DS3991Z+PP Maxim Integrated Products, DS3991Z+PP Datasheet - Page 13

• Manufacturer Part Number: DS3991Z+PP
• Description: IC CTRLR CCFL PUSH-PULL 16-SOIC
• Manufacturer: Maxim Integrated Products
• Type: CCFL Controllerr

Specifications of DS3991Z+PP

• Frequency: 40 ~ 80 kHz
• Current - Supply: 5mA
• 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

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
Low-Cost CCFL Controller
Typical Operating Circuits (continued)
OVERVOLTAGE DETECTION
LAMP CURRENT MONITOR
INVERTER SUPPLY VOLTAGE
(5V ±10% TO 24V ±10%)
TRANSFORMER
Typical Half-Bridge Application
CCFL
LAMP
13