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LR9101 - LOW NOISE 300mA LDO REGULATOR

General Description

The UTC LR9101 is a typical LDO (linear regulator) with the

Key Features

  • Supply Current: 25µA (Typ. ).
  • Standby Mode: 0.1µA (Typ. ).
  • Ripple Rejection: 70dB (Typ. ) @ f=1kHz,VOUT=2.5V.
  • Well Line Regulation: 0.02%/ V (Typ. ).
  • CIN=COUT=1µF or more (Ceramic capacitors) are recommended to be used with this IC.

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UNISONIC TECHNOLOGIES CO., LTD LR9101 LOW NOISE 300mA LDO REGULATOR  DESCRIPTION The UTC LR9101 is a typical LDO (linear regulator) with the features of high output voltage accuracy, low supply current, low ON-resistance, and high ripple rejection. During operation of the UTC LR9101, the dropout voltage is very low and the response of line transient and load transient are very well. Internally, there’re many functions of UTC LR9101 which can be seen in the block figure. There are a voltage reference unit, an error amplifier, resistor-net for voltage setting, a current limit circuit, and a chip enable circuit in each UTC LR9101.