DS3991Z+T&R/PPV Maxim Integrated Products, DS3991Z+T&R/PPV Datasheet - Page 12

• Manufacturer Part Number: DS3991Z+T&R/PPV
• Description: Display Drivers Low-Cost CCFL Contro ller All N-FET Drive
• Manufacturer: Maxim Integrated Products

Specifications of DS3991Z+T&R/PPV

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

Low-Cost CCFL Controller
12
PWM LAMP BRIGHTNESS
BURST-DIMMING FREQUENCY
CONTROL (OPTIONAL)
______________________________________________________________________________________
BRIGHTNESS CONTROL
LAMP FREQUENCY
SUPPLY VOLTAGE
RESISTOR SET
RESISTOR SET
ANALOG LAMP
(5V ±10%)
DEVICE
VCC
VCC
VCC
VCC
BRIGHT
PWM_EN
SLOPE
LOSC
POSC/PWM
DS3991
SVMH
OFF/RESET = CLOSED
SVML
LCM
OVD
GND
GA
GB
ON = OPEN
DUAL POWER MOSFET
Typical Operating Circuits
INVERTER SUPPLY VOLTAGE
(5V ±10% TO 24V ±10%)
TRANSFORMER
OVERVOLTAGE DETECTION
LAMP CURRENT MONITOR
Typical Push-Pull Application
CCFL
LAMP