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SC1151CS 数据表(PDF) 3 Page - Semtech Corporation |
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SC1151CS 数据表(HTML) 3 Page - Semtech Corporation |
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3 / 6 page ![]() SC1151 © 1998 SEMTECH CORP. 652 MITCHELL ROAD NEWBURY PARK CA PROGRAMMABLE DC/DC CONTROLLER FOR ADVANCED MICROPROCESSORS March 11, 1998 3 NOTE: (1) All logic level inputs and outputs are open collector TTL compatible PIN DESCRIPTION Pin # Pin Name Pin Function 1 GND Small Signal Analog and Digital Ground 2 V CC Chip Supply Voltage 3 OVP High Signal out if V O>setpoint + 20% 4 PWRGOOD (1) Open collector logic output, high if V O within 10% of setpoint 5 CSm Current Sense Input (negative) 6 CSp Current Sense Input (positive) 7 PGND Power Ground 8 DH High Side Driver Output 9 BST Vcc for High Side Driver 10 SHUTDOWN (1) Logic low shuts down the converter 11 V OSENSE Top end of internal feedback chain 12 VID4 (1) Programming Input (MSB) 13 VID3 (1) Programming Input 14 VID2 (1) Programming Input 15 VID1 (1) Programming Input 16 VID0 (1) Programming Input (LSB) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 PWRGOOD VID0 VID1 VID2 VID3 BST DH VOSENSE GND SHUTDOWN PGND VCC CSp CSm OVP VID4 |
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