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Home > Embedded ICs > Embedded - Microcontroller Unit (MCU) > TPS7A1901DRBR
Texas Instruments

TPS7A1901DRBR

TPS7A1901DRBR

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TPS7A1901DRBR Overview

The TPS7A19 is a low-dropout linear regulator (LDO) with a wide input voltage (VIN) range up to 40 V, capable of sourcing high output current (IOUT) up to 450 mA. This voltage regulator is ideal for generating a low-voltage supply from wide input-voltage rails. Not only does the TPS7A19 supply a well-regulated voltage rail, but the device also withstands and maintains regulation during voltage transients by acting as a simple surge protection circuit.

The TPS7A19 consumes only 15 μA of quiescent current (IQ) at light loads, thereby lowering the power consumption for always-on or battery-powered applications.

The TPS7A19 features integrated thermal shutdown and overcurrent protection. The TPS7A19 also offers a power good output (PG) with a programmable delay that indicates when the output voltage is in regulation. This feature is useful for power-rail sequencing functions.

This LDO is available in a small, 3-mm × 3-mm, thermally-enhanced, 8-pin SON package.

Features

  • Wide Input Voltage Range: 4 V to 40 V
  • Adjustable Output Voltage: 1.5 V to 18 V
  • Output Current: 450 mA
  • Low Quiescent Current (IQ): 15 μA
  • Low Dropout Voltage: 450 mV (max) at 400 mA
  • Power Good with Programmable Delay
  • Thermal Shutdown and Overcurrent Protection
  • Stable with Ceramic Output Capacitors:
    • 10 μF to 500 μF for VOUT ≥ 2.5 V
    • 22 μF to 500 μF for VOUT < 2.5 V
  • Operating Temperature: –40°C to +125°C
  • Package: 3-mm × 3-mm SON-8

Specifications

Circuit Diagram

TPS7A1901DRBR

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