Datasheet

MAX1779
Low-Power Triple-Output TFT LCD DC-DC
Converter
______________________________________________________________________________________ 17
IN
SHDN
RDY
INTG
LX
FB
SUPN
SUPP
DRVN
DRVP
GND
TGND
FBP
PGND
REF
FBN
R1
150k
R
COMP
10k
C
COMP
220pF
R2
50k
C
OUT
(2) 4.7μF
V
MAIN
= +5.0V
C3
0.1μF
C4 0.47μF
V
POS
+12V, 5mA
C8 2.2μF
R3
430k
R4 49.9k
C7
0.22μF
10μH
C11
0.1μF
R
RDY
100k
C
IN
(2) 4.7μF
V
IN
= +3.3V
C
INTG
2200pF
C5
0.1μF
C9
0.22μF
C6
0.47μF
VNEG -8V, 5mA
C10 2.2μF
R5
320k
R6
49.9k
C
REF
0.22μF
MAX1779
Figure 6. Typical Operating Circuit (L = 10µH)