Manufacturer Part Number
LM3670MF-1.875
Manufacturer
Texas Instruments
Introduction
The LM3670MF-1.875 is a step-down DC-DC switching regulator designed for powering portable devices.
Product Features and Performance
Integrated synchronous rectifier for high efficiency
350mA output current capability
Stable with ceramic capacitors
1MHz fixed frequency operation
Small package size suitable for space-constrained applications
Product Advantages
High efficiency leads to longer battery life
Fast switching frequency allows for smaller external components
Low quiescent current
High performance in thermal management due to operating temperature range
Key Technical Parameters
Step-Down function
Positive output configuration
Buck topology
Fixed output type
Single output
Input voltage range of 2.5V to 5.5V
Fixed output voltage of 1.875V
Output current up to 350mA
Switching frequency of 1MHz
Operating temperature from -40°C to 85°C
Quality and Safety Features
Over temperature protection
Overcurrent protection
Undervoltage lockout
Compatibility
Compatible with other devices requiring a fixed 1.875V supply at up to 350mA
SOT-23-5 package compatible with standard SCM process
Application Areas
Portable electronic devices
Battery-powered equipment
Mobile phones
Personal digital assistants (PDAs)
Product Lifecycle
Obsolete status
Alternatives or replacement parts may be available, consult Texas Instruments for options
Several Key Reasons to Choose This Product
Reliable performance from a reputable manufacturer
High efficiency for power-sensitive applications
Compact size ideal for portable applications
High-switching frequency allows use of small external components for space-saving designs
Broad operating temperature suitable for various environments
Comprehensive protection features ensure device safety and longevity
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