics
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature, unless otherwise specified.
All temperatures refer to the operating temperature at the center of the baseplate.
VICOR
28V Wide Mini Family Rev 2.5
Page 3 of 11 07/2019
28V Wide Input
Parameter Min Typ Max Unit Notes
Remote sense (total drop) 0.5 VDC 0.25V per leg (sense leads must be connected to
respective, output terminals)
Isolation test voltage (IN to OUT)* 3000 VRMS Complies with reinforced insulation requirements
Isolation test voltage (IN to base)* 1500 VRMS Complies with basic insulation requirements
Isolation test voltage (OUT to base)* 500 VRMS Complies with operational insulation requirements
Isolation resistance 10 MΩ IN to OUT, IN to baseplate, OUT to baseplate
Weight (E, C, T grade) 3.1 3.5 3.9 ounces
[89.3] [100.3] [111.3] [grams]
Weight (H, M grade) 3.5 3.9 4.3 ounces
[99.6] [110.6] [121.6] [grams]
Temperature limiting 100 115 °C See Figures 3 and 5. Do not operate coverter >100°C.
Agency approvals cURus, cTÜVus, CE UL60950-1, EN60950-1, CSA60950-1, IEC60950-1.
With appropriate fuse in series with the +Input
Parameter Min Typ Max Unit Notes
Primary Side (PC = Primary Control; PR = Parallel)
PC bias voltage 5.50 5.75 6.00 VDC PC current = 1.0mA
current limit 1.5 2.1 3.0 mA PC voltage = 5.5V During normal operation
PC module disable 2.3 2.6 2.9 VDC Switch must be able to sink ≥4mA. See Figure 2
PC module enable delay 4 7 ms
PC module alarm 0.5 VAVG UV, OV, OT, module fault. See Figures 3 and 5
PC resistance 0.9 1.0 1.1 MΩ See Figure 3, converter off or fault mode
PR emitter amplitude 5.7 5.9 6.1 Volts PR load >30Ω, <30pF
PR emitter current 150 mA
PR receiver impedance 375 500 625 Ω 25°C
PR receiver threshold 2.4 2.5 2.6 Volts Minimum pulse width: 20ns
PR drive capability 12 modules Without PR buffer amplifier
Secondary Side (SC = Secondary Control)
SC bandgap voltage 1.21 1.23 1.25 VDC Referenced to –Sense
SC resistance 990 1000 1010 Ω
SC capacitance 0.033 µF
SC module alarm 0 VDC With open trim; referenced to –Sense. See Figure 7
Module Control Specifications
Module General Specifications
* Isolation test voltage, 1 minute or less.
Note: Specifications are subject to change without notice.
Module Family Electrical Characteristics (Cont.)
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature, unless otherwise specified.
All temperatures refer to the operating temperature at the center of the baseplate.
VICCJR
28V Wide Mini Family Rev 2.5
Page 4 of 11 07/2019
28V Wide Input
Parameter Min Typ Max Unit Notes
Efficiency
S28B3V3C75BL (enhanced efficiency) 78.0 83.0 % Nominal input; 75% load; 25°C
V28B3V3C75BL (standard efficiency) 76.7 77.7
Ripple and noise 60 75 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP 4.14 4.3 4.46 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 5.2 5.8 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 22.73 Amps For VIN 9 – 10V, load current 17.05A max.
Current limit 23.1 26.1 30.7 Amps Output voltage 95% of nominal
Short circuit current 15.8 26.1 30.7 Amps Output voltage <250mV
3.3VOUT, 75W (e.g. S28B3V3C75BL, V28B3V3C75BL)
Parameter Min Typ Max Unit Notes
Efficiency
S28B5C75BL (enhanced efficiency) 75.0 79.0 % Nominal input; 75% load; 25°C
V28B5C75BL (standard efficiency) 71.8 73.3
Ripple and noise 252 315 mV P-P; Nominal input; 75% load; 20MHz bandwidth
Output OVP set point 6.03 6.25 6.47 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 5.8 6.5 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 15 Amps For VIN 9 – 10V, load current 11.25A max.
