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MP3363 - Boost LED Driver

Description

The MP3363 is a fixed-frequency converter ideal for low-current and high-current boost applications.

The low 0.2V feedback voltage (VFB) offers higher efficiency in white LED driver applications.

The MP3363 regulates the output voltage (VOUT) up to 36V, with efficiency as high as 95%.

Features

  • Wide 1.8V to 36V Input Voltage Range.
  • 1A Peak Current Limit.
  • 0.5μA Shutdown Current.
  • Low 200mV Feedback Voltage (VFB).
  • 200kHz to 2.2MHz Configurable Switching Frequency (fSW).
  • Internal 100mΩ, 40V Power Switch.
  • High Efficiency.
  • Analog Dimming and Pulse-Width Modulation (PWM) Dimming.
  • Under-Voltage Lockout (UVLO) Protection.
  • Open/Short LED Protection.
  • Short FB to GND Protection.
  • Soft Start.
  • Thermal Shutdown (TSD).
  • Available in.

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Full PDF Text Transcription

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MP3363 Single-String, 1.8V Minimum VIN, 36V VOUT Boost LED Driver DESCRIPTION The MP3363 is a fixed-frequency converter ideal for low-current and high-current boost applications. The low 0.2V feedback voltage (VFB) offers higher efficiency in white LED driver applications. The MP3363 regulates the output voltage (VOUT) up to 36V, with efficiency as high as 95%. Current mode regulation and external compensation components allow the MP3363 control loop to be optimized across a wide variety of input voltages. The MP3363 supports analog dimming and pulse-width modulation (PWM) dimming on same pin. An input PWM signal with dimming frequency below 2kHz initiates PWM dimming, while an input PWM signal with dimming frequency above 5kHz initiates analog dimming.
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