TPS65140 Datasheet, PDF (20/31 Pages) Texas Instruments – TRIPLE OUTPUT LCD SUPPLY WITH LINEAR REGULATOR AND POWER GOOD

TPS65140, TPS65141
TPS65145
SLVS497C – SEPTEMBER 2003 – REVISED APRIL 2006
Vin
3.3V
Vo2
−5 V / 20 mA
C6
0.22u
L1
3.3uH
C3
22uF
C13 R7
1n 15k
C1
0.22u
D2
C12 0.22u
D3
R3
620k
R4
150k
TPS65140
VIN
COMP
GND
EN
ENR
C1+
C1−
DRV
FB2
REF
FB4
BASE
SW
SW
FB1
SUP
C2+
C2−/MODE
OUT3
FB3
PG
PGND
PGND
GND
C11
220nF
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Vo1
D1
10V / 150 mA
C5
R1
6.8pF
430
C4
22uF
R2
C2 56k
0.22u
R5
1M
Vo3
up to 23V/20mA
C7
0.22u
R6
56k
Vin
R7 _{System Power}
33k
Good
Figure 23. Typical Application, Notebook Supply
Vin
5.0 V
Vo2
−7 V / 20 mA
C6
0.22u
L1
4.7uH
C3
22uF
C13 R7
2.2n 4.3k
C1
0.22u
D2
C12 0.22u
D3
R3
750k
R4
130k
TPS65140
VIN
COMP
GND
EN
ENR
C1+
C1−
DRV
FB2
REF
FB4
BASE
SW
SW
FB1
SUP
C2+
C2−/MODE
OUT3
FB3
PG
PGND
PGND
GND
D1
C5
3.3pF
C11
220nF
Vin
Q1
BCP68
Vo4
3.3V/500mA
Vin
C9
C10
1uF
4.7uF
Vo1
13.5V / 400 mA
R1
C4
820
22uF
R2
75k
R5
1M
Vo3
up to 23V/20mA
C7
0.22u
R6
56k
R7 _{System Power}
33k
Good
Figure 24. Typical Application, Monitor Supply
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