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MP24894 - Step-Down WLED-Current Controller

Description

The MP24894 is a high-efficiency step-down controller.

It is designed to operate in continuous current mode (CCM) to power LEDs of high-brightness with a wide input voltage range of 6V to 60V.

Features

  • Wide 6V to 60V Input Range.
  • Able to Drive >1A LED Load.
  • Hysteresis Control.
  • High Efficiency (>95%).
  • 2500:1 PWM Dimming Ratio.
  • Open LED Protection.
  • Short LED Protection.
  • Thermal Shutdown.

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Datasheet preview – MP24894

Datasheet Details

Part number MP24894
Manufacturer MPS
File Size 572.58 KB
Description Step-Down WLED-Current Controller
Datasheet download datasheet MP24894 Datasheet
Additional preview pages of the MP24894 datasheet.

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Full PDF Text Transcription

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MP24894 Step-Down WLED-Current Controller with Wide 6V to 60V Input Voltage DESCRIPTION The MP24894 is a high-efficiency step-down controller. It is designed to operate in continuous current mode (CCM) to power LEDs of high-brightness with a wide input voltage range of 6V to 60V. The MP24894 employs a hysteretic control architecture that accurately regulates LED current with a feedback coming from an external high-side current-sense resistor. This control scheme optimizes circuit stabilization and fast response time without loop compensation. Its low 200mV average feedback voltage reduces power loss and improves the converter’s efficiency. The MP24894 implements PWM and analog dimming together through the EN/DIM pin.
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