LM3671MF-ADJ/NOPB

The LM3671MF-ADJ/NOPB is a step-down DC-DC voltage regulator IC (Integrated Circuit) manufactured by Texas Instruments. It is a high-efficiency, low quiescent current, step-down converter suitable for battery-powered and low input voltage applications. The LM3671MF-ADJ/NOPB can deliver up to 600mA of continuous output current with excellent line and load regulation. It operates at a fixed frequency PWM (Pulse Width Modulation) mode and employs a PFM (Pulse Frequency Modulation) control scheme to maintain high efficiency over a wide load current range.

Features:

• High Efficiency: Employs a synchronous rectification topology to achieve high efficiency over a wide load range.
• Low Quiescent Current: Ensures minimal standby current consumption, extending battery life in portable applications.
• Wide Input Voltage Range: Supports input voltages from 2.7V to 5.5V, making it suitable for single-cell Li-ion or three-cell NiMH/NiCd battery-powered applications.
• Adjustable Output Voltage: Provides flexibility in setting the output voltage, allowing customization for various applications.
• Fixed Frequency PWM Operation: Enables easy filtering and provides predictable EMI (Electromagnetic Interference) performance.
• Built-in Soft Start: Prevents excessive inrush current during startup, reducing stress on the input power source and output components.
• Short-Circuit Protection: Safeguards against output short circuits and excessive load currents, enhancing system reliability.
• Thermal Shutdown: Protects the IC from overheating by reducing the duty cycle under high-temperature conditions.
• Tiny SOT-23 Package: Compact package design saves board space and facilitates easy integration into space-constrained designs.
• RoHS Compliance: Manufactured in compliance with RoHS directives for environmental sustainability.

Applications:

• Portable Devices (e.g., smartphones, tablets, portable media players)
• Handheld Instruments
• Wireless Sensors
• Battery-Powered Equipment
• Low Voltage Microcontroller Systems
• Energy Harvesting Systems
• Wearable Electronics
• USB Powered Devices