Current limit 15.3 17.3 20.3 Amps Output voltage 95% of nominal
Short circuit current 10.5 17.3 20.3 Amps Output voltage <250mV
5VOUT, 75W (e.g. S28B5C75BL, V28B5C75BL)
Parameter Min Typ Max Unit Notes
Efficiency
S28B12C125BL (enhanced efficiency) 83.0 85.0 % Nominal input; 75% load; 25°C
V28B12C125BL (standard efficiency) 79.3 80.8
Ripple and noise 290 363 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP set point 13.7 14.3 14.9 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 8.2 9.4 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 10.4 Amps For VIN 9 – 10V, load current 7.8A max.
Current limit 10.6 12.0 14.1 Amps Output voltage 95% of nominal
Short circuit current 7.3 12.0 14.1 Amps Output voltage <250mV
12VOUT, 125W (e.g. S28B12C125BL, V28B12C125BL)
Parameter Min Typ Max Unit Notes
Efficiency 82.5 83.9 % Nominal input; 75% load; 25°C
Ripple and noise 328 410 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP set point 17.1 17.8 18.5 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 6.8 7.8 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 10 Amps For VIN 9 – 10V, load current 7.5A max.
Current limit 10.2 11.5 13.5 Amps Output voltage 95% of nominal
Short circuit current 7 11.5 13.5 Amps Output voltage <250mV
15VOUT, 150W (e.g. V28B15C150BL)
Module-Specific Operating Specifications
VICCJR
28V Wide Mini Family Rev 2.5
Page 5 of 11 07/2019
28V Wide Input
Module-Specific Operating Specifications (Cont.)
Parameter Min Typ Max Unit Notes
Efficiency 78.5 81.0 % Nominal input; 75% load; 25°C
Ripple and noise 448 560 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP set point 27.1 28.1 29.1 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 8.9 10.5 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 6.25 Amps For VIN 9 – 10V, load current 4.69A max.
Current limit 6.37 7.19 9.2 Amps Output voltage 95% of nominal
Short circuit current 4.37 7.19 9.2 Amps Output voltage <250mV
24VOUT, 150W (e.g. V28B24C150BL)
Parameter Min Typ Max Unit Notes
Efficiency 79.4 80.9 % Nominal input; 75% load; 25°C
Ripple and noise 360 450 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP set point 31.5 32.7 33.9 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 9.6 10.9 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 5.36 Amps For V
IN
9 – 10V, load current 4.02A max.
Current limit 5.46 6.16 7.24 Amps Output voltage 95% of nominal
Short circuit current 3.75 6.16 7.24 Amps Output voltage <250mV
28V
OUT
, 150W (e.g. V28B28C150BL)
Parameter Min Typ Max Unit Notes
Efficiency 78.8 79.8 % Nominal input; 75% load; 25°C
Ripple and noise 320 400 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP set point 40.4 41.9 43.4 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 9 10 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 4.17 Amps For V
IN
9 – 10V, load current 3.13A max.
Current limit 4.25 4.8 5.63 Amps Output voltage 95% of nominal
Short circuit current 2.91 4.8 5.63 Amps Output voltage <250mV
Parameter Min Typ Max Unit Notes
Efficiency 80.5 81.8 % Nominal input; 75% load; 25°C
Ripple and noise 320 400 mV P-P; Nominal input; full load; 20MHz bandwidth
Output OVP set point 53.7 55.7 57.7 Volts 25°C; recycle input voltage or PC to restart (>100ms off)
Dissipation, standby 5.6 14 Watts No load
Load regulation ±0.02 ±0.2 % No load to full load; nominal input
Load current 0 3.13 Amps For V
IN
9 – 10V, load current 2.35A max.
Current limit 3.19 3.6 4.23 Amps Output voltage 95% of nominal
Short circuit current 2.19 3.6 4.23 Amps Output voltage <250mV
48V
OUT
, 150W (e.g. V28B48C150BL)
36V
OUT
, 150W (e.g. V28B36C150BL)
VICCJR
28V Wide Mini Family Rev 2.5
Page 6 of 11 07/2019
28V Wide Input
+IN
PC
PR
–IN
+OUT
+S
SC
–S
–OUT
C3*
4.7nF
C2*
4.7nF
For C1 – C5, keep leads and connections short.
