LTC1697
LTC1697 is manufactured by Linear Technology.
High Efficiency Low Power 1W CCFL Switching Regulator
Features
- Operates from Single Li-Ion Battery
- 2.8V to 5.5V Input Voltage Range
- Very Low Shutdown Current: <2µA
- Synchronous Buck Architecture for High Efficiency
- PWM Dimming Frequency Adjustable with a Single
Capacitor
- Accurate Lamp Current Maximizes Lamp Lifetime
- Fixed Frequency Operation at 300kHz
- Internal or External PWM Dimming
- Small 10-Pin MSOP Package
U APPLICATIO S
- PDAs
- Handheld puters
- Portable Instruments
- Handheld GPS with Map Display
- Handheld TV/Video Monitor
DESCRIPTIO
The LTC®1697 is designed to control a single 1W cold cathode fluorescent lamp (CCFL). An internal PWM dimming system...
