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SMH4803BHKP 参数 Datasheet PDF下载

SMH4803BHKP图片预览
型号: SMH4803BHKP
PDF下载: 下载PDF文件 查看货源
内容描述: 分布式电源热插拔控制器 [Distributed Power Hot-Swap Controller]
分类和应用: 控制器
文件页数/大小: 22 页 / 177 K
品牌: SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
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SMH4803
Distributed Power Hot-Swap Controller
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
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
F
Pr
n
turi
ea
g
TM
uick-Tri
p
eQ
l
og
ab
eaker
ra
m
m
Br
u
it
C
irc
ASSOCIATE
MEMBER
FUNCTIONAL BLOCK DIAGRAM
ENPGB
VDD
12V ref
PG3#
50kΩ
EN/TS
50kΩ
PD1#
-
+
Programmable
Delay
ENPGA
50kΩ
Filter
PG2#
Programmable
Delay
PD2#
-
UV
+
PG1#
Drain
Sense
-
12V
+
+
OV
-
2.5V ref
VSS
5V
2.5V
12V
current limit
5.0V ref
Vgate
Sense
CBMode
CBReset#
+
50
mV
+
Programmable
Quick-Trip
Ref Voltage
Vgate
Programmable
Delay
Fault
Latch
&
Duty
Cycle
Timer
CBSense
© SUMMIT MICROELECTRONICS, Inc. 2000 • 300 Orchard City Drive, Suite 131 • Campbell, CA 95008 • Telephone 408-378-6461 • Fax 408-378-6586 • www.summitmicro.com
Characteristics subject to change without notice
2041 8.4 6/15/00
-
-
CBFault#
2041 BD 8.0
1