Product Introduction

BM0150HV is the monolithic IC designed for step-down LED driver capable of driving 1.8A-3.3A load without additional transistor. The input voltage range is up to 60V. Its feedback voltage, VFB, is 200mV. The chip operates at a switching frequency of 52kHz. The external shutdown function is controlled by a logic level on the ON/OFF pin and then the circuit comes into the standby mode with ISTBY~50µA (typ.). The ON/OFF pin may be used for the analog dimming. As the voltage on the ON/OFF pin is increased from 0.07V to 0.67V, the voltage on the FB pin falls from 200mV to 0. The self-protection features include a cycle-by-cycle current limit and a thermal protection. BM0150HV is available in standard TO-263,TO252 and PSOP-8 with power pad package.

   Product Features

VIN Max = 60V

VFB = 200mV, Iq < 3mA

ILED up to 3.5A with TO263-5L

ILED up to 2.1A with PSOP-8L

ILED up to 2.8A with TO-252-5L

On/Off input may be used for the Analog

Dimming , low=ON

Thermal protection

Cycle-by-cycle current limit

  Product Applications

DC/DC LED driver applications 

Backlighting for flat panel displays 

General purpose constant current source 

52KHZ,no noise to Automotive-CAR audio 

Chargers

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