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SMH4042ASAHM Datasheet(PDF) 1 Page - Summit Microelectronics, Inc. |
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SMH4042ASAHM Datasheet(HTML) 1 Page - Summit Microelectronics, Inc. |
1 / 28 page 1 Characteristics subject to change without notice 2070 9.1 5/27/03 SMH4042A SUMMIT MICROELECTRONICS, Inc. ©SUMMIT MICROELECTRONICS, Inc., 2003 • 1717 Fox Drive, San Jose, CA 95131 • Phone 408-436-9890 • FAX 408-436-9897 • www.summitmicro.com Preliminary l Full Voltage Control for Hot Swap Applications w 15V High Side Driver Generation Allows use of Low On Resistance N-Channel FETs w Under-Voltage Lockout w Electronic Circuit Breakers w Card Insertion Detection w Host VCC Detection w Card Voltage Sequencing Distributed Power Hot-Swap Controller for CompactPCI FUNCTIONAL BLOCK DIAGRAM FEATURES l Flexible Reset Control w Low Voltage Resets w Host Reset Filtering w Soft Reset l Adjustable Power On Slew Rate l Suppoprts Mixed Voltage Cards l Two Wire I2C Serial Data Interface w 4k-Bit E2PROM Memory A0 A1 A2 SCL SDA EEPROM Memory Array 8 10 11 19 18 PWR_EN PCI_RST# VSEL 7 17 6 + – + – CBI_3 24 1 23 CBI_5 HST_3V_MON + – + – CARD_3V_MON 21 25 CARD_5V_MON 1.25V 28 VCC LOCAL_PCI_RST 20 LOCAL_PCI_RST# 9 3 ISLEW SGNL_VLD# 16 HEALTHY# 15 DRVREN# 2 FAULT# 4 5 22 27 VGATE5 VGATE3 1VREF 14 GND 13 12 BD_SEL2# BD_SEL1# CONTROL ASSOCIATE MEMBER |
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