Manufacturer Part Number
L4973D3.3-013TR
Manufacturer
stmicroelectronics
Introduction
The L4973D3.3-013TR is a step-down DC DC switching regulator designed for power management applications, housed in a 20-SOIC package.
Product Features and Performance
Step-Down topology
Adjustable output type, with an option fixed at 3.3V
Single output channel
Voltage input range from 8V to 55V
Output voltage range from 0.5V to 50V
Output current capacity of 3.5A
Switching frequency between 100kHz and 300kHz
Product Advantages
High input voltage range suitable for various applications
Flexible output voltage settings
Capable of delivering a significant amount of power with 3.5A output
Key Technical Parameters
Input Voltage (Min): 8V
Input Voltage (Max): 55V
Output Voltage (Min/Fixed): 0.5V (3.3V)
Output Voltage (Max): 50V
Current - Output: 3.5A
Frequency - Switching: 100kHz ~ 300kHz
Quality and Safety Features
Operating Temperature range: -40°C ~ 150°C (TJ)
Surface mount technology enhances board reliability
Compatibility
Mounting Type: Surface Mount
Package / Case: 20-SOIC
Application Areas
Optimized for Power Management systems in electronics
Product Lifecycle
The product status is active with no current indications of discontinuation
Several Key Reasons to Choose This Product
Versatile input and output voltage range compatible with multiple devices
High maximum output suitable for high power applications
Robust operating temperature range suitable for both industrial and commercial environments
Continuously active product with reliable supply chain management
Low-profile SOIC package facilitates easier integration into design projects