BM2P131FK-LBZ

AC DC Converters, Offline Switchers Overview

The BM2P131FK-LBZ is a PWM type DC/DC converter IC from ROHM Semiconductor, designed for AC/DC conversion applications. It features an integrated switching MOSFET with a maximum drain voltage of 800V and operates at a fixed switching frequency of 100kHz. The device supports a supply voltage range from 10.9V to 30V, with a maximum duty cycle of 82%. It utilizes current mode control for precise regulation and includes protection features such as thermal shutdown and under-voltage lockout. The component is housed in a DIP-7 package and is rated for operation between -40°C and +105°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates an 800V耐压 super junction MOSFET for high-voltage handling
• Employs PWM current mode control with built-in frequency hopping to reduce EMI
• Supports burst operation at light loads to maintain high efficiency
• Includes auto restart protection for Vcc overvoltage and output short circuits

AC DC Converters, Offline Switchers Applications

• Industrial equipment auxiliary power supplies
• Low-power AC/DC converters requiring long-term supply support
• Non-isolated and isolated DC/DC converter designs

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix FK against official ROHM documentation to confirm pinout and electrical characteristics, as variations exist within the BM2P series. Ensure the DIP-7AK package dimensions match your PCB layout requirements. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.

AC DC Converters, Offline Switchers Selection Notes

Select this component for industrial applications requiring guaranteed long-term availability and robust performance. The 100kHz switching frequency offers a balance between size and efficiency. Consider the integrated 800V MOSFET for simplified design compared to discrete solutions. Evaluate the need for frequency hopping if strict EMI standards apply to the target system.

AC DC Converters, Offline Switchers Part Context

The BM2P131FK-LBZ belongs to the BM2P series of AC/DC converters from ROHM Semiconductor. This series is specifically targeted at industrial markets, emphasizing long-time support products. It complements other variants like the BM2P101HK-LBZ and BM2P103HK-LBZ, offering similar functional blocks but with specific parameter sets tailored for different power and frequency requirements.

AC DC Converters, Offline Switchers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Users should consult ROHM's official cross-reference tools or contact the manufacturer directly for compatible alternatives.