IR1155STRPBF – Smart Secondary-Side PWM Controller with Sync Function

Description

Technical specifications:

• Input voltage range: 10V to 20V
• Quiescent current: < 2.5mA
• Synchronization: Compatible with primary-side controllers
• Protection features: UVLO, cycle-by-cycle current limiting, thermal shutdown
• Output drive: Capable of driving MOSFETs directly
• Package: 8-pin SOIC
• Operating temperature: -40°C to +125°C
• Applications: Server and telecom power supplies, industrial power systems, AC-DC converters

Product features:

• Smart secondary-side control: Enhances efficiency in isolated power supplies
• Adaptive zero-voltage detection: Ensures optimal switching timing
• Synchronization function: Coordinates with primary-side PWM for better performance
• Cycle-by-cycle current limit: Offers protection and stability
• Low quiescent current: Minimizes power consumption in standby mode
• Internal reference and error amplifier: Reduces need for external components