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