UM37512P datasheet, PDF - EEWORLD Datasheet

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UM37512P: DescriptionRegulator; 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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UM37512P Overview

Regulator

UM37512P Parametric

Parameter Name	Attribute value
package instruction	,
Reach Compliance Code	unknown
Base Number Matches	1

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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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