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LTC1697 - High Efficiency Low Power 1W CCFL Switching Regulator

Datasheet Summary

Features

  • Operates from Single Li-Ion Battery.
  • 2.8V to 5.5V Input Voltage Range.
  • Very Low Shutdown Current:.

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Datasheet preview – LTC1697

Datasheet Details

Part number LTC1697
Manufacturer Linear
File Size 99.58 KB
Description High Efficiency Low Power 1W CCFL Switching Regulator
Datasheet download datasheet LTC1697 Datasheet
Additional preview pages of the LTC1697 datasheet.

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Full PDF Text Transcription

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U U LTC1697 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 Computers ■ 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 maximizes efficiency and dimming range.
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