Manufacturer Part Number
UCC3817DTR
Manufacturer
Texas Instruments
Introduction
UCC3817DTR is a Power Factor Correction (PFC) controller integrated circuit used in power supplies to improve power factor.
Product Features and Performance
Average Current Mode PFC Controller
Switching frequencies from 6kHz to 220kHz
Low startup current of 150 µA
Operating voltage range from 12V to 17V
Designed for continuous conduction mode (CCM) PFC applications
Includes features such as soft start, under-voltage lockout, and leading-edge blanking
Product Advantages
Improves energy efficiency by shaping the input current waveform
Minimizes harmonic distortion in the power grid
Helps in compliance with international power quality standards
Reduces power consumption and heat dissipation in the system
Flexible switching frequency for diverse application needs
Key Technical Parameters
Frequency - Switching: 6kHz ~ 220kHz
Current - Startup: 150 µA
Voltage - Supply: 12V ~ 17V
Operating Temperature: 0°C ~ 70°C
Quality and Safety Features
Built-in under-voltage lockout (UVLO)
Over-voltage protection (OVP)
Thermal shutdown feature for safety
Precision voltage reference guaranteed at 2%
Compatibility
Compatible with continuous conduction mode boost converters
Standard 16-SOIC (0.154", 3.90mm Width) package for surface mount technology
Application Areas
AC/DC power supplies
Off-line power converters
Power adapters for PCs and servers
Consumer electronics power systems
Telecommunications power supplies
Product Lifecycle
Last Time Buy status indicating the product is nearing discontinuation
Potential availability of direct replacements or upgrades may exist; contact manufacturer for details
Several Key Reasons to Choose This Product
Efficient power management with improved power factor and decreased losses
Increased power supply reliability and longevity due to protective features
Excellent performance-to-cost ratio
Meets current power legislation and energy standards
Highly versatile, suitable for a wide range of power supply applications
Texas Instruments' reputation for quality and support in power management solutions