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TPS51116 Fiches technique(PDF) 8 Page - Texas Instruments |
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TPS51116 Fiches technique(HTML) 8 Page - Texas Instruments |
8 / 42 page DEVICE INFORMATION TPS51116 SLUS609H – MAY 2004 – REVISED JULY 2009................................................................................................................................................................ www.ti.com TERMINAL FUNCTIONS TERMINAL NO. I/O DESCRIPTION NAME PWP RGE Output of the transconductance amplifier for phase compensation. Connect to V5IN to disable COMP 8 6 I/O gm amplifier and use D-CAP™ mode. Current sense comparator input (-) for resistor current sense scheme. Or overcurrent trip CS 15 16 I/O voltage setting input for RDS(on) current sense scheme if connected to V5IN (PWP), V5FILT (RGE) through the voltage setting resistor. DRVH 19 21 O Switching (top) MOSFET gate drive output. DRVL 17 19 O Rectifying (bottom) MOSFET gate drive output. GND 5 3 - Signal ground. Connect to minus terminal of the VTT LDO output capacitor. CS_GND - 17 Current sense comparator input (+) and ground for powergood circuit. Switching (top) MOSFET gate driver return. Current sense comparator input (-) for RDS(on) LL 18 20 I/O current sense. MODE 6 4 I Discharge mode setting pin. See VDDQ and VTT Discharge Control section. NC - 7,12 No connect. Ground for rectifying (bottom) MOSFET gate driver (PWP, RGE). Also current sense PGND 16 18 - comparator input(+) and ground for powergood circuit (PWP). Powergood signal open drain output, In HIGH state when VDDQ output voltage is within the PGOOD 13 13 O target range. S3 11 10 I S3 signal input. S5 12 11 I S5 signal input. V5IN 14 15 I 5-V power supply input for internal circuits (PWP) and MOSFET gate drivers (PWP, RGE). Filtered 5-V power supply input for internal circuits. Connect R-C network from V5IN to V5FILT - 14 I V5FILT. VBST 20 22 I/O Switching (top) MOSFET driver bootstrap voltage input. VDDQSET 10 9 I VDDQ output voltage setting pin. See VDDQ Output Voltage Selection section. VDDQ reference input for VTT and VTTREF. Power supply for the VTTREF. Discharge VDDQSNS 9 8 I/O current sinking terminal for VDDQ Non-tracking discharge. Output voltage feedback input for VDDQ output if VDDQSET pin is connected to V5IN or GND. VLDOIN 1 23 I Power supply for the VTT LDO. VTT 2 24 O Power output for the VTT LDO. VTTGND 3 1 - Power ground output for the VTT LDO. VTTREF 7 5 O VTTREF buffered reference output. Voltage sense input for the VTT LDO. Connect to plus terminal of the VTT LDO output VTTSNS 4 2 I capacitor. 8 Submit Documentation Feedback Copyright © 2004–2009, Texas Instruments Incorporated Product Folder Link(s): TPS51116 |
Numéro de pièce similaire - TPS51116_12 |
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Description similaire - TPS51116_12 |
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