C5*
4.7nF
C4*
4.7nF
F1*
C1*
0.2µF
Figure 1 — Basic module operation requires fusing, grounding, bypassing capacitors.* See Maxi, Mini, Micro Design Guide.
Basic Module Operation
Comprehensive Online Application Information The Design Guide and Applications Manual includes:
• Application circuits
• Design requirements
• EMC considerations
• Current sharing in power arrays
• Thermal performance information
• Recommended soldering methods
• Accessory modules – filtering, rectification, front-ends
• Mounting options
• ...and more.
Also at vicorpower.com
• PowerBench online configurators
• Over 20 Application Notes
• Online calculators – thermal, trimming, hold-up
• PDF data sheets for ALL Vicor products
CLICK HERE TO VIEW
DESIGN GUIDE
Output Connections and Considerations
The permissible load current must never be exceeded during
normal, abnormal or test conditions. Converters subject to dynamic
loading exceeding 25% of rated current must be reviewed by
Vicor Applications Engineering to ensure that the converter will
operate properly.
Under dynamic-load, light-load or no-load conditions, the converter
may emit audible noise. Converters that utilize remote sense may
require compensation circuitry to offset the phase lag caused by
the external output leads and load impedance. Remote-Sense
leads must be protected for conditions such as lead reversal,
noise pickup, open circuit or excessive output lead resistance
between the sense point and the converters output terminals.
For applications that may draw more than the rated current, a
fast-acting electronic circuit breaker must be utilized to protect
the converter. Under no circumstance should the rated current be
exceeded. Utilizing or testing of current limit or short circuit current
will damage the converter. Ensure that the total output capacitance
connected to the converter does not exceed the limits on Page 16,
“Maximum Output Capacitance”, of the design guide.
VICCJR
28V Wide Mini Family Rev 2.5
Page 7 of 11 07/2019
28V Wide Input
Disable
Disable = PC <2.3V
+OUT
+S
SC
–S
–OUT
+IN
PC
PR
–IN
Figure 2 — Module enable/disable
+OUT
+S
SC
–S
–OUT
+IN
PC
PR
–IN
Input Undervoltage
2 – 20ms typ.
f (VIN)
Auto
Restart
5.7VDC
(0 – 3mA)
50Ω
SW2 SW3
1.23
VDC
6kΩ
1kΩ
SW1
SW1, 2, & 3
shown in
"Fault" position
Input Overvoltage
Overtemperature
Module Faults
1MΩ
Figure 3 — PC/SC module alarm logic
Figure 4 — LED on-state indicator
4kΩ
"Module
Enabled"
+OUT
+S
SC
–S
–OUT
+IN
PC
PR
–IN 2 – 20ms typ.
Fault
SC
PC
1.23V
5.7V
40µs typ.
Figure 5 — PC/SC module alarm timing
Optocoupler +OUT
+S
SC
–S
–OUT
+IN
PC
PR
–IN
4kΩ
Alarm
1.00V
+OUT
+S
SC
–S
–OUT
+IN
PC
PR
–IN
Figure 6 — Isolated on-state indicator Figure 7 — Secondary-side on-state indicator
Module Enable/Disable
The module may be disabled by pulling PC to 0V (2.3V max) with
respect to the –Input. This may be done with an open collector
transistor, relay, or optocoupler. Converters may be disabled with
a single transistor or relay either directly or via “OR’ing” diodes for
two or more converters. See Figure 2.
Primary Auxiliary Supply
During normal operation only, the PC Pin can source 5.7V
@ 1.5mA. In the example shown in Figure 4, PC powers a
module enabled LED.
Module Alarm
The module contains “watchdog” circuitry which monitors input
voltage, operating temperature and internal operating parameters.
In the event that any of these parameters are outside of their
allowable operating range, the module will shut down and PC will
go low. PC will periodically go high and the module will check to
see if the fault (as an example, Input Undervoltage) has cleared.
If the fault has not been cleared, PC will go low again and the
cycle will restart. The SC pin will go low in the event of a fault
and return to its normal state after the fault has been cleared. See
Figures 3 and 5.
