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Product Detailed Parameters
- Description：IC REG FLYBACK 850A 8SOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：-
- Output Configuration：Positive
- Topology：Flyback
- Output Type：-
- Number of Outputs：1
- Voltage - Input (Min)：10.2V
- Voltage - Input (Max)：26V
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：850µA
- Frequency - Switching：65kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOP
- Grade：-
- Qualification：-
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Overview
The BM2P074KF-GE2 is a PWM type DC/DC converter IC featuring an integrated 800V MOSFET. It operates with a supply voltage range of 10.2 V to 26 V and maintains a fixed switching frequency of 65 kHz. The device supports isolated and non-isolated topologies, accommodating both configurations for low-power converter designs. It utilizes current mode control for per-cycle current limiting and includes burst operation for light load efficiency. The component is housed in an SOP-8 package and functions within a temperature range of -40°C to +105°C.
Feature Summary
- Integrates an 800V耐压 MOSFET and start circuit to simplify design and reduce external components.
- Employs current mode control with per-cycle current limiting for superior bandwidth and transient response.
- Includes frequency reduction and built-in frequency hopping functions to enhance efficiency and minimize EMI.
- Supports both isolated and non-isolated applications for flexible power system architecture.
Applications
- Low-power AC/DC converters for devices with power sockets
- Non-isolated high-efficiency converter designs
- General purpose isolated power supplies
Procurement Notes
Verify the specific suffix GE2 against the manufacturer's latest datasheet to confirm pinout and thermal characteristics. Ensure the SOP-8 package dimensions align with your PCB footprint requirements. Confirm that the 800V drain voltage rating meets the peak voltage stresses of your target application circuit before finalizing procurement.
Selection Notes
Select this component when designing systems requiring an integrated high-voltage switch to minimize board space. The fixed 65 kHz frequency aids in filtering design compared to variable frequency alternatives. Consider the SOP-8 package constraints and verify that the 10.2 V minimum operating voltage suits your VCC generation scheme. Evaluate the need for burst mode efficiency if light-load performance is critical.
Part Context
This part belongs to the BM2P series of PWM DC/DC converter ICs from ROHM Semiconductor. The series is optimized for AC/DC conversion in equipment with power sockets. The BM2P074KF variant specifically distinguishes itself by integrating an 800V MOSFET, offering higher voltage tolerance than standard 650V variants in the same family.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by comparing electrical parameters such as Vmax (DrainMax) and switching frequency with alternative ROHM models like the BM2P094F or BM2P054F.
