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Product Detailed Parameters
- Description：IC REG BUCK ADJ 800MA 8MSOP
- 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)：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 BD9106FVM-LBTR is a synchronous buck switching regulator manufactured by ROHM Semiconductor. It operates within an input voltage range of 4V to 5.5V and delivers a maximum output current of 0.8A. The device utilizes current-mode PWM control for fast transient response and features integrated Nch/Pch FETs for high efficiency. Key specifications include a switch frequency setting up to 1MHz, a fixed output voltage capability, and operation across a temperature range of -25°C to +85°C. It is housed in an MSOP8 package.
Feature Summary
- Integrates controller and power FETs in a single synchronous topology
- Employs current-mode PWM control for rapid load transient response
- Features SLLM technology for optimized light-load efficiency
- Includes comprehensive protection circuits such as thermal and short-current protection
Applications
- Industrial equipment power supplies
- Consumer electronics low-voltage regulation
- General-purpose DC-DC conversion from 5V rails
Procurement Notes
Verify the specific suffix LBTR against the official datasheet to confirm packaging and tape-and-reel specifications. Confirm that the component status aligns with project requirements, as this part may be designated for existing customers rather than new designs. Ensure compatibility with the required operating temperature range and package dimensions before finalizing procurement orders.
Selection Notes
Select this component when a compact, high-efficiency solution is needed for converting 5V inputs to lower voltages. The integrated FET design reduces external component count compared to discrete solutions. Consider the current-mode control architecture if fast transient response is critical for the load dynamics. Verify that the 0.8A output current meets the application's peak and continuous power demands.
Part Context
This part belongs to the BD91xx series of switching voltage regulators designed for industrial applications. It represents a long-life cycle product line intended for stable supply chains. The series emphasizes high efficiency through synchronous rectification and proprietary light-load modes, targeting applications requiring reliable power management in space-constrained environments.
Replacement Considerations
Check for direct substitutes within the BD91xx family or other ROHM synchronous buck converters with similar pinouts and electrical characteristics. Ensure any replacement maintains the MSOP8 package form factor and supports the required 4.5V-5.5V input range.
