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LP38858 Datasheet 1.5a Fast-response High-accuracy Ldo Linear Regulator

Manufacturer: Texas Instruments

Overview: LP38858 www.ti.com SNVS462D – OCTOBER 2006 – REVISED APRIL 2013 1.

General Description

The LP38858 is a high current, fast response regulator which can maintain output voltage regulation with extremely low input to output voltage drop.

Fabricated on a CMOS process, the device operates from two input voltages: VBIAS provides voltage to drive the gate of the N-MOS power transistor, while VIN is the input voltage which supplies power to the load.

The use of an external bias rail allows the part to operate from ultra low VIN voltages.

Key Features

  • 1.
  • 2 Standard VOUT Values of 0.8V and 1.2V.
  • Wide VBIAS Supply Operating Range of 3.0V to 5.5V.
  • Stable with 10µF Ceramic Capacitors.
  • Dropout Voltage of 130 mV (Typical) at 1.5A Load Current.
  • Precision Output Voltage across All Line and Load Conditions:.
  • ±1.0% VOUT for TJ = 25°C.
  • ±2.0% VOUT for 0°C ≤ TJ ≤ +125°C.
  • ±3.0% VOUT for -40°C ≤ TJ ≤ +125°C.
  • Over-Temperature and Over-Current Protection.
  • Available in 5 L.

More Datasheets from Texas Instruments

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