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Product Detailed Parameters
- Description：LOW POWER ISOLATED FLYBACK CONVE
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Isolation：Isolated
- Internal Switch(s)：Yes
- Voltage - Breakdown：-
- Topology：Flyback
- Voltage - Start Up：5.2 V
- Voltage - Supply (Vcc/Vdd)：8V ~ 80V
- Duty Cycle：50%
- Frequency - Switching：400kHz
- Fault Protection：Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit, UVLO
- Control Features：EN, Soft Start
- Operating Temperature：-40°C ~ 125°C
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-HTSOP-J
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：-
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Overview
The BD7J101EFJ-LBE2 is a low-power isolated flyback converter IC manufactured by ROHM Semiconductor. It integrates a switching MOSFET and operates with an input voltage range of 8 V to 80 V. The device provides a single output channel capable of reaching up to 120 V. It functions at a fixed switching frequency of 400 kHz. The component supports surface mount installation in an HTSOP-J8 package. It is designed for operation within a temperature range of -40 °C to +125 °C.
Feature Summary
- Integrates a high-voltage switching MOSFET within the converter IC structure
- Provides galvanic isolation suitable for flyback topology applications
- Supports wide input voltage ranges up to 80 V
Applications
- Isolated power supplies for industrial equipment
- Power systems requiring high voltage secondary outputs
- Low power isolated DC/DC conversion modules
Procurement Notes
Verify the specific suffix LBE2 against the manufacturer's current datasheet to confirm package dimensions and tape/reel specifications. Ensure the ordering code matches the exact thermal and electrical requirements for the target application. Cross-reference the RoHS compliance status with the latest product change notices issued by ROHM Semiconductor prior to final procurement.
Selection Notes
Select this component when an integrated solution for isolated flyback conversion is required. The internal MOSFET simplifies design by reducing external component count. Consider the 400 kHz switching frequency for trade-offs between efficiency and passive component size. Verify that the 120 V output capability aligns with the load requirements and insulation standards of the end system.
Part Context
This part belongs to the BD7J series of isolated flyback converters from ROHM Semiconductor. These devices are engineered for applications demanding reliable isolation with minimal external circuitry. The integration of the power switch distinguishes them from controller-only alternatives, offering a compact footprint in the HTSOP-J8 package for space-constrained designs.
Replacement Considerations
Consult ROHM Semiconductor documentation for direct pin-compatible substitutes within the BD7J series. Verify electrical parameters such as input voltage limits and switching frequency when considering alternative models.
