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UM1430B-28 Datasheet(PDF) 1 Page - Union Semiconductor, Inc. |
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UM1430B-28 Datasheet(HTML) 1 Page - Union Semiconductor, Inc. |
1 / 19 page ________________________________________________________________________ http://www.union-ic.com Rev.03 Mar.2016 1/19 UM1430/1440 18V Input, 100mA Current Limited, Micropower Linear Regulator UM1430S-xx SOT23-3 UM1430S5-xx/UM1440S-xx SOT23-5 UM1430Y-xx/UM1430B-xx SOT89-3 UM1440Y-xx SOT89-5 General Description The UM1430/1440 series are high input voltage low quiescent current regulators implemented in CMOS technology. It can accept input voltage as high as 18V with 100mA output current limit. The output voltages are selectable in 100mV step 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 UM1440 can turn off the output and greatly reduce the power consumption by setting the enable pin low. The UM1430 is available in SOT23-3, SOT23-5 and SOT89-3 packages. The UM1440 is available in SOT23-5 and SOT89-5 packages. Applications Features Communication Equipment Audio/Video Equipment Input Voltage Range: 3.6V to 18V 30mA Guaranteed Output Current ±3% Voltage Accuracy at 30mA Low Dropout Voltage: 250mV (Typical) at 30mA Low Quiescent Current: 4.8μA@VIN=18V (Typical) Available Fixed Output Voltage from 2.0V to 6.0V with 0.1V Step With Enable Control (UM1440S-xx, UM1440Y-xx) Output Current Limit UM1430: Low Profile SOT23-3, SOT23-5 and SOT89-3 Packages UM1440: Low Profile SOT23-5 and SOT89-5 Packages Typical Application Circuit VIN VOUT GND UM1430 VIN VOUT 1µF 10µF VIN VOUT GND EN UM1440 VIN VOUT Chip Enable 1µF 10µF |
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