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UM1431B-37 Datasheet(PDF) 1 Page - Union Semiconductor, Inc. |
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UM1431B-37 Datasheet(HTML) 1 Page - Union Semiconductor, Inc. |
1 / 19 page ________________________________________________________________________ http://www.union-ic.com Rev.01 Apr.2016 1/19 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. The UM1431 is available in SOT23-3, SOT23-5 and SOT89-3 packages. The UM1441 is available in SOT23-5 and SOT89-5 packages. Applications Features Communication Equipment Audio/Video Equipment Industrial Control Infotainment Input Voltage Range: 3.6V to 30V 100mA Output Current Limit ±3% Voltage Accuracy at 30mA Low Dropout Voltage: 250mV (Typical) at 30mA Low Quiescent Current: 5.8μA@VIN=30V (Typical) Available Fixed Output Voltage from 2.0V to 6.0V with 0.1V Step With Enable Control (UM1441S-xx, UM1441Y-xx) Output Current Limit UM1431: Low Profile SOT23-3, SOT23-5 and SOT89-3 Packages UM1441: Low Profile SOT23-5 and SOT89-5 Packages Typical Application Circuit VIN VOUT GND UM1431 VIN VOUT 1µF 10µF VIN VOUT GND EN UM1441 VIN VOUT Chip Enable 1µF 10µF |
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