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MIC5248

Description
150mA UCap CMOS LDO Regulator w/Power Good
File Size57KB,12 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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MIC5248 Overview

150mA UCap CMOS LDO Regulator w/Power Good

MIC5248
Micrel
MIC5248
150mA
µ
Cap CMOS LDO Regulator w/Power Good
Final Information
General Description
The MIC5248 is an efficient, precise CMOS voltage regulator
with power good output. The MIC5248 offers better than 3%
initial accuracy, and constant ground current (typically 100µA)
over load.
The MIC5248 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, a push-
pull output for faster transient response, and an active clamp
to speed up device turnoff. Available in the IttyBitty™ SOT-23-5
package, the MIC5248 is a fixed 1.2V regulator.
Features
Power Good indicator
Load independent, ultra-low ground current: 100µA
150mA output current
Current limiting
Thermal shutdown
Tight load and line regulation
“Zero” off-mode current
Stability with low-ESR capacitors
Fast transient response
TTL-logic-controlled enable input
Applications
• Processor power-up sequencing
• Laptop, notebook, and palmtop computers
• PCMCIA V
CC
and V
PP
regulation/switching
Ordering Information
Part Number
MIC5248-1.2BM5
MIC5248-1.2YM5
Marking
LV12
KV12
Voltage
1.2
1.2
Junction Temp. Range*
–40°C to +125°C
–40°C to +125°C,
Lead-free
Package
SOT-23-5
SOT-23-5
Other voltages available. Contact Micrel for details.
Typical Application
47k
V
IN
MIC5248-x.xBM5
1
2
Enable
Shutdown
3
4
5
V
OUT
C
OUT
PG
EN
EN (pin 3) may be
connected directly
to IN (pin 1).
Low-Noise Regulator Application
IttyBitty is a trademark of Micrel, Inc.
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
November 2002
1
MIC5248

MIC5248 Related Products

MIC5248 MIC5248-1.2BM5 MIC5248-1.2YM5
Description 150mA UCap CMOS LDO Regulator w/Power Good 150mA UCap CMOS LDO Regulator w/Power Good 150mA UCap CMOS LDO Regulator w/Power Good
Is it Rohs certified? - incompatible conform to
Maker - Microchip Microchip
package instruction - LSSOP, TSOP5/6,.11,37 LSSOP,
Reach Compliance Code - _compli compli
ECCN code - EAR99 EAR99
Maximum input voltage - 6 V 6 V
Minimum input voltage - 2.7 V 2.7 V
JESD-30 code - R-PDSO-G5 R-PDSO-G5
JESD-609 code - e0 e4
length - 2.9 mm 2.9 mm
Humidity sensitivity level - 1 1
Number of functions - 1 1
Number of terminals - 5 5
Working temperatureTJ-Max - 125 °C 125 °C
Operating temperatureTJ-Mi - -40 °C -40 °C
Maximum output current 1 - 0.15 A 0.15 A
Maximum output voltage 1 - 1.248 V 1.248 V
Minimum output voltage 1 - 1.152 V 1.152 V
Nominal output voltage 1 - 1.2 V 1.2 V
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - LSSOP LSSOP
Package shape - RECTANGULAR RECTANGULAR
Package form - SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) - 240 260
Certification status - Not Qualified Not Qualified
Regulator type - FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height - 1.45 mm 1.45 mm
surface mount - YES YES
technology - CMOS CMOS
Terminal surface - Tin/Lead (Sn85Pb15) Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal form - GULL WING GULL WING
Terminal pitch - 0.95 mm 0.95 mm
Terminal location - DUAL DUAL
Maximum time at peak reflow temperature - 30 40
width - 1.625 mm 1.625 mm
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