Datasheet

MAX1748/MAX8726
Triple-Output TFT-LCD
DC-DC Converters
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C
REF
0.22μF
C
INTG
470pF
R4 49.9kΩ
R3
670kΩ
0.1μF
6.8μH
V
IN
= 3.0V
SHDN RDY
V
POS
=
+15V, 10mA
R2 10kΩ
R1 70kΩ
R
COMP
5kΩ
C
COMP
6.8nF
V
MAIN
= +10V, 200mA
C
OUT
10μF
IN LX
FB
SUPN
SUPP
DRVP
FBP
PGND
DRVN INTG TGND GND
MAX1748 MAX8726
0.1μF
1.0μF
R5
200kΩ R6
49.9kΩ
V
NEG
= -5V, 20mA
FBN REF
0.1μF
0.1μF
1.0μF
0.1μF
3.3μF
100kΩ
Typical Operating Circuit