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TPP00031

100-V Input, 300-mA Synchronous Step-Down Voltage Regulator

Overview

The TPP00031/2 is a 300-mA output, synchronous, stepdown, switching converter with internal power MOSFETs.

The TPP00031/2 series integrates power transistors with internal soft-start, compensation, and protection features. The constant on-time control scheme helps to improve fast transient response without the need of a compensation network. The TPP00031/2 offers a very compact solution to achieve a 300-mA continuous output current over a wide input supply range, with excellent load and line regulation.

The device has an internal low-voltage internal regulator voltage with minimal supply voltage as low as 4.5 V. The internal regulator voltage can be supplied with output voltage via a diode path to further improve efficiency.

The TPP00031/2 series has different light load configurations supporting both forced-PWM mode (TPP00031) for fixed switching frequency and pulse-skip mode (TPP00032) to save quiescent current.

The device is available in the 8-pin ESOP8, DFN4X4-8, and DFN3X3-8 packages with the support of a wide operation ambient temperature range from −40 °C to 125 °C.


  • Status

    Production

  • Rating

    Industrial

  • VIN (V)

    4.5~100

  • Output (V)

    1.225~100

  • Max Output Current (A)

    300m

  • Control Mode

    Constant On Time

  • Switching Frequency (kHz)

    1000

  • Feature

    FPWM

  • Temperature Range (℃)

    -40 to +125

  • Package

    ESOP8

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