DS3988T+T&R Maxim Integrated Products, DS3988T+T&R Datasheet - Page 23

• Manufacturer Part Number: DS3988T+T&R
• Description: Display Drivers 8-Ch CCFL Controller All N-FET Drive, La
• Manufacturer: Maxim Integrated Products

Specifications of DS3988T+T&R

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 23
© 2005 Maxim Integrated Products
Figure 12. Typical Operating Circuit
Note 14: Only one channel shown to simplify drawing.
Note 15: See the Component Selection section for recommended external components.
TRANSISTOR COUNT: 70,200
SUBSTRATE CONNECTED TO: Ground
INTERNAL LAMP FREQUENCY OUTPUT
CONFIGURATION
SEE NOTES 14, 15.
EXTERNAL LAMP FREQUENCY INPUT/
R3
INTERNAL DIGITAL PWM OUTPUT
EXTERNAL DIGITAL PWM INPUT/
R4
PORT
is a registered trademark of Dallas Semiconductor Corporation.
ANALOG BRIGHTNESS
R5
R6
V
CC
R7
Chip Information
BRIGHT
PSYNC
LSYNC
POSC
SDA
SCL
A0
LOSC
FAULT
DS3988
Printed USA
LCMn
OVDn
SVM
GND
GAn
GBn
V
SUPPLY VOLTAGE
CC
Fluorescent Lamp Controller
(5V ±10%)
C1
C5
8-Channel Cold-Cathode
R2
R1
For the latest package outline information, go to
www.maxim-ic.com/DallasPackInfo.
DUAL POWER
is a registered trademark of Maxim Integrated Products, Inc.
MOSFET
Typical Operating Circuit
SUPPLY VOLTAGE
(5V ±10% TO
24V ±10%)
LAMP VOLTAGE MONITOR
LAMP CURRENT MONITOR
Package Information
TRANSFORMER
C4
C2
C3
CCFL LAMP
R8