Manufacturer Part Number
LM3670MF-3.3
Manufacturer
Texas Instruments
Introduction
The LM3670MF-3.3 is a highly integrated, synchronous, step-down DC-DC converter designed for cost-sensitive, space-constrained applications.
Product Features and Performance
High efficiency up to 92%
1 MHz fixed-frequency operation
350 mA output current capability
Wide input voltage range: 2.5 V to 5.5 V
Excellent load and line regulation
Thermal shutdown and current limiting protection
Small, 5-pin SOT-23 package
Product Advantages
Compact and space-saving design
High efficiency for extended battery life
Robust protection features
Simple and easy to use
Key Technical Parameters
Manufacturer Part Number: LM3670MF-3.3
Output Voltage: 3.3 V (fixed)
Output Current: 350 mA
Switching Frequency: 1 MHz
Input Voltage Range: 2.5 V to 5.5 V
Operating Temperature: -40°C to 85°C
Package: SOT-23-5
Quality and Safety Features
RoHS non-compliant
Thermal shutdown and current limiting protection
Compatibility
Compatible with a wide range of electronic devices and systems that require a stable and efficient 3.3 V power supply.
Application Areas
Portable electronics
Wearable devices
IoT and sensor applications
Battery-powered equipment
Industrial and consumer electronics
Product Lifecycle
The LM3670MF-3.3 is an established product in Texas Instruments' portfolio.
Replacement or upgraded products may be available in the future, but the current model remains widely used and supported.
Several Key Reasons to Choose This Product
High efficiency and compact design for power-sensitive applications
Robust protection features for reliable operation
Wide input voltage range and fixed 3.3 V output for versatility
Simple and easy to use, requiring minimal external components
Backed by the reputation and support of Texas Instruments