Datasheet

C19
470nF/
50V
C18
470nF/
50V
T2
BC850B
Vgh
26.5V/20mA
IN
EN
SW
FB
Cout
FREQ
AGND
COMP
4*10µF/
25V
SS
1
4
6
8
3
7
2
5
PGND
9
10
SW
V
-7V/20mA
GL
C20
1µF/
35V
T1
BC857B
R8
6.8kΩ
D8
BZX84C7V5
C14
470nF/
25V
-Vs
D4
BAV99
C15
470nF/
50V
C16
470nF/
50V
C17
470nF/
50V
D3
BAV99
D2
BAV99
3·Vs
2·Vs
R10
13kΩ
D9
BZX84C27V
L
3.3µH
V
5V±20%
IN
Cby
1µF/
16V
D
SL22
V
15V/500mA
S
R1
200kΩ
R2
18kΩ
Rcomp
100kΩ
Ccomp
820pF
Css
100nF
Cin
2*10µF/
16V
TPS61087
C13
1µF/
35V
TPS61087
www.ti.com SLVS821C –MAY 2008–REVISED JULY 2013
TFT LCD APPLICATION
Figure 20. Typical Application 5 V to 15 V (f
S
= 1.2 MHz) for TFT LCD with External Charge Pumps (VGH,
VGL)
Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback 17
Product Folder Links: TPS61087