ZSP4491
Description
The ZSP4491 electroluminescent lamp driver provides designers of cell phones PDA’s and other handheld, portable electronic devices with an integrated solution for driving two EL lamps independently or concurrently.
Key Features
- Single IC drives 2 EL lamps for backlighting
- Cell phone keypad and LCD
- Multi-color EL lamps
- Multi-segment EL lamps
- Control over lamp-A and lamp-B for independent or concurrent operation
- +2.2V to +5.0V battery operation
- Single coil used to generate high voltage AC
- Low power standby mode draws 100nA typical
- A single resistor controls the internal oscillator
- DC-AC inverter produces typical 180VPP
Applications
- Cellular phones
