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SMH4803CJM Datasheet(PDF) 1 Page - Summit Microelectronics, Inc.

Part # SMH4803CJM
Description  Distributed Power Hot-Swap Controller
Download  22 Pages
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Manufacturer  SUMMIT [Summit Microelectronics, Inc.]
Direct Link  http://www.summitmicro.com
Logo SUMMIT - Summit Microelectronics, Inc.

SMH4803CJM Datasheet(HTML) 1 Page - Summit Microelectronics, Inc.

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© SUMMIT MICROELECTRONICS, Inc. 2000 • 300 Orchard City Drive, Suite 131 • Campbell, CA 95008 • Telephone 408-378-6461 • Fax 408-378-6586 • www.summitmicro.com
1
Characteristics subject to change without notice
2041 8.4 6/15/00
SMH4803
FEATURES
Supply Range ±20VDC to >±500VDC
Versatile Card Insertion Detection Supports
Both
– Multi-length Pin Systems
– Card Injector Switch Sensing
Control Up to Four Loads or a Primary Load and
3 DC/DC Converters
Highly
Programmable Host Voltage Monitoring
Programmable Under- and Over-voltage
Detection
Programmable Power Good Delays for
Sequencing DC/DC Converters
Distributed Power Hot-Swap Controller
Programmable Circuit Breaker Function
Programmable Over-current Filter
Programmable Quick-Trip™ Circuit Breaker
Values
Programmable Circuit Breaker Mode
Duty-Cycle Mode
Latched Mode
2.5V and 5.0V reference outputs
– Easy Expansion of External
Monitor Functions
FUNCTIONAL BLOCK DIAGRAM
ASSOCIATE
MEMBER
P
ro
gra mma
ble
Qui
ck-Trip
C ircu
it B
rea
ker
Featuring
+
-
+
-
+
-
12V
5V
2.5V
Programmable
Delay
Programmable
Delay
+
-
CBFault#
2041 BD 8.0
Vgate
2.5V ref
5.0V ref
PG1#
PG2#
ENPGB
ENPGA
PG3#
CBSense
Programmable
Delay
VSS
CBMode
CBReset#
EN/TS
PD1#
PD2#
UV
OV
Drain
Sense
VDD
Fault
Latch
&
Duty
Cycle
Timer
+
-
50
mV
Programmable
Quick-Trip
Ref Voltage
Filter
12V ref
12V
current limit
Vgate
Sense
50k
50k
50k


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