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MT7261 - Boost White LED Driver

General Description

The MT7261 is a Boost constant current white LED driver designed for wide input voltage range from 2.5V to 30V system rail, drives up to 7X1W power with AC12V/DC12V input voltage.

Current mode and fixed frequency operation provides fast transient response and eases loop stabilization.

Key Features

  • 2.5V to 30V input/output voltage range.
  • High efficiency up to 95%.
  • Cycle by Cycle Over Current Protection.
  • Internal 0.2ohm power MOSFET.
  • LED temperature protection.
  • Stable with Low ESR Ceramic Capacitor.
  • OTP and OVP protection.
  • External setting over voltage protection.
  • Fixed switching frequency: 550KHz.
  • Low feedback voltage: 205mV.
  • Adjustable soft-start.
  • Support one pin analog dimming and up to 50Khz PWM dimming.
  • Available in SOP8.

📥 Download Datasheet

Datasheet Details

Part number MT7261
Manufacturer Maxic Technology
File Size 1.03 MB
Description Boost White LED Driver
Datasheet download datasheet MT7261 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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Maximizing IC Performance MT7261 Boost White LED Driver With High Frequency PWM Dimming DESCRIPTION The MT7261 is a Boost constant current white LED driver designed for wide input voltage range from 2.5V to 30V system rail, drives up to 7X1W power with AC12V/DC12V input voltage. Current mode and fixed frequency operation provides fast transient response and eases loop stabilization. With a current sense amplifier threshold of 205mV, the LED current is programmable with one external current sense resistor and the power loss is minimized. The 550KHz operating frequency minimizes external inductor, input and output capacitor. The MT7261 supports both PWM and analog dimming by a single control pin.