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SP7685 - Buck/Boost Charge Pump LED Driver

Datasheet Summary

Description

The SP7685 is a current-regulated charge pump ideal for powering high brightness LEDs for camera flash applications.

The charge pump can be set to regulate two current levels for FLASH and TORCH modes.

Features

  • Output Current up to 1.2A.
  • Up to 94% Efficiency in Torch Mode.
  • Adjustable FLASH Mode Current.
  • Minimum External Components: No Inductors.
  • Automatic Buck/Boost Mode Switchover.
  • Wide VIN Range: 2.7V to 5.5V.
  • High Frequency Operation: 2.4 MHz.
  • 50mV Reference for low Loss Sensing.
  • IQ < 2μA in Shutdown.
  • PWM Dimming Control.
  • Automatic Soft Start Limits Inrush Current.
  • Overvoltage Protection on Output.
  • Overcurrent/temperature Protection.

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Datasheet preview – SP7685

Datasheet Details

Part number SP7685
Manufacturer Sipex Corporation
File Size 298.95 KB
Description Buck/Boost Charge Pump LED Driver
Datasheet download datasheet SP7685 Datasheet
Additional preview pages of the SP7685 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com SP7685 1.2A Buck/Boost Charge Pump LED Driver FEATURES ■ Output Current up to 1.2A ■ Up to 94% Efficiency in Torch Mode ■ Adjustable FLASH Mode Current ■ Minimum External Components: No Inductors ■ Automatic Buck/Boost Mode Switchover ■ Wide VIN Range: 2.7V to 5.5V ■ High Frequency Operation: 2.4 MHz ■ 50mV Reference for low Loss Sensing ■ IQ < 2μA in Shutdown ■ PWM Dimming Control ■ Automatic Soft Start Limits Inrush Current ■ Overvoltage Protection on Output ■ Overcurrent/temperature Protection ■ Low Ripple and EMI ■ Ultra-low Dropout Voltage in Buck Mode ■ 2.
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