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UM3730 Datasheet

Part Number UM3730
Manufacturers Union Semiconductor
Logo Union Semiconductor
Description Low Dropout Linear Regulator
Datasheet UM3730 DatasheetUM3730 Datasheet (PDF)

UM3730 150mA, Micropower, Low Dropout Linear Regulator UM3730DA-xx DFN4 1.0×1.0 UM3730P-xx SOT353 General Description The UM3730 series are low dropout linear regulators designed for low power portable applications. Typical output noise is only 220μVRMS and typical dropout voltage is 155mV at the load current of 150mA. Ideal for battery powered applications, the UM3730 draws only 29μA current during no load operation. The UM3730 includes an auto-discharge feature that is activated when the ena.

  UM3730   UM3730






Low Dropout Linear Regulator

UM3730 150mA, Micropower, Low Dropout Linear Regulator UM3730DA-xx DFN4 1.0×1.0 UM3730P-xx SOT353 General Description The UM3730 series are low dropout linear regulators designed for low power portable applications. Typical output noise is only 220μVRMS and typical dropout voltage is 155mV at the load current of 150mA. Ideal for battery powered applications, the UM3730 draws only 29μA current during no load operation. The UM3730 includes an auto-discharge feature that is activated when the enable pin is low. Other features include 2% output voltage accuracy, excellent transient response, stability with ultra low ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting. The UM3730 series are available in low profile DFN4 1.0×1.0 and SOT353 packages. Applications Features z Digital Camera z Input Voltage Range: 2.5V to 5.5V z PDAs and Notebook Computers z Guaranteed 150mA Output Current z Portable Instruments and Battery-Powered z ±2% Voltage Accuracy at 150mA Systems z Low Dropout Voltage: z Cellular Phones 155mV (Typical) at 150mA z Low Quiescent Current: 29μA (Typical) z Low Noise: 220μVRMS (10Hz to 100kHz) z Available Fixed Output Voltage from 1.0V to 3.3V with 0.1V Step z Output Current Limit z Thermal Overload Protection z Stable with 1μF Output Capacitor z Low Profile DFN4 1.0×1.0 and SOT353 Packages Typical Application Circuit ________________________________________________________________________ http://www.


2019-01-14 : ETA9740    UM5404    UM5304EECF    UM5304EEBF    UM5304EEAF    UM5204    UM5204EECF    UM5204EEBF    UM5204EEAF    UM5202EEDF   


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