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EUP3618 - Charge Pump Flash LED Driver

General Description

The EUP3618 is a large-current charge pump designed specifically for white LEDs used in camera flash applications.

Only one small bucket capacitor is required to develop the output drive, providing a low EMI solution compared with inductive boost regulators.

Key Features

  • Input Voltage Range.
  • 2.7V to 5.5V Flash and Movie.
  • Two Selectable Modes Up to 700mA Output Current.
  • Flash Mode Flash Mode Safety Timer Shut-Off 1X and 2X Automatic Mode for High Efficiency External Flash Control Pin for Synchronization to a Camera Module or Graphics Controller Short-Circuit, Over-Voltage, Over-Current and Over-Temperature Protection Soft-Start Functionality 3mm × 3mm TDFN-10 Package RoHS Compliant and 100% Lead (Pb)-Free Halogen-Free.

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Datasheet Details

Part number EUP3618
Manufacturer Eutech
File Size 271.28 KB
Description Charge Pump Flash LED Driver
Datasheet download datasheet EUP3618 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary EUP3618 Charge Pump Flash LED Driver with Safety Timer DESCRIPTION The EUP3618 is a large-current charge pump designed specifically for white LEDs used in camera flash applications. Only one small bucket capacitor is required to develop the output drive, providing a low EMI solution compared with inductive boost regulators. The EUP3618 has two operation modes: Flash mode and Movie mode. In Flash mode, the EUP3618 is capable of delivering 500mA of regulated current for a duration of 500ms or up to 700mA for a reduced duration. A safety timer is also included to ensure the LED can not be on indefinitely and overheat. The EUP3618 is available in a 10-pin TDFN package. FEATURES Input Voltage Range — 2.7V to 5.