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LM3671MF-1.5/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 1.5V 600MA SOT23-5. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for LM3671MF-1.5/NOPB
- Description：IC REG BUCK 1.5V 600MA SOT23-5
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.5V
- Voltage - Output (Max)：-
- Current - Output：600mA
- Frequency - Switching：2MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM3671MF-1.5/NOPB
Voltage Regulators - DC DC Switching Regulators Overview
The LM3671MF-1.5/NOPB is a fixed-output synchronous step-down DC-DC converter manufactured by Texas Instruments. It provides a fixed 1.5V output with a maximum current capacity of 600mA. The device operates within an input voltage range of 2.7V to 5.5V and features a switching frequency of 2MHz. It utilizes a SOT-23-5 surface-mount package and supports an operating temperature range from -40°C to +85°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Integrates synchronous rectification for high efficiency across load ranges
- Automatically switches between PWM and PFM modes to optimize light-load performance
- Includes built-in overcurrent protection and thermal shutdown safeguards
Voltage Regulators - DC DC Switching Regulators Applications
- Portable hard drives
- Personal digital assistants (PDAs)
- MP3 players
- Digital cameras
- Automotive electronics
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify the suffix NOPB confirms lead-free and RoHS compliance status. Confirm the MF suffix indicates the specific SOT-23-5 package variant. Ensure the 1.5 designation matches the required fixed output voltage. Check datasheet revisions for any pinout or electrical parameter updates before finalizing procurement specifications.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a compact, fixed 1.5V rail is needed from a single-cell lithium battery or 5V bus. The 600mA limit suits low-power portable loads. Consider the 2MHz frequency for smaller inductor size compared to lower-frequency alternatives. Verify that the SOT-23-5 thermal dissipation meets the application's power budget requirements.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the LM3671 family of synchronous buck converters. It shares core topology and control logic with variants offering different fixed voltages or adjustable outputs. The LM3671 series is designed for space-constrained mobile and automotive applications requiring efficient power management in small packages.
Voltage Regulators - DC DC Switching Regulators Replacement Considerations
LM3671MF-1.25/NOPB: Different fixed output voltage (1.25V). LM3671MF-1.8/NOPB: Different fixed output voltage (1.8V). LM3671MFX-ADJ: Adjustable output voltage variant.
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