Datasheet

N/C
N/C
TRIP
EN
PGOOD
N/C
VBST
N/C
LL LL LL LL LL LL LL LL
VFB
RF
MODE
VDD
TPS53315
GND1 PGND VREG GND2 PGND PGND PGND PGND PGND PGND VIN VIN
LL
LL
LL
LL
LL
VIN
VIN
VIN
1 2 3 4 5 6 7 8 9 10 11 12
20
19
18
17
16
15
14
13
32 31 30 29 28 27 26 25 24 23 22 21
33
34
35
36
37
38
39
40
L1
1 mH
IN06155
V
OUT
C
OUT
330 mF
C
IN
22 mF x 4
EN
V
IN
3 V to 15 V
UDG-10201
C3
1 mF
C4
1 mF
VDD
4.5 V to 25 V
R5
100 kW
R4
187 kW
R8
80.6 kW
R2
10 kW
PGOOD
VREG
PGOOD
R1
8.06 kW
C5
0.1 mF
R9 0 W
R10 100 kW
N/C
N/C
TRIP
EN
PGOOD
N/C
VBST
N/C
LL LL LL LL LL LL LL LL
VFB
RF
MODE
VDD
TPS53315
GND1 PGND VREG GND2 PGND PGND PGND PGND PGND PGND VIN VIN
LL
LL
LL
LL
LL
VIN
VIN
VIN
1 2 3 4 5 6 7 8 9 10 11 12
20
19
18
17
16
15
14
13
32 31 30 29 28 27 26 25 24 23 22 21
33
34
35
36
37
38
39
40
L1
1 mH
IN06155
C
OUT
100 mF
Ceramic
C
IN
22 mF x 4
EN
V
OUT
V
IN
3 V to 15 V
UDG-10202
C3
1 mF
C4
1 mF
VDD
4.5 V to 25 V
R5
100 kW
R4
187 kW
R8
80.6 kW
R2
10 kW
PGOOD
VREG
PGOOD
R1
8.06 kW
R7
1.5 kW
C2 1 nF
C1
0.1 mF
C
OUT
100 mF
Ceramic
R12
0 W
C5
0.1 mF
R9 0 W
R10 100 kW
TPS53315
SLUSAE6 –DECEMBER 2010 www.ti.com
APPLICATION INFORMATION
APPLICATION CIRCUIT DIAGRAM
Figure 33. Typical Application Circuit Diagram
Figure 34. Typical Application Circuit Diagram with Ceramic Output Capacitors
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