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BP1371 - 40V/1.2A High Dimming Ratio LED Constant Current Driver

Datasheet Summary

Description

The BP1371 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the total LEDs chain voltage.

Features

  • Simple low parts count.
  • Wide input voltage range: 5V to 40V.
  • Typical ±3% output current accuracy.
  • LED open-circuit protection.
  • LED short-circuit protection.
  • Up to 1.2A output current.
  • Single pin on/off and brightness control using DC voltage or PWM.
  • High efficiency (up to 97%).
  • Adjustable Constant LED Current BP1371 has a build-in power switch, based on different input voltage, BP1371 can drive several 1W or 3W LEDs. The device has the function of t.

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Datasheet Details

Part number BP1371
Manufacturer BPS
File Size 283.48 KB
Description 40V/1.2A High Dimming Ratio LED Constant Current Driver
Datasheet download datasheet BP1371 Datasheet
Additional preview pages of the BP1371 datasheet.

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Full PDF Text Transcription

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BP1371 40V/1.2A High Dimming Ratio LED Constant Current Driver GENERAL DESCRIPTION The BP1371 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the total LEDs chain voltage. With few outside components, BP1371 provides a high price performance ratio solution on the following applications: MR16 LEDs cup lighting, LEDs stage lighting, LEDs automotive lighting, LEDs solar lighting and LEDs Street lighting. The device operates from an input supply between 5V and 30V and the nominal average output current is set by an external resistant. The device provides an externally adjustable output current of up to 750mA for a single LED.
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