Manual

MAX1779
Low-Power Triple-Output TFT LCD DC-DC
Converter
16 ______________________________________________________________________________________
V
IN
= +3.3V
C
IN
10µF
R
RDY
100k
C11
0.1µF
IN
SHDN
RDY
C
INTG
2200pF
C5
0.1µF
DRVN
C9
0.22µF
C6
0.47µF
R5
320k
V
NEG
-8V, 5mA
C10
2.2µF
R6
49.9k
C
REF
0.22µF
PGND
REF FBN
GND
TGND
FBP
DRVP
SUPP
SUPN
FB
LX
R1
150k
R
COMP
24k
C
COMP
470pF
R2
50k
V
MAIN
= +5.0V
C
OUT
22µF
C3
0.1µF
C3 0.47µF
VPOS +12V, 5mA
C8 2.2µF
C8
430k
R4 49.9k
C7
0.22µF
MAX1779
INTG
33µH
Figure 5. Typical Operating Circuit (L = 33µH)