Manufacturer Part Number
LM2575D2T-3.3G
Manufacturer
onsemi
Introduction
The LM2575D2T-3.3G is part of the broad category of Power Management Integrated Circuits (PMICs), specifically within the Voltage Regulators - DC DC Switching Regulators family. Designed for step-down (buck) operations, it provides a fixed output from a higher input voltage.
Product Features and Performance
Integrated step-down (buck) regulator with positive output configuration
Supports a wide input voltage range from 4.75V to 40V
Delivers a fixed output voltage of 3.3V
Capable of supplying output current up to 1A
Operates at a switching frequency of 52kHz
Does not support synchronous rectification
Designed for surface mount installations
Withstands operating temperatures ranging from -40°C to 125°C
Product Advantages
Flexibility in handling wide input voltage variations
Suitable for providing a stable 3.3V power supply in diverse applications
Easy to implement in circuit designs due to its surface-mount package
Operates effectively across a wide temperature range
Key Technical Parameters
Voltage Input (Min/Max): 4.75V / 40V
Voltage Output (Min/Fixed): 3.3V
Current Output: 1A
Frequency Switching: 52kHz
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Built to withstand harsh temperatures, ensuring reliability across various operating conditions
Compatibility
The TO-263-6, D2PAK (5 Leads + Tab), TO-263BA package is compatible with standard surface mount technology, facilitating integration into existing designs.
Application Areas
Ideal for power supply designs requiring a 3.3V output from a higher voltage source, including but not limited to consumer electronics, telecommunications, and industrial equipment.
Product Lifecycle
As of the last update, the LM2575D2T-3.3G has been marked obsolete, indicating that it is nearing the end of its production lifecycle. Customers are advised to consult onsemi for potential replacements or upgrades.
Several Key Reasons to Choose This Product
Wide input voltage range accommodates various power sources and conditions.
Provides a stable and reliable 3.3V output suitable for many electronic devices.
The robust operating temperature range ensures performance in extreme conditions.
Surface mount package aligns with modern PCB assembly processes for convenience.