TPS65161_08 Datasheet, PDF (26/31 Pages) Texas Instruments – BIAS POWER SUPPLY FOR TV AND MONITOR TFT LCD PANELS

TPS65161
TPS65161A, TPS65161B
SLVS617C – APRIL 2006 – REVISED OCTOBER 2008 .................................................................................................................................................... www.ti.com
V_GL
-6.2 V/0.1 A
R3
511 kW
R4
100 kW
C8
220 nF
V_IN
12 V _C1
2*22 mF
L1
10 mH
TPS65161B
C16
1 mF
22
AVIN
12
FREQ
16
EN1
9
EN2
20
VINB
21
VINB
27
NC GD
19
NC NC
C17 22 nF ₂
R10
COMP
22 W*
C18
10 mF
C19
D2
C7
2.2 mF
D3 11
DRN
C6
1 mF
33 pF*
C10 10 nF
C11 10 nF
13
FBN
25
DLY1
26
DLY2
24
REF
C9 22 nF
28
SS
23
GND
6
PGND
7
PGND
4
SW
5
SW
1
FB
3
OS
8
SUP
10
DRP
14
FBP
17
BOOT
18
SWB
15
FBB
D2, D3, D4, and D5 are MBR0540.
D1
Sl22
R1
332 kW
C4
47 pF
C2
3*22 mF
V_S
17 V/0.6 A
R2
24 kW
C15
470 nF
C3
1 mF
C5
1 mF
D4
D5
R9
22 W*
C13
2.2 mF
C20
10 mF
R5
470 kW
V_GH
27 V/0.1 A
C21
33 pF*
Cb
L2 C12
100 nF 15 mH 2*22 mF
D6
SL22
R7
2 kW
C14
10 nF
R6
22 kW
V_(LOGIC)
3.3 V/0.8 A
R8
1.2 kW
* Suggested values only; should be optimized for specific applications.
Figure 23. Standard 12-V to 17-V Conversion with 100-mA V_GH and V_GL Output Current
26
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