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Product Detailed Parameters
- Description：IC REG BUCK ADJ 5A 8HTSOP-J
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：7V
- Voltage - Input (Max)：76V
- Voltage - Output (Min/Fixed)：1V
- Voltage - Output (Max)：73.72V
- Current - Output：5A
- Frequency - Switching：100kHz ~ 650kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-HTSOP-J
- Grade：-
- Qualification：-
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Overview
The BD9G500EFJ-LAE2 is a single-channel synchronous buck DC-DC converter from ROHM Semiconductor, designed for industrial applications. It features an integrated high-side power MOSFET and supports an input voltage range of 7V to 76V. The device delivers a maximum output current of 5A with an adjustable switching frequency between 100kHz and 650kHz. Key electrical parameters include a minimum output voltage of 1V and a maximum of 68.4V. It operates within a temperature range of -40°C to 125°C and utilizes HTSOP-J8 packaging.
Feature Summary
- Integrated high-side MOSFET for compact design
- Current mode control for fast transient response
- Wide adjustable switching frequency range
- Comprehensive protection functions including OCP, UVLO, TSD, and OVP
Applications
- Industrial equipment power supplies
- 48V power systems
- 5G communication base stations
- Charging station infrastructure
Procurement Notes
Verify the specific suffix 'UEFJ' against the datasheet, as the primary reference document lists 'BD9G500EFJ-LAE2'. Confirm RoHS compliance status and ensure the ordering code matches the exact package variant required for your PCB layout. Check for any recent lifecycle notices regarding this specific revision.
Selection Notes
Select this component when a wide input voltage range up to 76V is required alongside high output current capabilities. The current mode control architecture simplifies phase compensation compared to voltage mode controllers. Ensure the thermal management solution accommodates the HTSOP-J8 package size and operating temperature limits for reliable performance in industrial environments.
Part Context
This part belongs to the BD9G500 series, which is positioned as a long-term supply product for the industrial market. It serves as a successor or alternative to the BD9G500EFJ-LA, offering identical technical specifications while potentially differing in manufacturing line or production efficiency optimizations. It is categorized under PMIC switching regulators.
Replacement Considerations
The BD9G500EFJ-LA is documented as having identical technical specifications and documentation. Designers transitioning from the EFJ variant should verify that the UE prefix change does not affect mechanical dimensions or pinout compatibility in their existing designs.
