Datasheet

2
3
4
5
1
9
8
7
6
10
TPS51200
REFIN
VLDOIN
VO
PGND
VOSNS
VIN
PGOOD
GND
EN
REFOUT
R3
100 kW
3.3 V
IN
PGOOD
ENABLE
C5
0.1 mF
REFOUT
V
VLDOIN
= V
VLDOREF
= 2.5 V
V
VLDO
= 1.8 V
C4
1000 pF
R1
10 kW
2.5 V
R2
3.86 kW
UDG-08033
C6
4.7 mF
C8
10 mF
C7
10 mF
C3
10 mF
C2
10 mF
C1
10 mF
TPS51200-Q1
www.ti.com SLUS984A –NOVEMBER 2009–REVISED APRIL 2012
Design Example 6
This design example describes a 3.3-V
IN
, LDO Configuration.
Figure 30. 3.3-V
IN
, LDO Configuration
Table 7. Design Example 6 List of Materials
REFERENCE
DESCRIPTION SPECIFICATION PART NUMBER MANUFACTURER
DESIGNATOR
R1 10 kΩ
R2 Resistor 3.86 kΩ
R3 100 kΩ
C1, C2, C3 10 μF, 6.3 V GRM21BR70J106KE76L Murata
C4 1000 pF
C5 Capacitor 0.1 μF
C6 4.7 μF, 6.3 V GRM21BR60J475KA11L Murata
C7, C8 10 μF, 6.3 V GRM21BR70J106KE76L Murata
Copyright © 2009–2012, Texas Instruments Incorporated 27
Product Folder Link(s): TPS51200-Q1