MIC5312

更新时间： 2024-11-01 21:54:11

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
11页	401K
描述
LowQ Mode Dual 300mA LDO with Integrated POR

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MIC5312 数据手册

MIC5312

LowQ™ Mode Dual 300mA LDO

with Integrated POR

General Description

Features

• Input voltage range: 2.5V to 5.5V

• LowQ™ Mode

The MIC5312 is a high performance, dual µCap low

dropout regulator with integrated power-on reset

supervisor, offering ultra-low operating current and a

second, even lower operating current mode, LowQ™

mode, reducing operating current by 75%. Each

regulator can source up to 300mA of output current

maximum.

7µA total quiescent current

10mA output current capable LowQ™ mode

Logic level control with external pin

• Stable with ceramic output capacitor

• 2 LDO Outputs – 300mA each

• Integrated Power-on Reset (POR) with adjustable

Ideal for battery operated applications, the MIC5312

offers 1% accuracy, extremely low dropout voltage

(60mV @ 150mA), and low ground current (typically

28µA total). When put into LowQ™ mode, the internal

current draw drops down to 7µA total. The MIC5312

also comes equipped with a TTL logic compatible

enable pin that allows the part to be put into a zero-off-

mode current state, drawing no current when disabled.

delay time

• Tiny 3mm x 3mm MLF™-10 package

• Low dropout voltage of 60mV @ 150mA

• Ultra-low quiescent current of 28µA total in Full

Current Mode

• High output accuracy

±1.0% initial accuracy

±2.0% over temperature

The Power-on Reset is active low and indicates an

output undervoltage condition on either regulator 1 or 2

when the regulator is enabled.

• Thermal Shutdown Protection

• Current Limit Protection

The MIC5312 is a µCap design, operating with very

small ceramic output capacitors for stability, reducing

required board space and component cost.

Applications

• Cellular/PCS phones

• Wireless modems

• PDAs

The MIC5312 is available in fixed output voltages in the

3mm x 3mm MLF-10 leadless package. Data sheets

and support documentation can be found on Micrel’s

web site at www.micrel.com.

• MP3 Players

Typical Application

V_IN

V_OUT1

V_CORE

V_I/O

V_OUT2

POR

EN1

EN2

Baseband

µProcessor

LOWQ

BYP

SET

GND

MIC5312-xxBML

MLF and MicroLeadFrame are trademarks of Amkor Technology, Inc.

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

M9999-021105

(408) 955-1690

February 2005

12 3 4 5 6 7...11

中文翻译

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与MIC5312相关器件

型号	品牌	获取价格	描述	数据表
MIC5312-1.8/2.8BML	MICROCHIP	获取价格	DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, DSO10
MIC5312-1.85/2.6BML	MICROCHIP	获取价格	DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, DSO10
MIC5312-DKBML	MICREL	获取价格	LowQ Mode Dual 300mA LDO with Integrated POR
MIC5312-DKBMLTR	MICREL	获取价格	Fixed Positive LDO Regulator, 2 Output, 1.85V1, 2.6V2, PDSO10, 3 X 3 MM, MLF-10
MIC5312-DKYML-TR	MICROCHIP	获取价格	IC REG LDO 1.85V/2.6V 0.3A 10MLF
MIC5312-GMBML	MICREL	获取价格	LowQ Mode Dual 300mA LDO with Integrated POR
MIC5312-GMYML-TR	MICROCHIP	获取价格	IC REG LDO 1.8V/2.8V 0.3A 10MLF
MIC5312-MMYML-TR	MICROCHIP	获取价格	IC REG LDO 2.8V 0.3A 10MLF
MIC5312-NNYML-TR	MICROCHIP	获取价格	IC REG LDO 2.85V 0.3A 10MLF
MIC5313	MICREL	获取价格	Low Voltage Dual 300mA LDO

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