TPS51216_15 datasheet(8/33 Pages) TI1

Part #	TPS51216

Description	Complete DDR2 DDR3 and DDR3L Memory Power Solution Synchronous Buck Controller

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Manufacturer	TI1 [Texas Instruments]

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8 / 33 page

10

13

PGND

SW

TPS51216

OC

ZC

XCON

15 VBST

12 V5IN

PWM

9

REFIN

TRIP

Delay

20 PGOOD

Control Logic

UDG-10135

10 mA

+

V

REFIN +20%

+

8

VDDQSNS

+

18

14 DRVH

11 DRVL

t

ON

One-

Shot

UV

OV

V

REFIN –32%

16

S5

Soft-Start

+

NOC

+

8 R

6

VREF

Reference

R

7

GND

17

S3

5

VTTREF

1

VTTSNS

4

VTTGND

3

VTT

+

2

VLDOIN

7 R

R

VTT Discharge

VTTREF Discharge

On-Time

Discharge Type

Selection

15 mA

19 MODE

V

REFIN +8/16 %

V

REFIN –8/16 %

+

VDDQ

Discharge V5OK

+

4.4 V/3.9 V

UVP

OVP

TPS51216

SLUSAB9A – NOVEMBER 2010 – REVISED APRIL 2013

www.ti.com

FUNCTIONAL BLOCK DIAGRAM

8

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TPS51216 Datasheet(PDF) 8 Page - Texas Instruments

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