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UM1431 - Micropower Linear Regulator

Datasheet Summary

Description

The UM1431/1441 series are high input voltage low quiescent current regulators implemented in CMOS technology.

It can accept input voltage as high as 30V with 100mA output current limit.

The output voltages are selectable in 100mV steps within a range of 2.0V to 6.0V.

Features

  • z Input Voltage Range: 3.6V to 30V z 100mA Output Current Limit z ±3% Voltage Accuracy at 30mA z Low Dropout Voltage: 250mV (Typical) at 30mA z Low Quiescent Current: 5.8μA@VIN=30V (Typical) z Available Fixed Output Voltage from 2.0V to 6.0V with 0.1V Step z With Enable Control (UM1441S-xx, UM1441Y-xx) z Output Current Limit z UM1431: Low Profile SOT23-3, SOT23-5 and SOT89-3 Packages UM1441: Low Profile SOT23-5 and SOT89-5 Packages Typical.

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Datasheet Details

Part number UM1431
Manufacturer UniON Semiconductor
File Size 442.22 KB
Description Micropower Linear Regulator
Datasheet download datasheet UM1431 Datasheet
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Full PDF Text Transcription

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UM1431/1441 30V Input, 100mA Current Limit, Micropower Linear Regulator UM1431S-xx SOT23-3 UM1431S5-xx/UM1441S-xx SOT23-5 UM1431Y-xx/UM1431B-xx SOT89-3 UM1441Y-xx SOT89-5 General Description The UM1431/1441 series are high input voltage low quiescent current regulators implemented in CMOS technology. It can accept input voltage as high as 30V with 100mA output current limit. The output voltages are selectable in 100mV steps within a range of 2.0V to 6.0V. 100mA output current limiting is built in to provide protection for the regulators against fault conditions. CMOS technology ensures low voltage drop and low quiescent current. With a chip enable control pin, the UM1441 can turn off the output and greatly reduce the power consumption by setting the enable pin low.
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