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MIC5303: DescriptionSingle 300mA CMOS Ultra Small ULDO; File Size350KB，8 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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MIC5303 Overview

Single 300mA CMOS Ultra Small ULDO

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MIC5303

Single 300mA CMOS

Ultra Small ULDO™

General Description

The MIC5303 is an ultra small, Ultra Low Dropout CMOS

regulator, ULDO™ that is ideal for today’s most demand-

ing portable applications including cellular phone RF

power, camera modules, imaging sensors for digital still

and video cameras, PDAs, portable media players (PMP)

and PC cameras where board space is limited. It offers

extremely low dropout voltage, very low output noise and

can operate from a 2.3V to 5.5V input while delivering up

to 300mA.

It offers 2% initial accuracy, low ground current (typically

85µA total), thermal and current limit protection. The

MIC5303 can also be put into a zero-off-mode current

state, drawing no current when disabled.

The MIC5303 is available in the ultra small 4-pin 1.2mm x

1.6mm Thin MLF

package, occupying only 1.92mm

PCB area, a 50% reduction in board area compared to

SC-70 and 2mm x 2mm MLF

packages. It’s operating

junction temperature range is –40°C to +125°C and is

available in fixed output voltages in lead-free (RoHS

compliant) Thin MLF

package.

Data sheets and support documentation can be found on

Micrel’s web site at www.micrel.com.

Features

•

Ultra Small 1.2mm x 1.6mm Thin MLF

package

Low Dropout Voltage: 100mV at 300mA

Output noise 120µVrms

Input voltage range: 2.3V to 5.5V

300mA guaranteed output current

Stable with ceramic output capacitors

Low quiescent current 85µA total

35µs turn-on time

High output accuracy

– ±2% initial accuracy

– ±3% over temperature

•

Thermal shutdown and current limit protection

Applications

•

Mobile Phones

PDAs

GPS Receivers

Portable Media Players

Portable Electronics

Digital Still & Video Cameras

Typical Application

MIC5303-x.xYMT

150

VIN

VOUT

Dropout Voltage

vs. Output Current

125

100

1µF

GND

1µF

OUT

= 2.8V

OUT

= 1µF

50 100 150 200 250 300

OUTPUT CURRENT (mA)

RF LDO Application

ULDO is a trademark of Micrel, Inc.

MLF and

MicroLeadFrame

are registered 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

October 2006

M9999-102506-B

MIC5303 Related Products

	MIC5303	MIC5303-1.5YMT	MIC5303-1.8YMT	MIC5303-2.1YMT	MIC5303-3.8YMT	MIC5303-3.3YMT	MIC5303-3.0YMT	MIC5303-2.9YMT	MIC5303-2.85YMT
Description	Single 300mA CMOS Ultra Small ULDO	Single 300mA CMOS Ultra Small ULDO	Single 300mA CMOS Ultra Small ULDO	Single 300mA CMOS Ultra Small ULDO	Single 300mA CMOS Ultra Small ULDO	Single 300mA CMOS Ultra Small ULDO	Single 300mA CMOS Ultra Small ULDO	Single 300mA CMOS Ultra Small ULDO	Single 300mA CMOS Ultra Small ULDO
Is it Rohs certified?	-	conform to	conform to	conform to	-	conform to	conform to	conform to	conform to
Maker	-	Microchip	Microchip	-	-	Microchip	Microchip	Microchip	Microchip
package instruction	-	1.20 X 1.60 MM, ROHS COMPLIANT, MLF-4	1.20 X 1.60 MM, ROHS COMPLIANT, MLF-4	1.20 X 1.60 MM, ROHS COMPLIANT, MLF-4	-	1.20 X 1.60 MM, ROHS COMPLIANT, MLF-4	1.20 X 1.60 MM, ROHS COMPLIANT, MLF-4	1.20 X 1.60 MM, ROHS COMPLIANT, MLF-4	1.20 X 1.60 MM, ROHS COMPLIANT, MLF-4
Reach Compliance Code	-	compliant	compliant	compli	-	compli	compli	compli	compliant
ECCN code	-	EAR99	EAR99	EAR99	-	EAR99	EAR99	EAR99	EAR99
Maximum drop-back voltage 1	-	0.2 V	0.2 V	0.2 V	-	0.2 V	0.2 V	0.2 V	0.2 V
Maximum input voltage	-	5.5 V	5.5 V	5.5 V	-	5.5 V	5.5 V	5.5 V	5.5 V
Minimum input voltage	-	2.3 V	2.3 V	2.3 V	-	2.3 V	2.3 V	2.3 V	2.3 V
JESD-30 code	-	R-XDSO-N4	R-XDSO-N4	R-XDSO-N4	-	R-XDSO-N4	R-XDSO-N4	R-XDSO-N4	R-XDSO-N4
JESD-609 code	-	e3	e3	e3	-	e3	e3	e3	e3
length	-	1.6 mm	1.6 mm	1.6 mm	-	1.6 mm	1.6 mm	1.6 mm	1.6 mm
Humidity sensitivity level	-	1	1	1	-	1	1	1	1
Number of functions	-	1	1	1	-	1	1	1	1
Number of terminals	-	4	4	4	-	4	4	4	4
Working temperatureTJ-Max	-	125 °C	125 °C	125 °C	-	125 °C	125 °C	125 °C	125 °C
Maximum output current 1	-	0.3 A	0.3 A	0.3 A	-	0.3 A	0.3 A	0.3 A	0.3 A
Maximum output voltage 1	-	1.545 V	1.854 V	2.163 V	-	3.399 V	3.09 V	2.987 V	2.936 V
Minimum output voltage 1	-	1.455 V	1.746 V	2.037 V	-	3.201 V	2.91 V	2.813 V	2.765 V
Nominal output voltage 1	-	1.5 V	1.8 V	2.1 V	-	3.3 V	3 V	2.9 V	2.85 V
Package body material	-	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	-	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED	UNSPECIFIED
encapsulated code	-	HVSON	HVSON	HVSON	-	HVSON	HVSON	HVSON	HVSON
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	-	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	-	260	260	260	-	260	260	260	260
Certification status	-	Not Qualified	Not Qualified	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	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	-	0.6 mm	0.6 mm	0.6 mm	-	0.6 mm	0.6 mm	0.6 mm	0.6 mm
surface mount	-	YES	YES	YES	-	YES	YES	YES	YES
technology	-	CMOS	CMOS	CMOS	-	CMOS	CMOS	CMOS	CMOS
Terminal surface	-	MATTE TIN	MATTE TIN	MATTE TIN	-	MATTE TIN	MATTE TIN	MATTE TIN	MATTE TIN
Terminal form	-	NO LEAD	NO LEAD	NO LEAD	-	NO LEAD	NO LEAD	NO LEAD	NO LEAD
Terminal pitch	-	0.5 mm	0.5 mm	0.5 mm	-	0.5 mm	0.5 mm	0.5 mm	0.5 mm
Terminal location	-	DUAL	DUAL	DUAL	-	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	-	40	40	40	-	40	40	40	40
width	-	1.2 mm	1.2 mm	1.2 mm	-	1.2 mm	1.2 mm	1.2 mm	1.2 mm

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