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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A TO252-5
- 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)：8V
- Voltage - Input (Max)：35V
- Voltage - Output (Min/Fixed)：1V
- Voltage - Output (Max)：32V
- Current - Output：1.5A
- Frequency - Switching：300kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-252-5, DPAK (4 Leads + Tab), TO-252AD
- Supplier Device Package：TO-252-5
- Grade：-
- Qualification：-
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Overview
The BD9703FP-E2 is a single-channel step-down switching regulator IC manufactured by Rohm Semiconductor. It operates with an input voltage range of 8V to 35V and provides an adjustable output voltage from 1V to 32V. The device supports a maximum output current of 1.5A at a fixed switching frequency of 300kHz. It utilizes a non-synchronous buck topology with an integrated Pch MOS FET. The component is housed in a TO-252-5 (DPAK) surface-mount package and functions within an operating temperature range of -40°C to +85°C.
Feature Summary
- Integrates a Pch power MOSFET and controller for high efficiency in small load areas
- Utilizes Bi-CMOS process technology to achieve low operating and standby currents
- Provides simple step-down regulation with adjustable output voltage capability
Applications
- Industrial applications requiring compact step-down power solutions
- Systems utilizing industrial application design models for thermal management
- General purpose DC-DC conversion where space constraints exist
Procurement Notes
Verify the current lifecycle status before integration, as official sources indicate this specific part number may be classified as end-of-life or final sale. Confirm availability through authorized distributors, noting that standard packaging quantities may apply. Ensure compliance with RoHS and REACH regulations as specified in the manufacturer documentation prior to procurement.
Selection Notes
Select this component when a non-synchronous buck converter with an integrated power switch is required for inputs up to 35V. The fixed 300kHz frequency simplifies external component selection compared to variable frequency alternatives. Consider the TO-252-5 package for thermal performance if higher current densities are expected within the 1.5A limit.
Part Context
This device belongs to the BD9703 series of single-chip switching regulators. It shares architectural similarities with related models such as the BD9701 and BD9702, which offer different current ratings but similar operational principles. The series is designed for applications prioritizing simplicity and efficiency in step-down configurations.
Replacement Considerations
Publicly confirmed substitute part numbers are not explicitly listed in the provided source material. Consult the manufacturer's discontinuance notification or cross-reference guides for verified alternatives.
