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SMH4803CJLP Datasheet(PDF) 1 Page - Summit Microelectronics, Inc. |
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SMH4803CJLP Datasheet(HTML) 1 Page - Summit Microelectronics, Inc. |
1 / 22 page © 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 Ω 50k Ω 50k Ω |
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