The LD7576JGR is a Green Mode PWM controller manufactured by Leadtrend Technology. It is designed for high-performance AC/DC power converters. The LD7576JGR implements a 'SmartJitter' technology to improve EMI performance and meets energy saving requirements such as Energy Star.

Applications

• AC-DC power adapters for mobile devices
• Open-frame power supplies for consumer electronics
• Standby power supplies
• LED lighting power supplies
• Chargers

Features

• Green Mode Operation for High Efficiency
• SmartJitter Technology to Improve EMI Performance
• Low Startup Current
• Current Mode PWM Control
• Cycle-by-Cycle Current Limiting
• Over Voltage Protection (OVP)
• Over Load Protection (OLP)
• Over Temperature Protection (OTP)

Benefits

• High Efficiency: Designed for high efficiency to meet energy saving standards
• Low EMI: SmartJitter technology reduces electromagnetic interference
• Comprehensive Protection: Built-in protection features enhance system reliability.
• Simplified Design: Reduces component count
• Low Standby Power Consumption: Minimizes power waste during idle periods.

Additional Details

The LD7576JGR is often available in a SOT-26 package. Details on the operating frequency, and specific thresholds for OVP, OLP, and OTP are available in the Leadtrend datasheet. The datasheet provides detailed guidance on external component selection, PCB layout considerations for minimizing EMI, and application circuit examples.