Primary Control – PC Pin
VICCJR
28V Wide Mini Family Rev 2.5
Page 8 of 11 07/2019
28V Wide Input
Secondary Control – SC Pin
Output Voltage Programming
The output voltage of the converter can be adjusted or
programmed via fixed resistors, potentiometers or voltage
DACs. See Figure 8.
Trim Down
1. This converter is not a constant-power device – it has a
constant current limit. Hence, available output power is
reduced by the same percentage that output voltage is
trimmed down. Do not exceed maximum rated output current.
2. The trim-down resistor must be connected between the SC
and –S pins. Do not bypass the SC pin directly with a capacitor.
Trim Up
1. The converter is rated for a maximum delivered power. To
ensure that maximum rated power is not exceeded, reduce
maximum output current by the same percentage increase in
output voltage.
2. The trim-up resistor must be connected between the SC and
+S pins. Do not bypass the SC pin directly with a capacitor.
3. Do not trim the converter above maximum trim range (typically
+10%) or the output over voltage protection circuitry may
be activated.
Parallel Bus – PR Pin
Parallel Operation
The PR pin supports paralleling for increased power with N+1
(N+M) redundancy. Modules of the same input voltage, output
voltage, and power level will current share if all PR pins are
suitably interfaced.
Compatible interface architectures include the following:
AC-coupled single-wire interface. All PR pins are connected to a
single communication bus through 0.001µF (500V) capacitors. This
interface supports current sharing and is fault tolerant except for
the communication bus. Up to three converters may be paralleled
by this method. See Figure 9.
Transformer-coupled interface. For paralleling four or more
converters a transformer-coupled interface is required, and under
certain conditions a PR buffer circuit.
For details on parallel operation please refer to the
Design Guide & Applications Manual for Maxi, Mini, Micro Family.
Figure 8 — Output voltage trim-down and trim-up circuit
–OUT
+S
SC
Error Amplifier
+
0.033µF
–
+
-S
+OUT
Load
Rd
Trim Down
Ru
Trim Up
1.23V
1kΩ
100Ω typ.
1,000 VOUT
VNOM – VOUT
Rd (Ω) =
1,000 (VOUT –1.23) VNOM
1.23 (VOUT – VNOM)
RU (Ω) = – 1,000
Trim resistor values calculated automatically:
On-line calculators for trim resistor values are available on
the vicor website at:
asp.vicorpower.com/calculators/calculators.asp?calc=1
Resistor values can be calculated for fixed trim up, fixed
trim down and for variable trim up or down.
Figure 9 — AC-coupled single-wire interface
* See Maxi, Mini, Micro Design Guide
+IN
PC
PR
–IN
+IN
PC
PR
–IN
Module 2
Module 1
+
Parallel
Bus
–
0.2µF
0.001µF
0.2µF
0.001µF
Low inductance
ground plane
or bus
4.7nF
4.7nF
4.7nF
4.7nF
R1*
R1*
+IN
PC
PR
–IN
+IN
PC
PR
–IN
Module 2
Module 1
T1
T2
+
–
0.2µF
0.2µF
Parallel
Bus
4.7nF
4.7nF
4.7nF
4.7nF
R1*
R1*
Figure 10 — Transformer-coupled interface
Number of Converters in Parallel *R1 value Ω
275
350
433
5 or more refer to application note:
Designing High-Power Arrays
using Maxi, Mini, Micro
Family DC-DC Converters
VICCJR
28V Wide Mini Family Rev 2.5
Page 9 of 11 07/2019
28V Wide Input
Designator Description Finish Notes
(None) Short Tin/Lead Requires inboard mounting
L Long Tin/Lead On-board mounting for 0.065in boards
S Short ModuMate Gold SurfMate or inboard socket mounting
N Long ModuMate Gold On-board socket mounting
F Short RoHS Gold Select for RoHS-compliant inboard solder, socket or SurfMate mounting
G Long RoHS Gold Select for RoHS-compliant onboard solder or socket mounting
K Extra Long RoHS Gold Select for RoHS compliance onboard mounting for thicker PCBs
(not intended for socket or Surfmate mounting)
* Pin style designator follows the “B” after the output power and precedes the baseplate designator.
