UCC1972
UCC1972 is BiCMOS Cold Cathode Fluorescent Lamp Driver Controller manufactured by Unitrode.
UCC1972/3 UCC2972/3 UCC3972/3
BiCMOS Cold Cathode Fluorescent Lamp Driver Controller
Features
- 1mA Typical Supply Current
- Accurate Lamp Current Control
- Analog or Low Frequency Dimming
Capability
- Open Lamp Protection
- Programmable Startup Delay
- 4.5V to 25V Operation
- PWM Frequency Synchronized to
External Resonant Tank
- 8 Pin TSSOP and SOIC Packages Available
- Internal Voltage Clamp Protects Transformer from Over-voltage (UCC3973)
TYPICAL APPLICATION CIRCUIT
DESCRIPTION
Design goals for a Cold Cathode Fluorescent Lamp (CCFL) converter used in a notebook puter or portable application include small size, high efficiency, and low cost. The UCC3972/3 CCFL controllers provide...
