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FAN5645 - Indicator LED Blinker

Description

The FAN5645 is a flexible and compact solution for a blinking LED indicator.

The internal programmable blink algorithm eliminates any need for continual system processor control.

Features

  • Records and plays back blink patterns.
  • Single-wire digital control of LED blink rate and intensity.
  • Resistor-programmable LED maximum current.
  • High-side constant-current driver topology: - 20mA maximum output - 40mV typical dropout at 20mA.
  • 33µA operating current.
  • Standard 1.8V logic.
  • Short-circuit protection.
  • Thermal Shutdown Protection.
  • Under-Voltage Lockout Protection.
  • 6-pin 3.0 x 3.0mm MLP package.

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Full PDF Text Transcription

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FAN5645 — Indicator LED Blinker with Single-Wire Interface September 2007 www.datasheet4u.com FAN5645 Indicator LED Blinker with Single-Wire Interface Features ƒ Records and plays back blink patterns ƒ Single-wire digital control of LED blink rate and intensity ƒ Resistor-programmable LED maximum current ƒ High-side constant-current driver topology: - 20mA maximum output - 40mV typical dropout at 20mA ƒ 33µA operating current ƒ Standard 1.8V logic ƒ Short-circuit protection ƒ Thermal Shutdown Protection ƒ Under-Voltage Lockout Protection ƒ 6-pin 3.0 x 3.0mm MLP package Applications ƒ ƒ ƒ ƒ Cell Phones, Smart-Phones Pocket PCs, Bluetooth Headsets PDA, DSC, PMP, and MP3 Players Laptop Computers ® Description The FAN5645 is a flexible and compact solution for a blinking LED indicator.
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