Ex. V28B12T125BN2 — Long ModuMate Pins
Pin Styles*
Module 2
Module 1
Module N+1
+OUT
+S
SC
–S
–OUT
Load
+S
–S
+OUT
+S
SC
–S
–OUT
+OUT
+S
SC
–S
–OUT
Figure 11 — N+1 module array output connections
• The +OUT and –OUT power buses should be designed to
minimize and balance parasitic impedance from each
module output to the load.
• The +Sense pins must be tied together to form a
+Sense bus. This must be Kelvin connected to +OUT at a
single point. The –Sense pins should be tied together to
form a –Sense bus. This must be Kelvin connected to –OUT
at a single point.
• At the discretion of the power system designer, a subset
of all modules within an array may be configured as slaves
by connecting SC to –S.
• OR’ing diodes may be inserted in series with the +OUT pins
of each module to provide module output fault tolerance.
• The +Sense and –Sense leads should be routed in close
proximity to each other on the printed circuit board. If wires
are used to connect the converters on a PCB to an external
load, the Sense leads should be twisted together to reduce
noise pickup.
Parallel Bus Output
Storage
Vicor products, when not installed in customer units, should be
stored in ESD safe packaging in accordance with ANSI/ESD S20.20,
“Protection of Electrical and Electronic Parts, Assemblies and
Equipment” and should be maintained in a temperature controlled
factory/ warehouse environment not exposed to outside elements
controlled between the temperature ranges of 15°C and 38°C.
Humidity shall not be condensing, no minimum humidity when
stored in an ESD compliant package.
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VICCJR
28V Wide Mini Family Rev 2.5
Page 10 of 11 07/2019
28V Wide Input
Mechanical Drawings
Figure 12 — Module outline
0.195
4,95
1.400*
35,56
1.000*
25,40
0.700*
17,78
0.400*
10,16
1.790**
45,47
0.06
1,5
R (4X) 0.158
4,01
56789
12 34
±0.003
±0,08
* DENOTES TOL =
PCB THICKNESS 0.062 ±0.010
1,57 ±0,25
SHORT PIN STYLE
0.094 ±0.003
2,39 ±0,08
INBOARD
SOLDER
MOUNT
0.45
043
0.45
0.45
11,5
0.53
13,5
0.52
13,2
Requires Style 2
(Long) Pin
1.900*
48.26
1.900*
48,26
1.575**
40,00
0.164 ±0.003
4,16 ±0,08
LONG PIN STYLE
0.094 ±0.003
2,39 ±0,08
ONBOARD
SOLDER
MOUNT
0.164 ±0.003
4,16 ±0,08
SOLDER PIN
0.094 ±0.003
2,39 ±0,08
ONBOARD
SOLDER
MOUNT
0.164 ±0.003
4,16 ±0,08
PLATED
THROUGH HOLE
DIA
(7X)
(2X)
SOCKET HEADERS
(SURFACE MOUNT)
KIT INCLUDES
INPUT & OUTPUT
P/N 16021
INBOARD
SOCKET
MOUNT
0.46
11,7
SOCKET
0.183 ±0.003
4,65 ±0,08
ONBOARD
SOCKET
SURFACE MOUNT
0.56
14,2
SURFACE MOUNT
N/A
N/A
SOCKETS
0.080" DIA. PINS (7X)
P/N 13632 (100 pcs.)
0.150" DIA. PINS (2X)
P/N 13633 (100 pcs.)
P/N 16019 (9 pc. Kit)
0.266 ±0.003
6,76 ±0,08
Sockets and Standoffs are on hold as of 3-3-99
Sockets and Standoffs are staying the same as of 3-3-99
** PCB WINDOW
0.45
SOLDER
MOUNT
SOCKET MOUNT
OPTIONAL
(2X)
*
*±0,08
±
DENOTES TOL= 0.003
*
*
*
*
4312
9876 5
(9X) PLATED
THROUGH HOLE DIA
PCB Mounting Specifications
0.400
10,16 0.700
17,78
1.000
25,40
1.400
35,56
1.900
48,26
FULL R (6X)
(6X)
(REF.)
