Datasheet

N/C
EN_PSV
TON
VOUT
TRIP
V5IN
VBST
N/C
LL LL LL LL LL LL LL LL
VOUT_DS
V5FILT
VFB
PGOOD
TPS51315
GND GND PGND GND 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
R1
301kW
R2
12.1kW
L1
1 mF
C1
330 mF
C2
47 mF
R6
100kW
R4
20kW
ENSW
R5
500 W
C4
1 mF
C3
1 mF
PGOOD
V
OUT
1.8V
V
IN
12V
UDG-09046
R3
8.06kW
V5IN
V
OUT
R7
27kW
C6
0.56 mF
D1
Q1
MMBT3904
R8
100 W
C5
0.1 mF
R6
120kW
Not Recommended for New Designs
TPS51315
www.ti.com SLUS881B –MAY 2009–REVISED AUGUST 2012
Figure 28. Typical 1.05-V/10-A Application with Hiccup Operation Mode
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