Manufacturer Part Number
LM3671MF-3.3
Manufacturer
Texas Instruments
Introduction
High-efficiency, synchronous step-down DC-DC converter
Provides a regulated output voltage from a higher input voltage
Product Features and Performance
Operates from 2.7V to 5.5V input voltage range
Integrated high-side and low-side MOSFET switches
2 MHz switching frequency for small external components
600 mA output current capability
Tight output voltage accuracy of ±1.5% over temperature
Excellent transient response
Thermal shutdown, overcurrent, and short-circuit protection
Low shutdown current of 0.1 μA
Product Advantages
High efficiency up to 90%
Small solution size with integrated power switches
Wide operating temperature range of -40°C to 85°C
Simple external component count
Key Technical Parameters
Input Voltage Range: 2.7V to 5.5V
Output Voltage: 3.3V (fixed)
Output Current: 600 mA
Switching Frequency: 2 MHz
Package: SOT-23-5
Quality and Safety Features
Overcurrent protection
Thermal shutdown
Short-circuit protection
Compatibility
Suitable for a wide range of portable electronics and mobile devices that require a regulated 3.3V supply
Application Areas
Smartphones, tablets, and other portable electronics
Wearable devices
Industrial and medical equipment
Product Lifecycle
Actively supported by Texas Instruments
No plans for discontinuation or end-of-life announced
Several Key Reasons to Choose This Product
High efficiency and small solution size for compact designs
Wide operating temperature range for demanding applications
Integrated protection features for reliable operation
Simple external component count for easy implementation
Proven performance and long-term availability from a trusted manufacturer