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Product Detailed Parameters
- Description：IC REG BUCK 1.5V 3A 8HTSOP-J
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：2.69V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.5V
- Voltage - Output (Max)：-
- Current - Output：3A
- Frequency - Switching：2.25MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 125°C (TJ)
- 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 BD90535EFJ-CE2 is a synchronous buck DC-to-DC converter IC manufactured by ROHM Semiconductor. It features a fixed 1.5V output voltage and supports up to 3A of continuous output current. The device operates with an input voltage range from 2.69V to 5.5V and utilizes a switching frequency of 2.25MHz. It is housed in an 8-HTSOP-J package with exposed pad for thermal management. The component functions within a junction temperature range of -40°C to 125°C.
Feature Summary
- Integrated synchronous rectification for improved efficiency
- Fixed 1.5V output configuration
- Supports high continuous output current capability
Applications
- Industrial applications requiring step-down conversion
- Embedded systems power supply design
- General purpose DC-DC regulation
Procurement Notes
Verify component status as the source indicates this part may be obsolete or no longer manufactured. Confirm availability through authorized distributors or check for valid replacement part numbers if production has ceased. Ensure the specific suffix matches required packaging and qualification standards before ordering.
Selection Notes
Select this component when a fixed 1.5V output is required with up to 3A load capacity. Ensure the input voltage does not exceed 5.5V. Consider the 8-HTSOP-J package size constraints and thermal requirements for the application environment. Verify compatibility with the 2.25MHz switching frequency regarding EMI and filter design.
Part Context
This part belongs to the BD9053x series of synchronous buck regulators from ROHM. It is designed for compact power solutions where fixed voltage outputs are sufficient. The series targets industrial and general-purpose electronics, offering integrated power MOSFETs to minimize external component count.
Replacement Considerations
Source material identifies BD90521EFV-CE2 and BD90541MUV-CE2 as related products. Verify electrical compatibility and pinout alignment before substitution due to potential differences in current rating or package type.
