Datasheet4U Logo Datasheet4U.com

LR1143 - 400mA ADJUSTABLE LDO REGULATOR

General Description

The UTC LR1143 is a CMOS-based 400mA voltage regulator with low supply current, low dropout, adjustable output voltage, The device offering high PSRR and low dropout.

The quiescent current is as low as 35μA, further prolonging the battery life.

Key Features

  • Wide operating voltage range : 3.0V~5.5V.
  • Adjustable output voltage.
  • Enable/shutdown control.
  • Low-noise for RF.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
LR1142 Alkaline manganese button batteries ETC
LR1148 600mA LOW DROPOUT LINEAR REGULATOR UNISONIC TECHNOLOGIES
LR1110 Low Power Wi-Fi/ GNSS Scanner +LoRa Transceiver SEMTECH
LR1117 LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS LRC
LR1117A 1A Adjustable/Fixed Low Dropout Linear Regulator LRC

Other Datasheets by Unisonic Technologies

Part Number Description
LR1142 500mA ADJUSTABLE LDO REGULATOR
LR1101 CMOS LDO REGULATOR
LR1102 LOW NOISE 150mA LDO REGULATOR
LR1106 LARGE CURRENT POSITIVE VOLTAGE REGULATORS
LR1107 600mA FAST ULTRA LOW DROPOUT LINEAR REGULATOR

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
UNISONIC TECHNOLOGIES CO., LTD LR1143 LINEAR INTEGRATED CIRCUIT HIGH PSRR, LOW DROPOUT, 400mA ADJUSTABLE LDO REGULATOR  DESCRIPTION The UTC LR1143 is a CMOS-based 400mA voltage regulator with low supply current, low dropout, adjustable output voltage, The device offering high PSRR and low dropout. The quiescent current is as low as 35μA, further prolonging the battery life. The UTC LR1143 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications, critical in handheld wireless devices. The UTC LR1143 consumes typical 0.7μA in shutdown mode. The other features include low dropout voltage, high output accuracy, current limit protection, and enable/shutdown control.  FEATURES * Wide operating voltage range : 3.0V~5.