LM3671MF-2.8/NOPB

$0.68

Description：IC REG BUCK 2.8V 600MA SOT23-5
Series：-
Mfr：National Semiconductor
Package：Bulk

SKU:5b16f090e2a2 Category: Voltage Regulators - DC DC Switching Regulators Brand: National Semiconductor

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Product introduction

LM3671MF-2.8/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists National Semiconductor. Its product description is IC REG BUCK 2.8V 600MA SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM3671MF-2.8/NOPB

Description：IC REG BUCK 2.8V 600MA SOT23-5
Series：-
Mfr：National Semiconductor
Package：Bulk
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)：2.8V
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-2.8/NOPB

LM3671MF-2.8/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3671MF-2.8/NOPB is a fixed-output buck converter manufactured by Texas Instruments, part of the LM3671 series. It provides a regulated 2.8 V output with a maximum continuous current of 600 mA. The device operates from an input voltage range of 2.7 V to 5.5 V and utilizes a fixed switching frequency of 2.6 MHz. It is housed in a compact 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 a high-efficiency synchronous buck topology for step-down conversion
Features a fixed internal switching frequency to minimize external component count
Includes integrated power switch and control circuitry for compact design

Voltage Regulators - DC DC Switching Regulators Applications

Portable battery-powered consumer electronics
Cellular phones and mobile communication devices
Personal digital assistants (PDAs)
MP3 players and portable media devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as Texas Instruments, which acquired National Semiconductor. Confirm the suffix /NOPB indicates lead-free and RoHS compliance. Ensure the specific output voltage variant matches the required 2.8 V specification for the application design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.8 V rail is required from a single-cell lithium-ion or lithium-polymer battery source. The fixed frequency simplifies filter design compared to adjustable variants. Consider the SOT-23-5 package constraints for thermal management and PCB space limitations in handheld applications.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM3671 family of low-power DC-DC converters designed for space-constrained portable systems. The family offers various fixed output voltages to accommodate different logic levels within mobile devices without requiring external programming resistors.