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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A TO220CP-V5
- 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)：35V
- Current - Output：1.5A
- Frequency - Switching：110kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-220-5 Full Pack, Formed Leads
- Supplier Device Package：TO220CP-V5
- Grade：-
- Qualification：-
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Overview
The BD9873CP-V5E2 is a single-channel step-down switching regulator manufactured by ROHM Semiconductor. It operates with an input voltage range of 8 V to 35 V and delivers a maximum output current of 1.5 A. The device utilizes pulse width modulation (PWM) control mode and supports a maximum switching frequency of 330 kHz. It is housed in a TO-220 package with five pins and functions within an operating temperature range of -40 °C to +85 °C.
Feature Summary
- Integrates a built-in Pch MOS FET for high efficiency in small load areas
- Utilizes Bi-CMOS process technology to achieve low operating and standby currents
- Supports simple step-down switching regulator configurations
Applications
- General purpose power supply systems requiring efficient DC-DC conversion
- Embedded electronics utilizing PWM-controlled voltage regulation
- Industrial equipment operating within standard automotive-grade temperature ranges
Procurement Notes
Verify the specific suffix E2 against the manufacturer's datasheet to confirm compliance details and pinout configuration. Ensure the TO-220-5 package variant matches the thermal requirements of the target application. Cross-reference the part number with official ROHM documentation to validate availability and revision status before finalizing procurement orders.
Selection Notes
Select this component when a robust, single-output buck converter is required with integrated power switching capabilities. The fixed 330 kHz frequency suits applications where electromagnetic interference filtering is manageable. Consider the thermal performance of the TO-220 package for heat dissipation needs in enclosed environments compared to surface-mount alternatives.
Part Context
This part belongs to the BD9703 series of single-chip type switching regulators featuring built-in FETs. The series is designed for simple step-down applications using PWM operation. The CP-V5 designation indicates the specific through-hole package style and pin configuration used in this component variant.
Replacement Considerations
Consult official ROHM documentation for verified substitute part numbers. Generic equivalents may not match the specific Bi-CMOS process characteristics or built-in Pch MOS FET integration.
