Manufacturer Part Number
LT1248IS#PBF
Manufacturer
Analog Devices
Introduction
The LT1248IS#PBF is a Power Factor Correction (PFC) controller IC designed for power supply applications to minimize line current harmonics.
Product Features and Performance
Average Current Mode for superior noise immunity
High switching frequency of 300kHz
Low startup current of 250 µA
Wide supply voltage range from 15.5V to 27V
High operating temperature range from -40°C to 125°C
Surface mount package for compact design
Incorporates features for controlled startup
Product Advantages
Minimizes power loss due to high frequency operation
Reduced electromagnetic interference (EMI)
Improved thermal performance and reliability
Suitable for high-density power supply designs
Key Technical Parameters
Frequency Switching: 300kHz
Current Startup: 250µA
Voltage Supply: 15.5V ~ 27V
Operating Temperature: -40°C to 125°C
Quality and Safety Features
Robust design with overtemperature protection
Stable operation within specified temperature range
Compatibility
Compatible with various inductor and MOSFET types for flexibility in design
Application Areas
AC-DC power supplies
Power adaptors for laptops and PCs
Industrial power systems
Telecommunications power supplies
Product Lifecycle
Currently active status
No indication of nearing discontinuation
Support for replacements and upgrades usually provided
Several Key Reasons to Choose This Product
High efficiency PFC controller from a reputable manufacturer, Analog Devices
Extended operating temperature range suitable for a wide variety of environments
Supports a compact design with its surface mount package
Aids compliance with international power factor regulations
Enhances power supply design with reduced ripple and improved power quality