The PMP8372 design is optimized for small size and uses the TPS84250 step-down power module on the top- side with the TPS84259 negative output power module on the bottom-side to implement both positive and negative output voltages from a 12V/24V source. The output voltages can be adjusted from +/-3V to +/-15V with resistor changes.
The design is capable of 1-A outputs. The positive-input TPS7A4700 LDO and negative-input TPS7A3301 LDO are included for a low noise, high PSRR solution that is ideal for powering bipolar amplifiers, data converters, or other noise-sensitive analog circuitry.
| Manufacturer | Texas Instruments |
|---|---|
| Category | AC/DC and DC/DC Conversion |
| Sub-Category | DC/DC SMPS - Multi Output |
| Eval Board |
Board not Stocked
|
| Topology |
Step Down
|
| Outputs and Type |
2 Non-Isolated
|
| Voltage Out: Highest Current First |
±5V
|
| Current Out |
1A per Channel
|
| Voltage In |
7 ~ 40 V
|
| Efficiency @ Conditions |
>70%, 24V in, 5V @ 0.19 ~ 1 A
|
| Voltage Out Range |
±3 ~ ±15 V
|
| Features |
Current Limit (Adj. or Fixed)
Over Current Protection Synchronizable Thermal Protection Under Voltage Protection, Brown-Out |
| Switching Frequency |
800 kHz
|
| Standby Current [Typical] |
1.3 µA
|
| Quiescent Current [Typical] |
- Not Given
|
| Component Count + Extras |
39 + 24
|
| Internal Switch |
Yes
|
| Design Author |
Texas Instruments
|
| Application / Target Market |
Audio: Hi Fi
Motor Control Power: Auxiliary Power Supply Power: Industrial Power |
| Standby Current [Maximum] |
4 µA
|
| Quiescent Current [Maximum] |
- Not Given
|
| Main I.C. Base Part |
TPS84250
TPS84259 |
| Date Created By Author | 2012-08 |
| Date Added To Library | 2014-11 |
Singapore
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