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MT7636 - LED Current Ripple Remover

Datasheet Summary

Description

MT7636 is a controller for removing the 100/120Hz LED current ripple on high PF pre-driver circuit.

The adaptive technology of MT7636 ensures minimum power dissipation while removing LED current ripple.

MT7636 can drive a single LED string with the external MOSFET.

Features

  • Removing 100/120Hz ripple curre.

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Datasheet preview – MT7636

Datasheet Details

Part number MT7636
Manufacturer Maxic Technology
File Size 752.52 KB
Description LED Current Ripple Remover
Datasheet download datasheet MT7636 Datasheet
Additional preview pages of the MT7636 datasheet.

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Full PDF Text Transcription

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Maximizing IC Performance MT7636 LED Current Ripple Remover DESCRIPTION MT7636 is a controller for removing the 100/120Hz LED current ripple on high PF pre-driver circuit. The adaptive technology of MT7636 ensures minimum power dissipation while removing LED current ripple. MT7636 can drive a single LED string with the external MOSFET. MT7636 clamps the input voltage on VDD pin by 15V, and clamps the internal maximum current by 15mA. Only one resistor is connected between VDD and Vin+, when the clamping current is too high, which is caused by large input voltage (exceeding 15V). MT7636 can flexibly adjust LED peak current by the sensing resistor between the MOSFET source and ground, which avoids the LED and the MOSFET damaged when LED short connected or hot plug.
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