LM3671MFX-3.3/NOPB

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LM3671MFX-3.3/NOPB

IC REG BUCK 3.3V 600MA SOT23-5

  • 제조업체Texas Instruments
  • Mfr.부분 #LM3671MFX-3.3/NOPB
  • 패키지
  • 데이터시트
  • 재고 있음8079

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사양

Part Status Active
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) 3.3V
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
Base Product Number LM3671

개요

Description

The LM3671MFX-3.3/NOPB is a high-efficiency, step-down voltage regulator designed for powering low-voltage applications. It features a fixed output voltage of 3.3V and can deliver up to 1A of output current. The device operates with a wide input voltage range of 2.5V to 5.5V, making it suitable for various battery-operated and power-sensitive applications.
Key features include a high switching frequency, enabling smaller external components, and low quiescent current, which enhances battery life. The LM3671 also incorporates built-in protection mechanisms such as thermal shutdown and current limit, ensuring reliable operation.
The package is a compact 6-pin WSON, facilitating easy integration into space-constrained designs. Its robust performance and efficiency make it ideal for use in smartphones, tablets, and other portable devices where power management is critical.
Overall, the LM3671MFX-3.3/NOPB is an excellent choice for designers seeking a reliable and efficient solution for step-down voltage regulation in low-power applications.

Features

The LM3671MFX-3.3/NOPB is a high-efficiency, synchronous step-down DC-DC converter designed for a range of applications. Key features include:
- Output Voltage: Fixed output of 3.3V.
- Input Voltage Range: Supports 2.5V to 5.5V input voltage, making it suitable for battery-operated devices.
- Output Current: Delivers up to 1A of continuous output current.
- High Efficiency: Offers efficiency up to 95%, minimizing heat generation and extending battery life.
- Integrated Switches: Includes internal high-side and low-side MOSFETs, reducing the need for external components.
- Small Package: Available in a compact 5-pin WSON package, ideal for space-constrained applications.
- Soft-Start Feature: Reduces inrush current during startup, enhancing system reliability.
- Protection Features: Incorporates over-current protection (OCP) and thermal shutdown (TSD) for enhanced safety.
- Low Quiescent Current: Ensures minimal power consumption in standby mode, ideal for portable applications.
This makes the LM3671MFX-3.3/NOPB suitable for smartphones, tablets, and other portable devices requiring efficient power management.

Package

The LM3671MFX-3.3/NOPB is packaged in a 6-pin MicroSiP (SOT-23) format. This compact package is designed for efficient thermal performance and space-saving applications in power management solutions.

Pinout

The LM3671MFX-3.3/NOPB is a high-efficiency step-down DC-DC regulator with a total of 6 pins. The pin configuration and functions are as follows:
1. VIN: Input voltage supply.
2. GND: Ground reference.
3. SW: Switching node for the inductor.
4. VOUT: Output voltage; provides a regulated voltage of 3.3V.
5. COMP: Compensation network connection for stability.
6. EN: Enable pin to turn the device on or off.
This device is designed for applications requiring low power consumption and delivers a maximum output current of up to 2A. It operates with a wide input voltage range, making it suitable for various portable devices.

Manufacturer

The LM3671MFX-3.3/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including analog and digital processing chips. Founded in 1930, TI is well-known for its innovations in integrated circuits and has a diverse product portfolio that serves various industries, including automotive, industrial, communications, and consumer electronics. The LM3671 is a low-dropout (LDO) voltage regulator, indicating TI's focus on providing reliable power management solutions for modern electronic devices.

Application

The LM3671MFX-3.3/NOPB is a low-dropout (LDO) voltage regulator designed for powering portable devices, such as smartphones, tablets, and wearable electronics. Its application areas include power management in battery-operated systems, digital signal processors, and microcontrollers. It is suitable for use in telecommunications, automotive electronics, and industrial equipment where efficient voltage regulation is critical for performance and longevity.

Equivalent

Equivalent products to the LM3671MFX-3.3/NOPB include the TPS62740, TPS62745, and LM3671MFX-3.0. These alternatives may offer similar voltage output, efficiency, and performance characteristics. Always check the specific datasheets for compatibility in your application.

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