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ROHM BM531Q11Z White LED Driver

The BM531Q11 is a high-efficiency white LED driver designed for large LCD backlighting, employing quasi-resonant switching with built-in 250V MOSFET. Operating within 9.0V to 35.0V supply voltage and capable of a maximum frequency of 400kHz, it supports PWM and analog dimming, overvoltage, undervoltage, and short-circuit protections. It is suitable for applications like TVs and computer displays, offering reliable performance with features such as leading-edge-blanking, source overload protection, and thermal shutdown. Its compact DIP7AK package measures approximately 9.20mm x 6.35mm x 4.30mm.

Authorized Distributors
Source:DigiKey
Part No:BM531Q11-Z
Stock:218
Inv Date:06-09-2026
Price: Unit price: $2.64
Buy/RFQ:
Part No:BM531Q11-Z
Stock:1981
Inv Date:06-10-2026
Price: Unit price: $1.77
Buy/RFQ:

ROHM BM531Q11Z White LED Driver Specifications:

  • Supply Voltage Range: 9.0V to 35.0V
  • Maximum Operating Frequency: 400kHz
  • DIP7AK Package: 9.20mm x 6.35mm x 4.30mm
  • Built-in 250V MOSFET
  • LED Operating Current: 700mA (typ.)
  • Operating Temperature Range: -40°C to +105°C
  • Protection Functions: Overvoltage, undervoltage, overcurrent, thermal shutdown
  • Pin Configuration: SOURCE, ADIM, GND, ZT, PWM, VCC, DRAIN
  • Supports PWM and analog dimming control signals
  • Applications: LCD backlighting in TVs, monitors, and displays

Buy the ROHM Series BM531Q11 LED Driver: 9.0V-35V, 400kHz, 250V MOSFET

Enhance your electronic projects with the ROHM Series BM531Q11 LED Driver, a compact and highly efficient solution designed for large LCD backlighting. Featuring a built-in 250V MOSFET, supporting PWM and analog dimming, and operating from 9V up to 35V, it guarantees stable illumination performance. Its protection features include overvoltage, undervoltage, overcurrent, and thermal shutdown, making it suitable for TVs, monitors, and display devices. Easy to integrate, this driver ensures dependable, energy-efficient LED operation for professional or hobbyist applications.

Order your ROHM Series BM531Q11 LED Driver today and ensure reliable, high-efficiency LCD backlighting for large displays with built-in protections and versatile dimming.

Frequently Asked Questions

Where can I buy ROHM BM531Q11Z?

You can click on the BUY or RFQ button to purchase BM531Q11Z from an authorized ROHM distributor.

How do I troubleshoot issues or seek technical support for part BM531Q11Z?

You can download the BM531Q11Z datasheet or visit the ROHM website for support.

Who is the manufacturer of BM531Q11Z?

ROHM

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