Datasheet > UM37538P

UM37538P

更新时间： 2024-11-02 00:27:39

品牌	Logo	应用领域
英联电子 - UNIONSEMI		/
页数	文件大小	规格书
12页	416K
描述
300mA, Micropower, VLDO Linear Regulator

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UM37538P 数据手册

UM375xx

300mA, Micropower, VLDO Linear Regulator

UM375xxS SOT23-5

UM375xxP SOT353

General Description

The UM375xx series are VLDO (very low dropout) linear regulators designed for low power

portable applications. Typical output noise is only 170μV_RMS(UM37512) and maximum dropout is

just 200mV at the load current of 100mA.The internal P-channel MOSFET pass transistor requires

no base current, allowing the device to draw only 90μA during normal operation at the maximum

load current of 300mA.

Other features include high output voltage accuracy, under voltage lockout, stability with ultra low

ESR ceramic capacitors as small as 1μF, thermal overload protection and output current limiting.

The UM375xx series are available in a low profile SOT23-5 and SOT353 package.

Applications

Features



Input Voltage Range: 2.0V to 6.0V

Very Low Dropout: 200mV(Max) at 100mA



Bluetooth/802.11 Cards

PDAs and Notebook Computers

Portable Instruments and

Battery-Powered Systems

Cellular Phones



Low Noise:170μV_RMS(UM37512，10Hz to

100kHz)

±2% Voltage Accuracy at 150mA

Fixed Output Voltage:



1.2V to 5.0V with 100mV Interval

Output Current Limit

Stable with 1μF Output Capacitor

Thermal Overload Protection

Low Profile SOT23-5 and SOT353 Package



Pin Configurations

Top View

5XX

M: Month Code

UM375xxS

SOT23-5

________________________________________________________________________

http://www.union-ic.com Rev.06 Dec.2014 1/12

12 3 4 5 6 7...12

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