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Product Detailed Parameters
- Description：IC REG FLYBACK 850A 7DIPK
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tube
- Function：-
- Output Configuration：Positive
- Topology：Flyback
- Output Type：-
- Number of Outputs：1
- Voltage - Input (Min)：12V
- Voltage - Input (Max)：16.2V
- 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：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm), 7 Leads
- Supplier Device Package：7-DIPK
- Grade：-
- Qualification：-
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Overview
The BM2P151S-Z is a non-isolated PWM DC/DC converter IC with an integrated switching MOSFET, designed for AC/DC applications. It features a fixed switching frequency of 65 kHz and supports an input voltage range of 12 V to 16.2 V. The device incorporates a built-in 650 V startup circuit and current detection resistor for compact design. Key electrical parameters include a maximum drain voltage of 650 V, an on-resistance of 1.5 Ω, and an operating temperature range from -40 °C to 105 °C.
Feature Summary
- Integrates a 650 V super junction MOSFET and startup circuit for simplified design
- Employs current mode control with per-cycle current limiting for excellent transient response
- Includes frequency hopping functionality to reduce electromagnetic interference
- Supports burst operation at light load to enhance efficiency
Applications
- Power systems for products equipped with power sockets
- Non-isolated high-efficiency converter designs
- Low-power AC/DC conversion systems
Procurement Notes
Verify the specific suffix 'S' against official ROHM documentation to confirm package type and pinout compatibility. Ensure the application environment remains within the specified -40 °C to 105 °C operating temperature range. Confirm that the 12 V to 16.2 V input voltage window aligns with the system requirements. Check for RoHS compliance status in the latest datasheet before integration.
Selection Notes
Select this component for non-isolated topologies requiring integrated power switching. The fixed 65 kHz frequency and current mode control suit designs prioritizing bandwidth and transient performance. The internal current detection resistor facilitates compact layouts compared to external resistor solutions. Consider the DIP7K package constraints for thermal management in enclosed spaces.
Part Context
This part belongs to the BM2P series of PWM DC/DC converter ICs manufactured by ROHM Semiconductor. The series targets efficient power supply designs for consumer electronics and socket-equipped devices. The BM2P151S-Z specifically addresses non-isolated applications, distinguishing it from insulated variants within the broader product family.
Replacement Considerations
BM2P151W-Z: Similar specifications but may differ in package or on-resistance values. BM2P151X-Z: Comparable performance with potential variations in internal resistance. Verify exact electrical parameters and pin compatibility before substitution.
