DS3991Z+HB Maxim Integrated Products, DS3991Z+HB Datasheet - Page 12
![IC CTRLR CCFL HLF-BRDG 16-SOIC](/photos/6/66/66630/175-16-soic_sml.jpg)
DS3991Z+HB
Manufacturer Part Number
DS3991Z+HB
Description
IC CTRLR CCFL HLF-BRDG 16-SOIC
Manufacturer
Maxim Integrated Products
Type
CCFL Controllerr
Datasheet
1.DS3991ZHB.pdf
(16 pages)
Specifications of DS3991Z+HB
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
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