Rainbow Electronics MAX1779 - Manual (Page 17)

MAX1779
Low-Power Triple-Output TFT LCD DC-DC
Converter
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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) 4.7
µ
F
V
MAIN
= +5.0V
C3
0.1
µ
F
C4 0.47
µ
F
V
POS
+12V, 5mA
C8 2.2
µ
F
R3
430k
R4 49.9k
C7
0.22
µ
F
10
µ
H
C11
0.1
µ
F
R
RDY
100k
C
IN
(2) 4.7
µ
F
V
IN
= +3.3V
C
INTG
2200pF
C5
0.1
µ
F
C9
0.22
µ
F
C6
0.47
µ
F
VNEG -8V, 5mA
C10 2.2
µ
F
R5
320k
R6
49.9k
C
REF
0.22
µ
F
MAX1779
Figure 6. Typical Operating Circuit (L = 10µH)