Manufacturer Part Number
LM2853MHX-1.2
Manufacturer
Texas Instruments
Introduction
High-efficiency, 3A synchronous step-down voltage regulator
Product Features and Performance
Synchronous buck regulator design
Fixed output voltage of 1.2V
High output current capability of 3A
Switching frequency of 550kHz
Simple external components required
Thermal shutdown protection
Under-voltage lockout
Peak current-mode operation for excellent transient response
Internal soft-start to limit inrush current
Product Advantages
High efficiency for power-sensitive applications
Low radiated emissions due to integrated synchronous rectifier
Thermally enhanced 14-PowerTSSOP package
Robust thermal performance with -40°C to 125°C operating range
Key Technical Parameters
Input voltage range 3V to 5.5V
Output voltage 1.2V (fixed)
3A maximum output current
550kHz switching frequency
Synchronous rectification for improved efficiency
Operating temperature from -40°C to 125°C
Quality and Safety Features
Built-in thermal shutdown
Over-current protection
Under-voltage lockout for system safety
Compatibility
Compatible with a range of input voltages from 3V to 5.5V
Suitable for surface mount technology with HTSSOP packaging
Application Areas
Point-of-load power supplies
Embedded systems
Networking and telecommunications equipment
Consumer electronics
Industrial control systems
Product Lifecycle
Obsolete status
Potential replacement or upgrade options may be available from Texas Instruments
Several Key Reasons to Choose This Product
Optimized for low-voltage, high-current applications
High-efficiency design reduces power consumption and heat generation
Compact PowerTSSOP package saves board space
Texas Instruments' support and reliability
Advanced protection features ensure long-term stability and safety
Well-suited for a wide range of operating environments with extended temperature range