Manufacturer Part Number
LM2575D2T-3.3
Manufacturer
onsemi
Introduction
Switching voltage regulator for power management applications with a step-down (Buck) topology.
Product Features and Performance
Step-Down Voltage Regulator
Fixed 3.3V output voltage
1A output current capability
75V to 40V wide input voltage range
52kHz switching frequency
Capable of operating at temperatures from -40°C to 125°C
Surface Mount TO-263-6, D2PAK package
Supports a simple external circuitry design
Product Advantages
High efficiency over a wide range of input voltages
Suitable for battery-powered devices due to low dropout voltage
Robust thermal performance for improved reliability
Compact D2PAK package suitable for space-constrained applications
Key Technical Parameters
Input Voltage Min: 4.75V
Input Voltage Max: 40V
Output Voltage Min/Fixed: 3.3V
Current - Output: 1A
Frequency - Switching: 52kHz
Operating Temperature: -40°C to 125°C
Mounting Type: Surface Mount
Package: TO-263-6, D2PAK
Quality and Safety Features
Built-in thermal shutdown and overcurrent protection
Under-voltage lockout
Compatibility
Compatible with various microcontrollers and logic devices requiring a 3.3V supply
Suitable for use in a wide variety of electronic circuits
Application Areas
Consumer electronics
Telecommunications
Portable devices
Computing systems
Product Lifecycle
Obsolete - check for replacement or upgraded models
Key Reasons to Choose This Product
Provides a stable 3.3V output for consistent device operation
High-efficiency power conversion reduces energy loss
Wide input voltage range allows for versatile usage across different applications
Integrated protection features enhance product reliability and longevity
Compact form factor is ideal for space-sensitive designs