DS3992Z-18P+T&R Maxim Integrated Products, DS3992Z-18P+T&R Datasheet - Page 6

• Manufacturer Part Number: DS3992Z-18P+T&R
• Description: IC CCFL CNTRLR 2CH 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: CCFL Controllerr

Specifications of DS3992Z-18P+T&R

• Frequency: 40 ~ 80 kHz
• Current - Supply: 8mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Details

Two-Channel, Push-Pull CCFL Controller
Figure 1. DS3992 Functional Diagram
6
_____________________________________________________________________
BRIGHTNESS
RESISTOR DPWM
FREQUENCY SET
CONTROL
RESISTOR LAMP
FREQUENCY SET
ANALOG
EXTERNAL
EXTERNAL
BRIGHT
POSC
LOSC
OSCILLATOR (±10%)
OSCILLATOR (±10%)
90Hz TO 220Hz OR
40kHz TO 80kHz
180Hz TO 440Hz
[40kHz TO 80kHz]
DS3992
GENERATOR
RAMP
HANDLING
ENABLE /
SYSTEM
FAULT
x512
POR
PLL
[20.48MHz TO 40.96MHz]
90Hz TO 220Hz OR
CHANNEL FAULT
CHANNEL ENABLE
180Hz TO 440Hz
SIGNAL
DPWM
2.0V
UVLO
VREF
CONTROLLERS
(SEE FIGURE 2)
INDEPENDENT
CCFL
TWO
Functional Diagrams
V
[4.5V TO 5.5V]
SVM
SUPPLY VOLTAGE
MONITOR
LCMn
LAMP CURRENT
MONITOR
OVDn
OVERVOLTAGE
DETECTION
GAn
GBn
GND
CC
MOSFET
GATE DRIVERS