Datasheet
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DEVICE INFORMATION
DRC PACKAGE
1
2
3
4
5
10
9
8
7
6VOSNS
PGND
VO
VLDOIN
REFIN
REFOUT
EN
GND
PGOOD
VIN
TPS51200
(Bottom View)
TPS51200
SLUS812 – FEBRUARY 2008
TERMINAL FUNCTIONS
TERMINAL
NAME NO. I/O DESCRIPTION
EN 7 I For DDR VTT application, connect EN to SLP_S3. For any other application(s), use EN as the ON/OFF
function.
GND 8 – Ground.Signal ground. Connect to negative terminal of the output capacitor.
PGND 4 – Power ground output for the LDO
PGOOD 9 O PGOOD output. Indicates regulation.
REFIN 1 I Reference input
REFOUT 6 O Reference output. Connect to GND through 0.1- µ F ceramic capacitor.
VIN 10 I 2.5-V or 3.3-V power supply A ceramic decoupling capacitor with a value between 1- µ F and 4.7- µ F is
required.
VLDOIN 2 I Supply voltage for the LDO
VO 3 O Power output for the LDO
VOSNS 5 I Voltage sense output for the LDO. Connect to positive terminal of the output capacitor or the load.
Copyright © 2008, Texas Instruments Incorporated 5
Product Folder Link(s): TPS51200