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LR9273 - SUPER LOW ON RESISTANCE/LOW VOLTAGE 1A LDO REGULATOR

Description

The UTC LR9273 is a typical LDO (linear regulator) with

Features

  • Ultra Supply Current: 60µA (Typ. ).
  • Standby Mode: 0.1µA (Typ. ).
  • Very Low Dropout Voltage: 0.18V (Typ. ) @IOUT =1A, VOUT =2.85V.
  • Ripple Rejection: 70dB (Typ. ) @f=1kHz,VOUT=2.85V.
  • Temperature-Drift Coefficient ±100ppm/°C (Typ. ) of Output Voltage:.
  • Well Line Regulation: 0.02%/ V (Typ. ).
  • Output Voltage Accuracy: ±1.5% (Typ. ).
  • Internal Fold Back Protection 250mA (Typ. ) @ short mode Circuit:.
  • CIN=COUT=4.7µF or more (Ceramic capacitors) are.

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Datasheet preview – LR9273

Datasheet Details

Part number LR9273
Manufacturer UTC
File Size 281.94 KB
Description SUPER LOW ON RESISTANCE/LOW VOLTAGE 1A LDO REGULATOR
Datasheet download datasheet LR9273 Datasheet
Additional preview pages of the LR9273 datasheet.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD LR9273 Preliminary SUPER LOW ON RESISTANCE/LOW VOLTAGE 1A LDO REGULATOR  DESCRIPTION The UTC LR9273 is a typical LDO (linear regulator) with features of super low dropout, 1A output current capability, and -3mV typical load regulation at 1A. During operation of the UTC LR9273, 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 LR9273 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 LR9273.
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