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UM37519S

Description
Regulator
CategoryPower/power management    The power supply circuit   
File Size258KB,12 Pages
ManufacturerUnion Semiconductor Limited
Websitehttp://www.union-ic.com/
Shanghai Yinglian Electronic Technology Co., Ltd. was established in 2001 and is a fabless integrated circuit design company. The company is committed to the research, development, design and sales of high-performance linear and mixed-signal integrated circuits, and its products are used in various electronic devices. The products of Shanghai Yinglian Electronic Technology Co., Ltd. bridge the analog world and the digital world by detecting, measuring, amplifying, converting power and providing circuit protection.
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UM37519S Overview

Regulator

UM37519S Parametric

Parameter NameAttribute value
package instruction,
Reach Compliance Codeunknown
Base Number Matches1

UM37519S Preview

Download Datasheet
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 100μV
RMS
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
Bluetooth/802.11 Cards
PDAs and Notebook Computers
Portable Instruments and
Battery-Powered Systems
Cellular Phones
Features
Very Low Dropout: 200mV(max) at 100mA
Maximum Input Voltage: 6.0V
Low Noise:100μV
RMS
(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
UM375xxS
M: Month Code
SOT23-5
________________________________________________________________________
http://www.union-ic.com Rev.04 Apr.2012
1/12
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