Datasheet

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6.2 kΩ
15 kΩ
4.99 kΩ
200 kΩ
100 kΩ
1 µF 2.67 kΩ
158 kΩ
120 kΩ 1 µF 270 kΩ
1 µF
22 µF TDK C4532X7R1C226M
100 µF TDK C3225X5ROJ107M
V
OUT
3.3 V
15 A
1.0 µH
COEV
DXM1306−1R0
1.7 mΩ (typ)
5.9 kΩ
10 kΩ
V
OUT
UDG−04141
47 pF
TPS40100
1
3
18
16
2
4
17
15
5
6
14
13
24 2223 21 20 19
7 98 10 11 12
COMP
FB
TRKOUT
TRKIN
UVLO
ILIM
MGU MGD
SYNC
PG
VO
ISNS
RT BIAS
GND
SS GM
PGND
VDD
SW
HDRV
BST
5VBP
LDRV
150 nF
100 pF
BAT54
100 nF
100 nF
12 V
3.9 nF
47 nF
MMBD1501A
12 V
Si7344DP
Si7868DP
Connect at load
2N7002
Margin up 5%
2N7002
Margin down 5%
Power Good Indication
330 pF
1
2
3
3
Open switch after input power is stable and SS capacitor had finished charging.
1
2
1
2 2
3.32 kΩ
40.2 kΩ
3.3 V to 5 V logic supply or 5VBP pin
TPS40100
SLUS601–MAY 2005
Figure 19. 400-kHz, 12-V to 3.3-V Converter With Tracking Capability and 5% Margining
29