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MIC5225: DescriptionUltra-Low Quiescent Current 150mA Î¼Cap Low Dropout Regulator; File Size212KB，9 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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MIC5225 Overview

Ultra-Low Quiescent Current 150mA Î¼Cap Low Dropout Regulator

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MIC5225

Ultra-Low Quiescent Current

150mA µCap Low Dropout Regulator

General Description

The MIC5225 is a 150mA highly accurate, low dropout

regulator with high input voltage and ultra-low ground

current. This combination of high voltage and low ground

current makes the MIC5225 ideal for a wide variety of

applications including USB and portable electronics

applications, using 1-cell, 2-cell or 3-cell Li-Ion battery

inputs.

A µCap LDO design, the MIC5225 is stable with either a

ceramic or tantalum output capacitor. It only requires a

2.2µF capacitor for stability.

Features of the MIC5225 includes enable input, thermal

shutdown, current limit, reverse battery protection, and

reverse leakage protection.

Available in fixed and adjustable output voltage versions,

the MIC5225 is offered in the IttyBitty

SOT23-5 package

with a junction temperature range of –40°C to +125°C.

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

Features

•

Wide input voltage range: 2.3V to 16V

High output accuracy of ±2.0% over temperature

Guaranteed 150mA output

Very low ground current: 29µA

Low dropout voltage of 310mV at 150mA

µCap: Stable with ceramic or tantalum capacitors

Excellent line and load regulation specifications

Reverse battery protection

Reverse leakage protection

Zero shutdown current

Thermal shutdown and current limit protection

IttyBitty

SOT23-5 Package

Applications

•

Cellular phones

•

Keep alive supply in notebook and portable computers

•

Battery-powered equipment

•

Consumer/personal electronics

•

High-efficiency linear power supplies

•

Automotive electronics

_______________________________________________________________________________________________________

Typical Application

MIC5225YM5

= 1.0µF

OFF ON

OUT

= 1.8V

OUT

= 2.2µF

ceramic

GND

= 18µA

Ground Pin Current

vs. Input Voltage

OUT

= 1mA

OUT

= 100µA

OUT

= 10µA

Ultra-Low Current Adjustable Regulator Application

10 12 14

INPUT VOLTAGE (V)

IttyBitty is a registered trademark of Micrel, 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

July 2008

M9999-072908-A

MIC5225 Related Products

	MIC5225	MIC5225-1.5YM5	MIC5225-1.8YM5	MIC5225-2.5YM5	MIC5225-2.7YM5	MIC5225-3.0YM5	MIC5225-5.0YM5	MIC5225YM5
Description	Ultra-Low Quiescent Current 150mA Î¼Cap Low Dropout Regulator	Ultra-Low Quiescent Current 150mA Î¼Cap Low Dropout Regulator	Ultra-Low Quiescent Current 150mA Î¼Cap Low Dropout Regulator	Ultra-Low Quiescent Current 150mA Î¼Cap Low Dropout Regulator	2.7V FIXED POSITIVE LDO REGULATOR, 0.45V DROPOUT, PDSO5	Ultra-Low Quiescent Current 150mA Î¼Cap Low Dropout Regulator	Ultra-Low Quiescent Current 150mA Î¼Cap Low Dropout Regulator	Ultra-Low Quiescent Current 150mA Î¼Cap Low Dropout Regulator
Is it Rohs certified?	-	conform to	conform to	conform to	-	-	conform to	conform to
Maker	-	Microchip	Microchip	Microchip	-	-	Microchip	Microchip
package instruction	-	SOT-23, 5 PIN	SOT-23, 5 PIN	SOT-23, 5 PIN	-	-	SOT-23, 5 PIN	SOT-23, 5 PIN
Reach Compliance Code	-	compli	compli	compli	-	-	compli	compliant
ECCN code	-	EAR99	EAR99	EAR99	-	-	EAR99	EAR99
Adjustability	-	FIXED	FIXED	FIXED	-	-	FIXED	ADJUSTABLE
Maximum drop-back voltage 1	-	0.45 V	0.45 V	0.45 V	-	-	0.45 V	0.45 V
Nominal dropback voltage 1	-	0.31 V	0.31 V	0.31 V	-	-	0.31 V	0.31 V
JESD-30 code	-	R-PDSO-G5	R-PDSO-G5	R-PDSO-G5	-	-	R-PDSO-G5	R-PDSO-G5
length	-	2.9 mm	2.9 mm	2.9 mm	-	-	2.9 mm	2.9 mm
Number of functions	-	1	1	1	-	-	1	1
Output times	-	1	1	1	-	-	1	1
Number of terminals	-	5	5	5	-	-	5	5
Working temperatureTJ-Max	-	125 °C	125 °C	125 °C	-	-	125 °C	125 °C
Maximum output current 1	-	0.15 A	0.15 A	0.15 A	-	-	0.15 A	0.15 A
Maximum output voltage 1	-	1.53 V	1.836 V	2.55 V	-	-	5.1 V	14 V
Minimum output voltage 1	-	1.47 V	1.764 V	2.45 V	-	-	4.9 V	1.24 V
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	-	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	LSSOP	LSSOP	LSSOP	-	-	LSSOP	LSSOP
Encapsulate equivalent code	-	TSOP5/6,.11,37	TSOP5/6,.11,37	TSOP5/6,.11,37	-	-	TSOP5/6,.11,37	TSOP5/6,.11,37
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	-	RECTANGULAR	RECTANGULAR
Package form	-	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	-	-	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
method of packing	-	TUBE	TUBE	TUBE	-	-	TUBE	TUBE
Certification status	-	Not Qualified	Not Qualified	Not Qualified	-	-	Not Qualified	Not Qualified
Regulator type	-	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	-	-	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	-	1.45 mm	1.45 mm	1.45 mm	-	-	1.45 mm	1.45 mm
surface mount	-	YES	YES	YES	-	-	YES	YES
technology	-	CMOS	CMOS	CMOS	-	-	CMOS	CMOS
Terminal form	-	GULL WING	GULL WING	GULL WING	-	-	GULL WING	GULL WING
Terminal pitch	-	0.95 mm	0.95 mm	0.95 mm	-	-	0.95 mm	0.95 mm
Terminal location	-	DUAL	DUAL	DUAL	-	-	DUAL	DUAL
width	-	1.6 mm	1.6 mm	1.6 mm	-	-	1.6 mm	1.6 mm

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