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MIC5252: Description150MA HIGH PSRR LOW NOISE UCAP CMOS LDO; File Size79KB，9 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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150MA HIGH PSRR LOW NOISE UCAP CMOS LDO

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MIC5252

Micrel

MIC5252

150mA High PSRR, Low Noise

Cap CMOS LDO

General Description

The MIC5252 is an efficient, precise CMOS voltage regulator

optimized for ultra-low-noise applications. It offers 1% initial

accuracy, extremely-low dropout voltage (135mV at 150mA)

and low ground current (typically 90µA). The MIC5252 pro-

vides a very-low-noise output, ideal for RF applications

where a clean voltage source is required. The MIC5252 has

a high PSRR even at low supply voltages, critical for battery

operated electronics. A noise bypass pin is also available for

further reduction of output noise.

Designed specifically for handheld and battery-powered de-

vices, the MIC5252 provides a TTL-logic-compatible enable

pin. When disabled, power consumption drops nearly to zero.

The MIC5252 also works with low-ESR ceramic capacitors,

reducing the amount of board space necessary for power

applications, critical in handheld wireless devices.

Key features include current limit, thermal shutdown, faster

transient response, and an active clamp to speed up device

turn-off. The MIC5252 is available in the 6-pin 2mm

2mm

MLF™ package and the IttyBitty® SOT-23-5 package in a

wide range of output voltages.

Features

•

Input voltage range: 2.7V to 6.0V

PSRR = 50dB @ V

+ 0.3V

Ultra-low output noise: 30µV(rms)

Stability with ceramic output capacitors

Ultra-low dropout: 135mV @ 150mA

High output accuracy:

1.0% initial accuracy

2.0% over temperature

Low quiescent current: 90µA

Tight load and line regulation

TTL-Logic-controlled enable input

“Zero” off-mode current

Thermal shutdown and current limit protection

•

Applications

•

Cellular phones and pagers

Cellular accessories

Battery-powered equipment

Laptop, notebook, and palmtop computers

Consumer/personal electronics

Typical Application

MIC5252-x.xBM5

= 1.0µF

Ceramic

Enable

Shutdown

OUT

= 1.0µF

Ceramic

BYP

= 0.01µF

MIC5252-x.xBML

OUT

BYP

(optional)

ENABLE

SHUTDOWN

OUT

EN (pin 3) may be

connected directly

to IN (pin 1).

Ultra-Low-Noise Regulator Application

IttyBitty is a registered trademark of Micrel, Inc.

Micro

LeadFrame and MLF are trademarks of Amkor Technology.

Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

December 2003

M0394-121003

MIC5252 Related Products

	MIC5252	MIC5252-1.8BM5	MIC5252-2.5BM5	MIC5252-2.85BM5	MIC5252-2.85BML	MIC5252-2.8BM5	MIC5252-2.8BML	MIC5252-3.0BM5	MIC5252-3.0BML	MIC5252-4.75BM5
Description	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO	150MA HIGH PSRR LOW NOISE UCAP CMOS LDO
Is it Rohs certified?	-	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible
Maker	-	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip	Microchip
Parts packaging code	-	SOT-23	SOT-23	SOT-23	DFN	SOT-23	DFN	SOT-23	DFN	SOT-23
package instruction	-	LSSOP, TSOP5/6,.11,37	LSSOP, TSOP5/6,.11,37	LSSOP, TSOP5/6,.11,37	VSON, SOLCC10,.11,20	LSSOP, TSOP5/6,.11,37	VSON, SOLCC6,.08,25	LSSOP, TSOP5/6,.11,37	VSON, SOLCC6,.08,25	LSSOP, TSOP5/6,.11,37
Contacts	-	5	5	5	6	5	6	5	6	5
Reach Compliance Code	-	compliant	compliant	compliant	compli	compli	compli	compliant	compli	compli
ECCN code	-	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Adjustability	-	FIXED	FIXED	FIXED	FIXED	FIXED	FIXED	FIXED	FIXED	FIXED
Maximum drop-back voltage 1	-	0.25 V	0.25 V	0.25 V	0.25 V	0.25 V	0.25 V	0.25 V	0.25 V	0.25 V
Nominal dropback voltage 1	-	0.135 V	0.135 V	0.135 V	0.135 V	0.135 V	0.135 V	0.135 V	0.135 V	0.135 V
Maximum absolute input voltage	-	7 V	7 V	7 V	7 V	7 V	7 V	7 V	7 V	7 V
Maximum input voltage	-	6 V	6 V	6 V	6 V	6 V	6 V	6 V	6 V	6 V
Minimum input voltage	-	2.7 V	2.7 V	3.85 V	3.85 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
JESD-30 code	-	R-PDSO-G5	R-PDSO-G5	R-PDSO-G5	S-PDSO-N6	R-PDSO-G5	S-XDSO-N6	R-PDSO-G5	S-XDSO-N6	R-PDSO-G5
JESD-609 code	-	e0	e0	e0	e0	e0	e0	e0	e0	e0
length	-	2.9 mm	2.9 mm	2.9 mm	2 mm	2.9 mm	2 mm	2.9 mm	2 mm	2.9 mm
Maximum grid adjustment rate	-	0.0036%	0.005%	0.0057%	0.0057%	0.0056%	0.0056%	0.006%	0.006%	0.0095%
Maximum load regulation	-	0.027%	0.0375%	0.04275%	0.04275%	0.042%	0.042%	0.045%	0.045%	0.07125%
Humidity sensitivity level	-	1	1	1	1	1	1	1	1	1
Number of functions	-	1	1	1	1	1	1	1	1	1
Output times	-	1	1	1	1	1	1	1	1	1
Number of terminals	-	5	5	5	6	5	6	5	6	5
Working temperatureTJ-Max	-	125 °C	125 °C	125 °C	125 °C	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	0.15 A	0.15 A	0.15 A	0.15 A
Maximum output voltage 1	-	1.854 V	2.575 V	2.9355 V	2.9355 V	2.884 V	2.884 V	3.09 V	3.09 V	4.8925 V
Minimum output voltage 1	-	1.746 V	2.425 V	2.7645 V	2.7645 V	2.716 V	2.716 V	2.91 V	2.91 V	4.6075 V
Nominal output voltage 1	-	1.8 V	2.5 V	2.85 V	2.85 V	2.8 V	2.8 V	3 V	3 V	4.75 V
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY	UNSPECIFIED	PLASTIC/EPOXY
encapsulated code	-	LSSOP	LSSOP	LSSOP	VSON	LSSOP	VSON	LSSOP	VSON	LSSOP
Encapsulate equivalent code	-	TSOP5/6,.11,37	TSOP5/6,.11,37	TSOP5/6,.11,37	SOLCC10,.11,20	TSOP5/6,.11,37	SOLCC6,.08,25	TSOP5/6,.11,37	SOLCC6,.08,25	TSOP5/6,.11,37
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	SQUARE	RECTANGULAR	SQUARE	RECTANGULAR	SQUARE	RECTANGULAR
Package form	-	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, VERY THIN PROFILE	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, VERY THIN PROFILE	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, VERY THIN PROFILE	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	-	240	240	240	240	240	240	240	240	240
Certification status	-	Not Qualified	Not Qualified	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	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	-	1.45 mm	1.45 mm	1.45 mm	0.95 mm	1.45 mm	0.95 mm	1.45 mm	0.95 mm	1.45 mm
surface mount	-	YES	YES	YES	YES	YES	YES	YES	YES	YES
technology	-	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Terminal surface	-	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)
Terminal form	-	GULL WING	GULL WING	GULL WING	NO LEAD	GULL WING	NO LEAD	GULL WING	NO LEAD	GULL WING
Terminal pitch	-	0.95 mm	0.95 mm	0.95 mm	0.65 mm	0.95 mm	0.65 mm	0.95 mm	0.65 mm	0.95 mm
Terminal location	-	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	-	30	30	30	30	30	30	30	30	30
Maximum voltage tolerance	-	3%	3%	3%	3%	3%	3%	3%	3%	3%
width	-	1.6 mm	1.6 mm	1.6 mm	2 mm	1.6 mm	2 mm	1.6 mm	2 mm	1.6 mm

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