Manufacturer Part Number
LM3671MF-1.5
Manufacturer
Texas Instruments
Introduction
The LM3671MF-1.5 is a step-down DC-DC switching regulator designed for portable and battery-powered applications.
Product Features and Performance
Step-Down (Buck) topology
Fixed 1.5V output voltage
Single output channel
Input voltage range from 2.7V to 5.5V
Output current capacity of 600mA
High-frequency switching at 2MHz
Integrated synchronous rectifier for improved efficiency
Operating temperature range of -40°C to 85°C
Surface mount package, specifically SC-74A, SOT-753
Designed with SOT-23-5 device package
Product Advantages
Compact size for space-sensitive applications
High switching frequency allows the use of small external components
Low dropout performance suitable for battery-powered devices
High efficiency due to synchronous rectification
Key Technical Parameters
Voltage Input (Min): 2.7V
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 1.5V
Current Output: 600mA
Frequency Switching: 2MHz
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Over-temperature protection
Compatibility
Compatible with a variety of portable and battery-powered devices
SOT-23-5 package universally used in electronic circuit boards
Application Areas
Mobile phones
Personal digital assistants (PDAs)
Portable media players
Wireless peripherals
Various battery-operated devices
Product Lifecycle
Product Status: Obsolete
Check with the manufacturer for replacement or upgrade options
Several Key Reasons to Choose This Product
Proven reliability from Texas Instruments
High efficiency for battery life extension
Space-saving package for compact electronic designs
High-frequency operation minimizes passive component sizes
Broad operating temperature range suits diverse environmental conditions
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