Manufacturer Part Number
LM3671MF-ADJ
Manufacturer
Texas Instruments
Introduction
The LM3671MF-ADJ by Texas Instruments is a step-down (buck) voltage regulator designed for power management in compact, battery-powered devices.
Product Features and Performance
Adjustable output voltage from 1.1V to 3.3V, catering to various device needs
Supports input voltages from 2.7V to 5.5V, compatible with most battery technologies
High-efficiency operation due to synchronous rectification
Capable of delivering up to 600mA of output current
Features a high 2MHz switching frequency, allowing for smaller external components
Operates efficiently in temperatures ranging from -40°C to 85°C
Product Advantages
High efficiency leads to longer battery life in portable applications
Small package size (SC-74A, SOT-753) enables compact circuit designs
Adjustable output voltage provides versatility for different electronics designs
High switching frequency allows for the use of smaller, less expensive inductors and capacitors
Built-in synchronous rectifier improves efficiency
Key Technical Parameters
Min Input Voltage: 2.7V
Max Input Voltage: 5.5V
Min/Adjustable Output Voltage: 1.1V
Max Output Voltage: 3.3V
Output Current: 600mA
Switching Frequency: 2MHz
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Overcurrent protection and thermal shutdown for device safety and longevity
Compatibility
Flexible input voltage range and adjustable output for broad compatibility with various battery technologies and device requirements
Application Areas
Mobile Phones
Portable Media Players
Wireless Modules
Portable Gaming Devices
Product Lifecycle
Obsolete status, indicating discontinuation of production
Users should seek replacements or consider upgrades for new designs
Several Key Reasons to Choose This Product
Texas Instruments' reputation for quality and reliability in power management solutions
High efficiency and small package size ideal for portable applications
Adjustable output voltage offers design flexibility
High switching frequency minimizes the solution footprint by enabling smaller passive components
Comprehensive protection features ensure system safety under abnormal conditions
Despite its obsolescence, existing designs can still benefit from its performance characteristics for replacement or repair needs
LM3671MF-3.3/NOPBTexas Instruments