Datasheet

EXAMPLE APPLICATIONS
S0209-01
1
2
3
4
16
15
14
13
ILIM
VDD
BOOST
HDRV
KFF
RT
LVBP
PGD
TPS40077PWP
5
6
7
8
12
11
10
9
SW
DBP
LDRV
PGND
SGND
SS
FB
COMP
+
+
–
PWP
+ +
–
V
1.8V
10 A
OUT
C18
0.1 Fm
C12
22 Fm
C8
0.1 Fm
C7
10pF
C100.1 Fm
C91 Fm
R9
2kW
R8
226 W
R3
5.49kW
R5
10kW
R2
165kW
R6
165kW
V
12V
DD
R78.66kW
C14
22 Fm
C17
470 Fm
C16
470 Fm
C15
47 Fm
C6
4.7nF
C5
5.6nF
C4470pF
C322nF
C20.1 Fm
C13
4.7nF
L1
Pulse
PG0077.202
2 Hm
D1
BAT54
Q1
Si7840BDP
Q2
Si7856ADP
TPS40077
SLUS714D – JANUARY 2007 – REVISED APRIL 2009 ..................................................................................................................................................... www.ti.com
Figure 34. 300 kHz, 12 V to 1.8 V
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