The TPS40200EVM-001 evaluation module (EVM) uses the TPS40200 nonsynchronous buck converter to provide a resistor-selected 3.3-V output voltage that delivers up to 2.5 A from a 12-V input bus. The EVM operates from a single supply and uses a single P-channel power FET and Schottky diode to produce a low-cost buck converter. The part operates at a 300-kHz clock frequency with provision for external frequency synchronization.
TPS40200EVM-001 is designed to operate with an 8-V to 16-V input and to produce a regulated 3.3-V output with a load current from 0.125 A to 2.5 A. The TPS40200EVM-001 demonstrates the use of the TPS40200 in a typical buck converter application.
The board sacrifices some packing density to provide sample test points for module evaluation. This EVM can be modified to support output voltages from 0.7 V to 5 V by changing a single feedback resistor. The TPS40200EVM-001 has been built to the sample application as described in the Application Information section of the TPS40200 data sheet (SLUS659).
| Manufacturer | Texas Instruments |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | DC/DC SMPS - Single Output |
| Eval Board Part Number | 296-19607-ND |
| Eval Board Supplier | Texas Instruments |
| Eval Board |
Board not Stocked
|
| Topology |
Step Down
|
| Outputs and Type |
1 Non-Isolated
|
| Voltage Out: Factory Set |
3.3 V
|
| Current Out |
2.5 A
|
| Voltage In |
8 ~ 16 V
|
| Efficiency @ Conditions |
>90%, 8V in, 3.3V @ 0.3 ~ 1.5 A
>86%, 12V in, 3.3V @ 0.4 ~ 2.5 A |
| Voltage Out Range | |
| Features |
Over Current Protection
Short Circuit Protection Soft Start Synchronizable |
| Switching Frequency |
300 kHz
|
| Standby Current [Typical] | |
| Quiescent Current [Typical] |
1.5 mA
|
| Component Count + Extras |
30 + 20
|
| Internal Switch |
No
|
| Design Author |
Texas Instruments
|
| Application / Target Market |
Computers
Point of Load (PoL) Telecom |
| Standby Current [Maximum] | |
| Quiescent Current [Maximum] |
3 mA
|
| Main I.C. Base Part |
TPS40200D
|
| Date Created By Author | |
| Date Added To Library | 2011-03 |
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