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National Semiconductor Electronic Components Datasheet

SM72295 Datasheet

Photovoltaic Full Bridge Driver

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SM72295
February 25, 2011
Photovoltaic Full Bridge Driver
General Description
The SM72295 is designed to drive 4 discrete N type
MOSFET’s in a full bridge configuration. The drivers provide
3A of peak current for fast efficient switching and integrated
high speed bootstrap diodes. Current sensing is provided by
2 transconductance amplifiers with externally programmable
gain and filtering to remove ripple current to provide average
current information to the control circuit. The current sense
amplifiers have buffered outputs available to provide a low
impedance interface to an A/D converter if needed. An exter-
nally programmable input over voltage comparator is also
included to shutdown all outputs. Under voltage lockout with
a PGOOD indicator prevents the drivers from operating if
VCC is too low.
Features
Renewable Energy Grade
Dual Half Bridge MOSFET Drivers
Integrated 100V bootstrap diodes
Independent High and Low driver logic inputs
Bootstrap supply voltage range up to 115V DC
Two current sense amplifiers with externally
programmable gain and buffered outputs
Programmable over voltage protection
Supply rail under-voltage lockouts with power good
indicator
Package
SOIC-28
Typical Application Circuit
www.DataSheet.net/
© 2011 National Semiconductor Corporation 301341
30134101
www.national.com
Datasheet pdf - http://www.DataSheet4U.co.kr/


National Semiconductor Electronic Components Datasheet

SM72295 Datasheet

Photovoltaic Full Bridge Driver

No Preview Available !

Connection Diagram
Top View
SOIC-28
30134116
Ordering Information
Order Number
SM72295X
SM72295E
Description
28L SOIC WIDE
28L SOIC WIDE
www.DataSheet.net/
NSC Package Drawing
M28B
M28B
Supplied As
1000 Units in Tape and Reel
250 Units in Tape and Reel
www.national.com
2
Datasheet pdf - http://www.DataSheet4U.co.kr/


Part Number SM72295
Description Photovoltaic Full Bridge Driver
Maker National Semiconductor
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