Rainbow Electronics MAX754 - Manual (Page 16)

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
16 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600
© 1995 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
MAX753/MAX754
CCFL Backlight and
LCD Contrast Controllers
MAX753/MAX754
LOGIC
CON CADJ
4 5
PGND GND
12 6
5-BIT
D/A CONVERTER
6-BIT
D/A CONVERTER
ERROR
AMPLIFIER
PULSE-SKIP
COMPARATOR
10
9
8 CFB
16 LFB
13 LDRV
LADJ LON BATT LX
14 15 3 2
CC
CS
REF
5-BIT
COUNTER
PRESET CLK
CONTROL
CONTROL
6-BIT
COUNTER
PRESET CLK
ON-TIME
LOGIC
OFF-TIME
LOGIC
1
V DD
7
REF
11
CDRV
_____________________Block Diagram
CDRV
PGND
LDRV CADJ
GND
CON
LON
LADJ
V DD
LFB
BATT
LX
CC
CS
REF
CFB
0.112"
(2.845mm)
0.076"
(1.930mm)
___________________Chip Topography
TRANSISTOR COUNT: 321;
SUBSTRATE CONNECTED TO V DD .