MT7210 MAXIC | Alldatasheet

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Technical content

Maximizing IC Performance 400V Step-down high brightness LED driver Tel: 86-10-62662828 Copy right © 2017 Maxic Technology Corporation Page 1

DESCRIPTION

MT7210 is a continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the total LED chain voltage. The device operates with a wide input supply voltage up to 400V and provides an externally adjustable output current, and it is suitable for high-input-voltage and high-output- power applications. MT7210 is used to drive external power MOSFET. It sets the average output current by the low-side output current sense circuit. MT7210 provides various protection features to improve the system reliability, including over temperature regulation (OTR), and over temperature shutdown (OTP), LED short/open protection, etc. Typical Application Circuit

FEATURES

 Wide input voltage range: 6.5V ~ 400V  Few external components  Built-in VIN line compensation  Proprietary frequency Jitter technique to reduce EMI  High efficiency (up to 97%)  Adjustable constant output current  Up to 2.5MHz switching frequency  Over temperature regulation (OTR)  Inherent open/short-circuit LED protection  High accuracy output current (±3%)  Available in SOT23-5 packages APPLICATION  Automotive lighting  General purpose constant current source