Datasheet

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Application Schematics
27 kΩ
27 kΩ
14.3 kΩ
30 kΩ
4.99 kΩ
200 kΩ
100 kΩ
40.2 kΩ
13.7 kΩ
158 kΩ
162 kΩ
1 µF
270 kΩ
1 µF
10 Ω
V
OUT
1.2 V
15 A
470 µF
Panasonic
1.0 µH
COEV
DXM1306−1R0
1.7 mΩ (typ)
5.9 kΩ
10 kΩ
V
OUT
UDG−04140
1 µF
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
300 pF
MMBD1501A
12 V
Si73444DP
Si7868DP
EEF−SEOD471R
10 nF
(if required)
Connect at load
47 nF
Margin up 3%
Margin down 3% Power Good Indication
BAT54S
(if required)
Remote
GND Sense
Connect at
Load
2
1 1
1
2
Open switch after input power is stable and SS capacitor had finished charging.
22 µF TDK C4532X7R1C226M
2N7002
2N7002
47 pF
3.3 V to 5 V logic supply or 5VBP pin
TPS40100
SLUS601–MAY 2005
Figure 18. 300-kHz, 12-V to 1.2-V Converter With Tracking Startup Capability and Remote Sensing
28