0.10
2,5
2.000
50,80
1.30
33,0
2.28
57,9
2.20
55,9
0.130
3,30
0.10
2,5
0.49
12,4
0.65
16,5
0.06
1,5
R(3X)
ALL MARKINGS
THIS SURFACE
X 45˚
CHAMFER
Use a 4-40 Screw (6X)
Torque to:
5 in-lbs
0.57 N-m
PINS STYLES
SOLDER:TIN / LEAD PLATED
MODUMATE: GOLD PLATED COPPER
RoHS: GOLD PLATED COPPER
ALUMINUM
BASEPLATE
(2X)
0.01
0.35
8,8
0.20**
5,1
0.12*
3,1
DIA,(7X)
0.150
3,81
(REF)
DIA,(2X)
0.080
2,03
431
98
2
76 5
0.23
5,8
0.400
10,16
1.400
35,56
1.000
25,40
0.700
17,78
2.20
55,9
1.76
44,7
0.54
13,7
0.43
10,9
Pin Style 2&N
(Long Pin)
0.62
15,7
Pin Style 1&S
(Short Pin)
(9X)
(9X)
(ALL MARKINGS
THIS SURFACE)
ALUMINUM
BASEPLATE
0.50 ±0.02
12,7 ±0,5
* Style 1 baseplate only
** Style 2 & 3 baseplates
*** Reserved for Vicor accessories
Not for mounting
Pin center line
style 2 & 3
baseplates only
(4X)***
0.300 ±0.015
7,62 ±0,38
0.300 ±0.015
7,62 ±0,38
1.900
48,26 Pin C
L
C
L
Slotted
Threaded
4-40 UNC-2B (6X)
Thru Hole
#30 Drill Thru (6X)
(0.1285)
0.13
3,3
FULL R (6X)
(6X)
Pin Style K
(Extra Long Pin)
0.71
18,0 (9X)
NOTES:
1. MATERIAL:
BASE: 6000 SERIES ALUMINUM
COVER: LCP, ALUMINUM 3003 H14
PINS: RoHS PINS GOLD PLATE 30 MICRO INCH MIN; NON-RoHS
PINS: TIN/LEAD 90/10 BRIGHT
2. DIMENSIONS AND VALUES IN BRACKETS ARE METRIC
3. MANUFACTURING CONTROL IS IN PLACE TO ENSURE THAT THE SPACING
BETWEEN THE MODULES LABEL SURFACE TO THE PRINTED CIRCUIT BOARD
OF THE APPLICATION RANGES FROM DIRECT CONTACT (ZERO), TO THE
MAXIMUM GAP AS CALCULATED FROM THE TOLERANCE STACK-UP
AND IS NOT SUBJECT NEGATIVE TOLERANCE ACCUMULATION
For Soldering Methods and Procedures
Please refer to:
The Maxi, Mini, Micro Design Guide.
Figure 13 — PCB mounting specifications
Unless otherwise specified,
dimensions are in inches
mm
Decimals Tol. Angles
0.XX ±0.01
±0.25 ±1°
0.XXX ±0.005
±0.127
L
kl{hpsGX
YGaGX
SLOTTED BASEPLATE
2. DIMENSIONS AND VALUES IN BRACKETS ARE METRIC
3. MANUFACTURING CONTROL IS IN PLACE TO ENSURE THAT THE SPACING
BETWEEN THE MODULES LABEL SURFACE TO THE PRINTED CIRCUIT BOARD
OF THE APPLICATION RANGES FROM DIRECT CONTACT (ZERO), TO THE
MAXIMUM GAP AS CALCULATED FROM THE TOLERANCE STACK-UP
AND IS NOT SUBJECT NEGATIVE TOLERANCE ACCUMULATION
Converter Pins
No. Function Label
1 +IN +
2 Primary PC
Control
3 Parallel PR
4 –IN –
5 –OUT –
6 –Sense –S
7 Secondary SC
Control
8 +Sense +S
9 +OUT +
VICOR
28V Wide Mini Family Rev 2.5
Page 11 of 11 07/2019
28V Wide Input
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Andover, MA, USA 01810
Tel: 800-735-6200
Fax: 978-475-6715
www.vicorpower.com
email
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Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. Vicor
makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication. Vicor reserves
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mandated by government requirements, testing of all parameters of each product is not necessarily performed.
Specifications are subject to change without notice.
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