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ROHM BM2P0391Z PWM Converter

The PWM type DC/DC converter BM2P0391 with integrated 650V MOSFET provides efficient power conversion for low-power electrical devices. It features frequency hopping for EMI reduction, burst operation during light load, and a fixed oscillation frequency of 100kHz. Suitable for AC adapters, household appliances such as vacuum cleaners, humidifiers, air conditioners, and cooking heaters. Built-in protection functions include undervoltage lockout, overvoltage, short, open, and overload protections. It incorporates start-up circuitry, frequency reduction, and thermal shutdown for reliable operation in various applications.

Authorized Distributors
Source:Newark
Part No:BM2P0391-Z
Stock:125
Inv Date:06-09-2026
Price: Unit price: $1.14
Buy/RFQ:
Source:DigiKey
Part No:BM2P0391-Z
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.97442
Buy/RFQ:
Part No:BM2P0391-Z
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.974
Buy/RFQ:

ROHM BM2P0391Z PWM Converter Specifications:

  • Operating Power Supply Voltage Range: VCC 8.9V to 26.0V, DRAIN up to 650V
  • Operating Current: Normal Mode 1.000mA (Typ), Burst Mode 0.400mA (Typ)
  • Oscillation Frequency: 400kHz (Typ), fixed system
  • Frequency hopping width: 6.0kHz, fluctuation frequency: 125Hz
  • Switching Frequency: 100kHz (Typ), with frequency reduction in light load
  • Maximum duty cycle: 75%
  • Start circuit tolerates 650V, consumes less power during startup
  • Protection Circuits: UVLO, OVP, source open/shut, overload, thermal shutdown
  • Input Voltage: VCC 8.9V to 26.0V, DRAIN up to 650V

Buy the ROHM BM2P0391 – Reliable PWM DC/DC Converter for Industrial Applications

Purchase the ROHM BM2P0391 PWM converter now to ensure efficient and reliable power conversion for your household or industrial electronic projects. Featuring built-in protection functions, frequency hopping for EMI reduction, and light load burst operation, this module delivers optimal performance while minimizing power consumption. Its robust start circuit tolerates up to 650V, making it suitable for AC adapters, household appliances, and low-power electronics. Order online today and enhance your device's power efficiency with this advanced PWM controller.

Order your ROHM BM2P0391 PWM DC/DC converter today and equip your electrical devices with high-efficiency power management solutions.

Frequently Asked Questions

Where can I buy ROHM BM2P0391Z?

You can click on the BUY or RFQ button to purchase BM2P0391Z from an authorized ROHM distributor.

How do I troubleshoot issues or seek technical support for part BM2P0391Z?

You can download the BM2P0391Z datasheet or visit the ROHM website for support.

Who is the manufacturer of BM2P0391Z?

ROHM

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