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Product Detailed Parameters
- Description：IC REG BUCK ADJ 800MA 8MSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1V
- Voltage - Output (Max)：2.5V
- Current - Output：800mA
- Frequency - Switching：1MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-25°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-VSSOP, 8-MSOP (0.110", 2.80mm Width)
- Supplier Device Package：8-MSOP
- Grade：-
- Qualification：-
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Overview
The BD8966FVM-TR is a synchronous buck switching regulator IC manufactured by Rohm Semiconductor. It features an adjustable output voltage range from 1V to 2.5V with a maximum output current of 800mA. The device operates within an input voltage range of 4V to 5.5V and supports a switching frequency of 1MHz. Packaged in an 8-MSOP (8-VSSOP) surface-mount case, it functions as a positive single-output DC-DC converter. The component is rated for an operating temperature range of -25°C to +85°C.
Feature Summary
- Synchronous rectification topology for improved efficiency
- Adjustable output voltage control via external resistor divider
- Integrated power MOSFETs for compact design
Applications
- Portable electronic devices requiring efficient step-down regulation
- Battery-powered systems needing stable low-voltage rails
- Embedded circuits utilizing 3.3V or 5V input sources
Procurement Notes
Verify the specific suffix FVM against the manufacturer's latest datasheet to confirm package dimensions and pinout compatibility. Confirm RoHS3 compliance status if required by environmental regulations. Check the lifecycle status, as this part may be marked as Not Recommended for New Designs (NRND). Ensure the ordering code matches the tape-and-reel quantity specified in the official documentation.
Selection Notes
Select this component when a compact synchronous buck solution is needed for inputs between 4V and 5.5V. It is suitable for applications requiring up to 800mA at voltages between 1V and 2.5V. Consider the 1MHz switching frequency for balancing component size and efficiency. Verify that the thermal performance in the 8-MSOP package meets the system's dissipation requirements under full load conditions.
Part Context
This part belongs to the BD8966 series of synchronous buck converters from Rohm Semiconductor. It is designed for general-purpose power management in portable electronics. The MSOP-8 package allows for space-constrained PCB layouts. It serves as a power supply source for logic circuits and memory modules in mobile and industrial applications.
Replacement Considerations
BD9A100MUV-E2 and BD9106FVM-LBTR are listed as similar alternatives by the distributor. Verify electrical parameter compatibility, including input voltage range, output current capability, and pinout configuration, before substitution.
