PMP8372: ±5V @ 1A, 7 ~ 40V in

Summary

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.

Specifications

Manufacturer Texas Instruments
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Multi Output
Eval Board Part Number 1512-1008-ND
Eval Board Supplier American P.C.B Company
Eval Board -
Topology Step Down
Outputs and Type 2 Non-Isolated
Output Voltage: Factory Set ±5 V
Current Out 1 A
Voltage In 7 ~ 40 V
Efficiency @ Conditions >70%, 24 Vin, 5 V @ 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 uA
Quiescent Current [Typical] - Not Given
Component Count + Extras 39 + 24
Internal Switch Yes
Design Author Texas Instruments
Application / Target Market Auxiliary Power Supply
Hi Fi Audio
Industrial Power
Motor Control
Standby Current [Maximum] 4 µA
Main I.C. Base Part TPS84250
TPS84259
Quiescent Current [Maximum] - Not Given

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