Datasheet > UM17533

UM17533

更新时间： 2024-10-16 00:52:15

品牌	Logo	应用领域
英联电子 - UNIONSEMI		/
页数	文件大小	规格书
7页	271K
描述
300mA, Micropower, VLDO Linear Regulator

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UM17533 数据手册

UM175XX

300mA, Micropower, VLDO Linear Regulator

UM175XX SOT23-5

General Description

The UM175XX series are VLDO (very low dropout) linear regulators designed for low power

portable applications. Typical output noise is only 75μV_RMSand maximum dropout is just 90mV

at the load current of 150mA.The internal P-channel MOSFET pass transistor requires no base

current, allowing the device to draw only 100μA during normal operation at the maximum load

current of 300mA.

Other features include high output voltage accuracy, excellent transient response, under voltage

lockout, stability with ultralow ESR ceramic capacitors as small as 1μF, reverse-battery protection,

short-circuit and thermal overload protection and output current limiting.

The UM175XX series are available in a low profile SOT23-5 package.

Applications

Features

Very Low Dropout: 90mV(max) at 150mA

Maximum Input Voltage: 6.0V

Bluetooth/802.11 Cards

PDAs and Notebook Computers

Portable Instruments and

Battery-Powered Systems

Cellular Phones

Low Noise:75μV_RMS(10Hz to 100kHz)

±2%Voltage Accuracy at 150mA

Fast Transient Response

Under Voltage Lockout

Fixed Output Voltage:

3.3V/3.0V/2.8V/2.7V/2.5V/1.8V/1.5V/1.3V/

1.2V

Output Current Limit

Reverse-Battery Protection

No Protection Diodes Needed

Stable with 1μF Output Capacitor

Short-Circuit and Thermal Overload

Protection

Low Profile SOT23-5 Package

Pin Configurations

Top View

UM175XX

M: Monthly Code

SOT23-5

________________________________________________________________________

http://www.union-ic.com Rev.04 Feb.2012 1/7

12 3 4 5 6 7

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