TPS51116MPWPREP datasheet(8/38 Pages) TI1

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VLDOIN

VTT

VTTGND

VTTSNS

GND

MODE

VTTREF

COMP

VDDQSNS

VDDQSET

VBST

DRVH

DRVL

PGND

V5IN

PGOOD

PWP PACKAGE

(TOP VIEW)

TPS51116-EP

SLUSB52A – OCTOBER 2012 – REVISED NOVEMBER 2012

www.ti.com

DEVICE INFORMATION

TERMINAL FUNCTIONS

TERMINAL

NO.

I/O

DESCRIPTION

NAME

PWP

Output of the transconductance amplifier for phase compensation. Connect to V5IN to disable gm

COMP

I/O

amplifier and use D-CAP™ mode.

Current sense comparator input (-) for resistor current sense scheme. Or overcurrent trip voltage

I/O

setting input for RDS(on) current sense scheme if connected to V5IN through the voltage setting

resistor.

DRVH

Switching (top) MOSFET gate drive output.

DRVL

Rectifying (bottom) MOSFET gate drive output.

GND

Signal ground. Connect to minus terminal of the VTT LDO output capacitor.

Switching (top) MOSFET gate driver return. Current sense comparator input (-) for RDS(on) current

I/O

sense.

MODE

Discharge mode setting pin. See VDDQ and VTT Discharge Control section.

Ground for rectifying (bottom) MOSFET gate driver. Also current sense comparator input(+) and

PGND

–

ground for powergood circuit.

Powergood signal open drain output, In HIGH state when VDDQ output voltage is within the target

PGOOD

range.

S3 signal input.

S5 signal input.

V5IN

5-V power supply input for internal circuits and MOSFET gate drivers.

VBST

I/O

Switching (top) MOSFET driver bootstrap voltage input.

VDDQSET

VDDQ output voltage setting pin. See VDDQ Output Voltage Selection section.

VDDQ reference input for VTT and VTTREF. Power supply for the VTTREF. Discharge current

VDDQSNS

I/O

sinking terminal for VDDQ Non-tracking discharge. Output voltage feedback input for VDDQ output

if VDDQSET pin is connected to V5IN or GND.

VLDOIN

Power supply for the VTT LDO.

VTT

Power output for the VTT LDO.

VTTGND

–

Power ground output for the VTT LDO.

VTTREF

VTTREF buffered reference output.

VTTSNS

Voltage sense input for the VTT LDO. Connect to plus terminal of the VTT LDO output capacitor.

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