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TPS5430 Buck Regulator
TPS5430
Texas Instrumentspower regulator
The TPS5430 is a 3A buck regulator with an integrated high-side MOSFET, designed for wide input voltage ranges and adjustable output voltages down to 1.22V.
In stock
Specifications
8- Operating Voltage
- 5.5V to 36V (TPS5430); 5.5V to 23V (TPS5431)
- Supply Current
- VIN quiescent current: 2-4.4mA; Shutdown supply current: 15-50μA
- Interface
- PWM, I2C (SDA/SCL), SPI (SCK/MOSI/MISO/CS), UART (TX/RX)
- Resolution
- 1.5% initial accuracy
- Range
- Output voltage: adjustable down to 1.22V
- Accuracy
- 1.5% initial accuracy
- Temperature Range
- -40°C to 125°C
- Package
- 8-pin SOIC PowerPAD™
Pinout
7| Pin | Name | Functions | Notes |
|---|---|---|---|
| BOOT | Boost capacitor for the high-side FET gate driver | GND | Connect 0.01μF low ESR capacitor from BOOT pin to PH pin. |
| NC | Not connected internally | — | |
| VSENSE | Feedback voltage for the regulator | GND | Connect to output voltage divider. |
| ENA | On and off control | GPIO | Below 0.5V, the device stops switching; above 1.3V, the device starts switching. ENA can be left floating. |
| GND | Ground | GND | |
| VIN | Input supply voltage | POWER | Bypass VIN pin to GND pin close to device package with a high quality, low ESR ceramic capacitor. |
| PH | Source of the high side power MOSFET | GPIO | Connected to external inductor and diode. |
Interactive pinout
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TPS5430
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