Manufacturer Part Number
LM3676SD-1.8
Manufacturer
Texas Instruments
Introduction
The LM3676SD-1.8 is a highly integrated, high-efficiency power management IC from Texas Instruments, designed for stepping down voltage in portable electronics.
Product Features and Performance
Step-down (Buck) configuration
Fixed output voltage of 1.8V
Output current capability of 600mA
Supports input voltage range from 2.9V to 5.5V
High-frequency switching at 2MHz
Built-in synchronous rectifier for improved efficiency
Supports a wide operating temperature range from -30°C to 85°C
Surface mount device designed for compact PCB layouts
Product Advantages
Optimized for battery-powered applications
High-efficiency power conversion
Minimized external component count due to high integration
Low noise performance due to high switching frequency
Thermal overload protection enhances safety
Key Technical Parameters
Input Voltage (Min): 2.9V
Input Voltage (Max): 5.5V
Output Voltage (Fixed): 1.8V
Current - Output: 600mA
Switching Frequency: 2MHz
Number of Outputs: 1
Quality and Safety Features
Over-temperature protection
Over-current protection
Built-in thermal shutdown
Compatibility
Designed for use with multi-cell or single cell lithium-ion and lithium-polymer batteries, as well as regulated 5V supplies
Application Areas
Mobile phones
Portable media players
Handheld devices
GPS devices
Product Lifecycle
Obsolete status indicates that the product may no longer be manufactured or supported by Texas Instruments
Alternatives or replacement products should be considered for new designs
Reasons to Choose This Product
High component integration saves space and cost
600mA output suitable for a range of portable electronics
Switching frequency allows for small external components and reduced noise
Synchronous rectification leads to high efficiency
Industry-proven reliability and safety features from Texas Instruments
Despite obsolescence, may be suitable for maintaining or repairing existing hardware
LM3673TLX-1.8Texas Instruments
LM3678SD-1.2NS