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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A TO220FP-5
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tray
- 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：Through Hole
- Package / Case：TO-220-5 Full Pack
- Supplier Device Package：TO-220FP-5
- Grade：-
- Qualification：-
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Overview
The BD9703T is a single-channel step-down switching regulator manufactured by ROHM Semiconductor, designed for PWM operation with an integrated Pch MOS FET. It supports an input voltage range of 8 V to 35 V and provides an adjustable output voltage from 1 V to 32 V. The device delivers a maximum output current of 1.5 A at a switching frequency of 300 kHz. Operating temperatures span from -40°C to +85°C. Packaged in a TO-220FP-5 through-hole format, it utilizes Bi-CMOS process technology to achieve low operating current of 4 mA (typical) and standby current of 0 µA (typical).
Feature Summary
- Integrates a Pch power MOSFET to ensure high efficiency in small load areas.
- Utilizes Bi-CMOS process technology to minimize operating and standby currents.
- Features a shutdown function for enhanced power management capabilities.
Applications
- Industrial equipment power supplies
- Consumer electronics DC-DC conversion
- General-purpose step-down voltage regulation
Procurement Notes
Verify component authenticity due to end-of-life status. Confirm RoHS compliance and REACH SVHC declarations via official datasheets. Check for authorized distributors as stock may be limited. Ensure package integrity matches TO-220FP-5 specifications during receipt inspection.
Selection Notes
Select this model for applications requiring through-hole mounting and robust thermal performance. Compare against surface-mount variants like the BD9703FP-E2 if PCB space is constrained. Verify that the 300 kHz switching frequency aligns with EMI requirements and inductor selection constraints for the target design.
Part Context
This component belongs to the BD9703 series of single-chip type switching regulators with built-in FETs. It shares core electrical characteristics with other package variants such as the BD9703FP and BD9703CP-V5, differing primarily in physical footprint and mounting style suitable for different assembly processes.
Replacement Considerations
Official substitutes include BD9703FP-E2 and BD9703CP-V5-E2. These alternatives share identical electrical parameters but differ in package type (TO-252-5 or TO-220-5). Physical layout changes are required when transitioning between these packages.
