LM3671QMF-1.2/NOPB

$1.50

Description：IC REG BUCK 1.2V 600MA SOT23-5
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:9c7d011586b6 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM3671QMF-1.2/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 1.2V 600MA SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM3671QMF-1.2/NOPB

Description：IC REG BUCK 1.2V 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)：1.2V
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：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM3671QMF-1.2/NOPB

LM3671QMF-1.2/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM3671QMF-1.2/NOPB is a fixed-output synchronous buck DC-DC converter from Texas Instruments, designed for automotive applications. It delivers a fixed 1.2V output with a maximum load current 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 (SC-74A) package and supports an operating temperature range of -40°C to +85°C. The component meets AEC-Q100 Grade 1 qualification standards.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for high efficiency across the load range
Automatic transition between PWM low-noise mode and PFM low-current mode
Automotive-grade reliability compliant with AEC-Q100 standards

Voltage Regulators - DC DC Switching Regulators Applications

Powering low-voltage logic circuits in automotive infotainment systems
Supplying power to microcontrollers in vehicle telematics units
Voltage regulation for sensor interfaces in automotive environments

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix QMF corresponds to the required automotive grade and package variant. Confirm the fixed 1.2V output matches the target circuit design requirements. Ensure compatibility with the specified SOT-23-5 footprint during PCB layout. Check for any recent product change notifications regarding marking or packaging updates.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.2V rail is required for automotive-grade designs. It is suitable for space-constrained applications due to the small SOT-23-5 package. Consider the 600mA current limit against peak load demands. Evaluate the 2MHz switching frequency for external component size trade-offs compared to lower-frequency alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3671 family of step-down converters optimized for single-cell lithium-ion battery operation. The 'Q' prefix indicates automotive qualification under AEC-Q100 standards. The 'MF' suffix denotes the SOT-23-5 package type. The '-1.2' specifies the fixed 1.2V output voltage option within the series.