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SM72238 Datasheet

SolarMagic Micropower Voltage Regulator

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SM72238
May 9, 2011
SolarMagic Micropower Voltage Regulator
General Description
The SM72238 is a micropower voltage regulator with very low
quiescent current (75μA typ.) and very low dropout voltage
(typ. 40mV at light loads and 380mV at 100mA). It is ideally
suited for use in battery-powered systems. Furthermore, the
quiescent current of the SM72238 increases only slightly in
dropout, prolonging battery life.
The SM72238 is available in the surface-mount D-Pak pack-
age.
Careful design of the SM72238 has minimized all contribu-
tions to the error budget. This includes a tight initial tolerance
(.5% typ.), extremely good load and line regulation (.05% typ.)
and a very low output voltage temperature coefficient, making
the part useful as a low-power voltage reference.
Features
Renewable Energy Grade
High accuracy output voltage
Guaranteed 100mA output current
Extremely low quiescent current
Low dropout voltage
Extremely tight load and line regulation
Very low temperature coefficient
Use as Regulator or Reference
Needs minimum capacitance for stability
Current and Thermal Limiting
Stable with low-ESR output capacitors (10mto 6Ω)
Block Diagram and Typical Applications
SM72238
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© 2011 National Semiconductor Corporation 301413
30141325
www.national.com
Datasheet pdf - http://www.DataSheet4U.co.kr/


National Semiconductor Electronic Components Datasheet

SM72238 Datasheet

SolarMagic Micropower Voltage Regulator

No Preview Available !

Connection Diagrams
TO-252 (D-Pak)
Ordering Information
Front View
30141370
Package
TO-252
(DPAK)
TO-252
(DPAK)
TO-252
(DPAK)
Temperature
Range
-40<TJ<125
-40<TJ<125
-40<TJ<125
VOUT
3.0
3.3
5.0
Part Number
SM72238TD-3.0
SM72238TDE-3.0
SM72238TDX-3.0
SM72238TD-3.3
SM72238TDE-3.3
SM72238TDX-3.3
SM72238TD-5.0
SM72238TDE-5.0
SM72238TDX-5.0
Package Marking
S72238–3.0
S72238–3.3
S72238
Transport Media
NSC Drawing
75 Units in Rail
250 Units in Tape and Reel
2500 Units in Tape and Reel
75 Units in Rail
250 Units in Tape and Reel
2500 Units in Tape and Reel
75 Units in Rail
250 Units in Tape and Reel
2500 Units in Tape and Reel
TD03B
TD03B
TD03B
www.DataSheet.net/
www.national.com
2
Datasheet pdf - http://www.DataSheet4U.co.kr/


Part Number SM72238
Description SolarMagic Micropower Voltage Regulator
Maker National Semiconductor
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SM72238 Datasheet PDF





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