LM3670MFX-1.875/NOPB

$0.32

Description：IC REG BUCK 1.875V 350MA SOT23-5
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:dd6af67184c0 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM3670MFX-1.875/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 1.875V 350MA SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM3670MFX-1.875/NOPB

Description：IC REG BUCK 1.875V 350MA SOT23-5
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：2.5V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：1.875V
Voltage - Output (Max)：-
Current - Output：350mA
Frequency - Switching：1MHz
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 LM3670MFX-1.875/NOPB

LM3670MFX-1.875/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3670MFX-1.875/NOPB is a fixed-output step-down DC-DC converter manufactured by Texas Instruments. It provides a stable 1.875 V output with a maximum load current of 750 mA. The device operates from an input voltage range of 2.5 V to 5.5 V and utilizes a 1.3 MHz switching frequency. Designed for space-constrained applications, it is housed in a compact SOT-23-5 package. The component supports operation across an extended temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates synchronous rectification for high efficiency in a miniature footprint
Features automatic transition between PFM and PWM modes to optimize light-load performance
Includes internal soft-start circuitry to limit inrush current during startup

Voltage Regulators - DC DC Switching Regulators Applications

Portable battery-powered consumer electronics
Ultra-low voltage logic supply regulation
Embedded systems requiring compact power solutions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration against the manufacturer's official datasheet to ensure compatibility with required regulatory standards and pinout definitions. Confirm that the ordering part number matches the exact output voltage and package variant intended for the design. Cross-reference the latest product change notifications to identify any updates to assembly sites or material compositions that may affect qualification.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.875 V rail is required within a 5.5 V input system. The 750 mA current capability suits moderate load applications where board space is limited. Consider the 1.3 MHz frequency for balancing external component size against electromagnetic interference requirements. Ensure the thermal environment remains within the specified -40°C to +85°C operational range for reliable performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM3670 family of miniaturized step-down converters designed for ultra-low voltage circuits. It shares the SOT-23-5 packaging topology with other variants in the series but differs in fixed output voltage settings. The family targets portable devices needing efficient power management in minimal space.