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Product Detailed Parameters
- Description：IC REG BOOST ADJ 1.4A 10VSON
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：1.8V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：3.23V
- Voltage - Output (Max)：3.37V
- Current - Output：1.4A (Switch)
- Frequency - Switching：600kHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：10-UFDFN Exposed Pad
- Supplier Device Package：VSON010X3030
- Grade：-
- Qualification：-
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Overview
The BU33DV7NUX-E2 is a synchronous boost DC/DC converter manufactured by ROHM Semiconductor. It operates with an input voltage range of 2.5V to 5.5V and provides a fixed output voltage of 3.3V. The device supports a maximum output current of 300mA. It features a switching frequency of 600kHz and utilizes a VSON-10 package (VSON010x3030). The component functions within a temperature range of -40°C to +85°C.
Feature Summary
- Integrated synchronous rectification for improved efficiency in step-up applications
- Fixed 3.3V output configuration simplifying circuit design
- Compact VSON-10 package suitable for space-constrained portable devices
Applications
- Portable electronic devices requiring stable 3.3V power from single-cell lithium batteries
- Battery-powered consumer electronics needing efficient voltage boosting
- Embedded systems utilizing single-cell power sources
Procurement Notes
Verify the specific suffix E2 against the manufacturer's latest documentation to confirm RoHS compliance and material composition. Confirm the package marking and pinout alignment with the VSON-10 specification sheet before integration. Ensure the supplier provides valid traceability documents matching the part number exactly.
Selection Notes
Select this component when a fixed 3.3V output is required from inputs between 2.5V and 5.5V. It is suitable for designs prioritizing compactness due to the small footprint. Consider the 300mA current limit and 600kHz frequency when designing external passive components. Verify thermal performance under expected load conditions.
Part Context
This part belongs to ROHM's BU33 series of synchronous boost converters. It is designed for low-power applications where size and efficiency are critical. The series typically targets battery-operated equipment, offering integrated FETs to reduce external component count compared to asynchronous alternatives.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Consult the manufacturer's official replacement guide or contact technical support for verified cross-reference information.
