Datasheet > MIC5239-1.8YMTR

MIC5239-1.8YMTR

更新时间： 2024-11-05 20:03:03

品牌	Logo	应用领域
麦瑞 - MICREL		光电二极管输出元件调节器
页数	文件大小	规格书
12页	567K
描述
1.8V FIXED POSITIVE LDO REGULATOR, 0.4V DROPOUT, PDSO8, LEAD FREE, SOIC-8

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MIC5239-1.8YMTR 数据手册

MIC5239

Micrel, Inc.

MIC5239

Low Quiescent Current 500mA

µCap LDO Regulator

General Description

Features

The MIC5239 is a low quiescent current, µCap low-dropout

regulator. With a maximum operating input voltage of 30V

andaquiescentcurrentof23µA, itisidealforsupplyingkeep-

alive power in systems with high voltage batteries.

• Ultra-low quiescent current (I = 23µA @I = 100µA)

• Continuous 500mA output current

• Wide input range: 2.3V to 30V

• Low dropout voltage:

350mV @500mA

Capable of 500mA output, the MIC5239 has a dropout

voltage of only 350mV. It can provide high output current for

applications such as USB.

• ±1.0% initial output accuracy

• Stable with ceramic or tantalum output capacitor

• Logic compatible enable input

As a µCap LDO, the MIC5239 is stable with either a ceramic

or a tantalum output capacitor. It only requires a 3.3µF output

capacitor for stability.

• Low output voltage error flag indicator

• Overcurrent protection

• Thermal shutdown

TheMIC5239includesalogiccompatibleenableinputandan

undervoltage error flag indicator. Other features of the

MIC5239 include thermal shutdown, current limit, overvolt-

age shutdown, reverse-leakage protection, and reverse-

battery protection.

• Reverse-leakage protection

• Reverse-battery protection

• High-power SOIC-8, MSOP-8 and SOT-223 packages

Applications

Available in the thermally enhanced SOIC-8, MSOP-8 and

SOT-223, the MIC5239 comes in fixed 1.5V, 1.8V, 2.5V,

3.0V, 3.3V and 5.0V, and adjustable voltages. For other

output voltages, contact Micrel.

• USB power supply

• Keep-alive supply in notebook and portable personal

computers

• Logic supply from high voltage batteries

• Automotive electronics

All support documentation can be found on Micrel’s web

site at www.micrel.com.

• Battery-powered systems

Typical Application

MIC5239

I_OUT= 1mA

V_IN

V_OUT

OUT

I_OUT= 100µA

30V

3.0V/100µA

I_GND= 23µA

FLG

GND

I_OUT= 10µA

Regulator with Low I and Low I

INPUT VOLTAGE (V)

Ground Current vs. Input Voltage

Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-060305

June 2005

12 3 4 5 6 7...12

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与MIC5239-1.8YMTR相关器件

型号	品牌	获取价格	描述	数据表
MIC5239-1.8YS	MICREL	获取价格	Low Quiescent Current 500mA Î¼Cap LDO Regulat
MIC5239-1.8YS	MICROCHIP	获取价格	1.8V FIXED POSITIVE LDO REGULATOR, 0.4V DROPOUT, PDSO4
MIC5239-1.8YS	ROCHESTER	获取价格	1.8V FIXED POSITIVE LDO REGULATOR, 0.4V DROPOUT, PDSO4, LEAD FREE, SOT-223, 4 PIN
MIC5239-1.8YSTR	MICREL	获取价格	暂无描述
MIC5239-1.8YS-TR	MICROCHIP	获取价格	1.8V FIXED POSITIVE LDO REGULATOR, 0.4V DROPOUT, PDSO4
MIC5239-2.5BM	MICREL	获取价格	Low Quiescent Current 500mA Î¼Cap LDO Regulat
MIC5239-2.5BM	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 2.5V, 0.4V Dropout, BIPolar, PDSO8, SOIC-8
MIC5239-2.5BM	ROCHESTER	获取价格	2.5V FIXED POSITIVE LDO REGULATOR, 0.4V DROPOUT, PDSO8, SOIC-8
MIC5239-2.5BMM	MICREL	获取价格	Low Quiescent Current 500mA Î¼Cap LDO Regulat
MIC5239-2.5BMM	MICROCHIP	获取价格	Fixed Positive LDO Regulator, 2.5V, 0.4V Dropout, BIPolar, PDSO8, MSOP-8

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