This user guide describes the hardware for the evaluation of the ADP5023/ADP5024/ADP5034/ADP5037 and includes detailed schematics and PCB layouts. The ADP5023/ADP5024/ ADP5034/ADP5037 are available in a 24-lead 4 mm × 4 mm LFCSP package. The ADP5023/ADP5024 are three-channel devices that share a common PCB evaluation board. The ADP5034/ADP5037 are four-channel devices and share a common evaluation board. The ADP5023/ADP5024/ADP5034 and ADP5037 all operate in the same manner. Note that this user guide covers all of these boards, but refers to the ADP5034 for simplicity.
The ADP5034 LFCSP evaluation board has two step-down regulators with two LDOs that enable evaluation of the ADP5034. The evaluation board is available in an adjustable voltage option.
Full details on the parts are provided in the appropriate product data sheet available from Analog Devices, Inc., which should be consulted in conjunction with this evaluation board user guide.
| Manufacturer | Analog Devices Inc. |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | DC/DC SMPS - Multi Output |
| Eval Board Part Number | ADP5034-1-EVALZ-ND |
| Eval Board Supplier | Analog Devices Inc. |
| Eval Board |
Board not Stocked
|
| Topology |
Step Down
|
| Outputs and Type |
4 Non-Isolated
|
| Voltage Out: Highest Current First |
1V (x4)
|
| Current Out |
1A, 1A, 300mA, 300mA
|
| Voltage In |
2.3 ~ 5.5 V
|
| Efficiency @ Conditions |
>85%, 3.6V in, 1.8V @ 0.08 ~ 1 A (PWM)
>85%, 3.6V in, 1.8V @ 0.006 ~ 1 A (PSM) |
| Voltage Out Range |
0.8 ~ 3.8 V (x 2 Bucks), 0.8 ~ 5.2 V (x 2 LDOs)
|
| Features |
Current Limit (Adj. or Fixed)
Power Save Mode PWM Interface Short Circuit Protection Shutdown, Enable, Standby Soft Start Thermal Protection Under Voltage Protection, Brown-Out |
| Switching Frequency |
2.5 ~ 3.5 MHz
|
| Standby Current [Typical] |
300 nA
|
| Quiescent Current [Typical] |
108 µA
|
| Component Count + Extras |
29 + 4
|
| Internal Switch |
Yes
|
| Design Author |
Analog Devices
|
| Application / Target Market |
Medical
Portable Devices |
| Standby Current [Maximum] |
1 µA
|
| Quiescent Current [Maximum] |
175 µA
|
| Main I.C. Base Part |
ADP5034
|
| Date Created By Author | 2011-08 |
| Date Added To Library | 2019-07 |
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