Datasheet
120 µF
V
OUT
4.7 µF
1.4 µH,
Pulse PG0077.142
137 Ω
UDG−05073
100 µF TDK C3225X5R0J107M
22 µF TDK C3225X5R1C226M
10 kΩ
2.49 kΩ
9.76 kΩ
1 µF
1
2
3
4
10
9
8
7
HDRV
SW
BOOT
LDRV
ENABLE
FB
COMP
VDD
TPS40190
5 6BP5GND
100 nF
12 V
10 nF
180 pF
12 nF
3.3 nF
Off
Si7344DP
Si7868ADP
1 1 1
1
2 2
2
1.2 V, 20 A
12.1 kΩ
120 µF
V
OUT
1
2
3
4
10
9
8
7
HDRV
SW
BOOT
LDRV
ENABLE
FB
COMP
VDD
TPS40190
5 6BP5GND
100 nF
12 V
10 nF
820 pF
82 nF
4.7 nF
On/Off
Si4874BDY
Si4874BDY
1 1 1
1
2
2
2
5 V, 10 A
4.7 µF
2 µH,
COEV DXM1306 2R0
110 Ω
UDG−05072
47 µF TDK C3225X5R0J476M
22 µF TDK C3225X5R1C226M
10 kΩ
634 Ω
1.33 kΩ
1 µF
TPS40190
SLUS658C –JULY 2005–REVISED JULY 2012
www.ti.com
Figure 9. 12-V to 5-V at 10 A
Figure 10. 12-V to 1.2-V at 20 A
12 Copyright © 2005–2012, Texas Instruments Incorporated