Manufacturer Part Number
LMR33640ADDAR
Manufacturer
Texas Instruments
Introduction
The LMR33640ADDAR is a highly efficient step-down buck converter capable of delivering up to 4A of output current.
Product Features and Performance
High-efficiency step-down (Buck) regulator
Wide input voltage range from 3.8V to 36V
Adjustable output voltage from 1V to 24V
4A output current capability
400kHz switching frequency for optimal balance between efficiency and external component size
Synchronous rectification for improved efficiency
Operates at a junction temperature range of -40°C to 125°C
Surface mount package for space-saving design
Product Advantages
High efficiency reduces thermal footprint and energy consumption
Wide input voltage range accommodates a variety of supply voltages
Small package size is suitable for compact circuit designs
Integrated synchronous rectifier enhances efficiency and eliminates the need for external diodes
Key Technical Parameters
Input Voltage (Min): 3.8V
Input Voltage (Max): 36V
Output Voltage (Min/Fixed): 1V
Output Voltage (Max): 24V
Current - Output: 4A
Frequency - Switching: 400kHz
Operating Temperature: -40°C to 125°C (TJ)
Quality and Safety Features
Operational within a wide temperature range ensuring reliability in harsh conditions
Integrated safety features guard against overcurrent and thermal overload
Compatibility
Compatible with a variety of applications due to its flexible input and output voltage range
Surface Mount 8-PowerSOIC package easily integrates into PCB designs
Application Areas
Consumer Electronics
Industrial and Automation Systems
Telecommunication Infrastructure
Computing Power Supplies
Automotive Electronics
Product Lifecycle
Currently Active
Not nearing discontinuation, with no immediate replacement or upgrade announced
Several Key Reasons to Choose This Product
Capable of delivering high power in a compact form factor
Versatile across numerous applications due to wide input/output voltage range
Reduced external component count through integrated synchronous rectification
Exceptional thermal and energy efficiency for sustainable and cost-effective designs
Reliable performance across a broad operating temperature range
From a reputable manufacturer known for robust power management solutions
