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Product Detailed Parameters
- Description：IC REG BUCK DC/DC VQFN
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR)
- Function：-
- Output Configuration：-
- Topology：-
- Output Type：-
- Number of Outputs：-
- Voltage - Input (Min)：-
- Voltage - Input (Max)：-
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：-
- Frequency - Switching：-
- Synchronous Rectifier：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The BD8616MUV-E2 is a synchronous buck converter manufactured by ROHM Semiconductor, classified under PMIC - Power Management ICs. It operates within an input voltage range of 2.7 V to 5.5 V and provides a single adjustable output voltage from 800 mV to 3.3 V. The device supports a maximum output current of 4 A with a switching frequency of 1 MHz. Key electrical specifications include a quiescent current of 10 uA and an operating supply current of 250 uA. It functions reliably across a temperature range of -40°C to +105°C.
Feature Summary
- Integrates internal power MOSFETs for synchronous rectification to reduce external component count.
- Utilizes constant on-time control mode to achieve fast transient response without phase compensation components.
- Includes built-in protection circuits such as soft start, power good indication, and short circuit/overvoltage protection.
Applications
- Power supplies for digital AV equipment
- Portable electronic devices requiring efficient step-down conversion
- Battery-powered systems needing low quiescent current operation
Procurement Notes
Verify the specific suffix E-2 against the manufacturer's latest datasheet to confirm pinout and thermal characteristics. Confirm RoHS compliance status directly with the supplier, as regulatory updates may affect environmental declarations. Check for obsolescence notices or lifecycle changes before finalizing design-in decisions.
Selection Notes
Select this component when a compact solution is required for converting 5V rails to lower logic voltages. Ensure the application demands high efficiency at moderate loads given the integrated FET design. Verify that the 1 MHz switching frequency aligns with electromagnetic interference constraints in the target system layout.
Part Context
This part belongs to the BD8616MUV series of synchronous buck converters. It is designed for applications requiring high efficiency and small footprint. The device integrates control logic and power switches into a single package, simplifying the design process for portable electronics and embedded systems.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official replacement guide or contact technical support for qualified alternatives if this component is discontinued or unavailable.
