MIC5202
Micrel
MIC5202
Dual 100mA Low-Dropout Regulator
General Description
The MIC5202 is a family of dual linear voltage regulators
with very low dropout voltage (typically 17mV at light loads
and 210mV at 100mA), and very low ground current (1mA at
100mA output–each section), offering better than 1% initial
accuracy with a logic compatible ON/OFF switching input.
Designed especially for hand-held battery powered devices,
the MIC5202 is switched by a CMOS or TTL compatible logic
signal. This ENABLE control my be tied directly to V
IN
if un-
needed. When disabled, power consumption drops nearly
to zero. The ground current of the MIC5202 increases only
slightly in dropout, further prolonging battery life. Key MIC5202
features include protection against reversed battery, current
limiting, and over-temperature shutdown.
The MIC5202 is available in several fixed voltages. Other
options are available; contact Micrel for details.
Features
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High output voltage accuracy
Variety of output voltages
Guaranteed 100mA output
Low quiescent current
Low dropout voltage
Extremely tight load and line regulation
Very low temperature coefficient
Current and thermal limiting
Reverse-battery protection
Zero OFF mode current
Logic-controlled electronic shutdown
Available in SO-8 package
Cellular Telephones
Laptop, Notebook, and Palmtop Computers
Battery Powered Equipment
PCMCIA V
CC
and V
PP
Regulation/Switching
Bar Code Scanners
SMPS Post-Regulator/ DC to DC Modules
High Efficiency Linear Power Supplies
Applications
Ordering Information
Part Number
Standard
MIC5202-3.0BM
MIC5202-3.3BM
MIC5202-4.8BM
MIC5202-5.0BM
Pb-Free
MIC5202-3.0YM
MIC5202-3.3YM
MIC5202-4.8YM
MIC5202-5.0YM
3.0
3.3
4.85
5.0
1%
1%
1%
1%
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
SO-8
SO-8
SO-8
SO-8
Volts
Accuracy
Temperature Range
Package
* Junction Temperature
Other voltages are available; contact Micrel for details.
Typical Application
MIC5202-3.
3
Output A
Enable A
Output B
Pin Configuration
VOUT (A)
GROUND
VOUT (B)
GROUND
VIN (A)
ENABLE (A
)
VIN (B)
ENABLE (B
)
1µ (x2)
Enable B
MIC5202-xxBM
Both GROUND pins must be tied to
the same potential. V
IN
(A) and V
IN
(B) may run
from separate supplies.
ENABLE pins may be tied directly to V
IN
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
March 2006
1
MIC5202
MICREL [ MICREL SEMICONDUCTOR ]
