Datasheet
1
2
3
4
16
15
14
13
ILIM
VIN
BOOST
HDRV
KFF
RT
BP5
SYNC
TPS4005xPWP
5
6
7
8
12
11
10
9
SW
BP10
LDRV
PGND
SGND
SS/SD
VFB
COMP
18.7 kW
R
KFF
71.5 kW
1.0 mF
0.1 mF
2.9 mH
R3
6.49 kW
C3
330 pF
R1
100 kW
R
BIAS
26.7 kW
180 mF
V
O
+
–
C
SS/SD
3300 pF
C1
330 pF
R
T
169 kW
V
IN
+
Si7860
330 mF
22 mF
50 V
C2
22 pF
PWP
100 pF
1.0 mF
1.0 kW
R2
97.6 kW
Si7860
*optional
330 mF
22 mF
50 V
180 mF
–
1.0 mF
UDG-08117
TPS40054
TPS40055
TPS40057
SLUS593H –DECEMBER 2003–REVISED JULY 2012
www.ti.com
Figure 15. 24-V to 3.3-V at 8-A DC-to-DC Converter Design Example
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