Datasheet


SLVS612 − APRIL 2006
26
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330 µF
330 µF
165 kΩ
100 pF
1.0 µF
50 V
0.1 µF
3.3 Ω
2.9 µH
22 µF
50 V
22 µF
50 V
10 kΩ
100 kΩ
470 µF
470 µF
V
TT
V
IN
1.0 µF
1.0 µF
UDG−03100
560 pF
11.8 kΩ
10 pF
100 pF
3300 pF
562 kΩ
V
TRKIN
Si7860DP
Si7860DP
R4
10 kΩ
R5
10 kΩ
1 2 3 4
16 15 14 13
ILIM
VIN
BOOST
HDRV
SYNC RT BP5 EA_REF
TPS40056PWP
5 6 7 8
12 11 10
9
SW
BP10
LDRV
PGND
SGND SS VFB COMP
+
−
+
−
D1
PWP
C2
C1
R2
C
SS
R
T
R3
R1
C3
D2
R
SW
Figure 11. 12-V to 1.25-V at 8-A DC-to-DC Converter (DDR) Design Example