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RT7736DGE Flyback PWM Controller - Richtek SmartJitter™ Series

The RT7736DGE is a high-performance isolated flyback PWM controller from Richtek USA Inc., part of the innovative SmartJitter™ product family. Designed for AC/DC offline switching applications, this controller delivers reliable power conversion with advanced fault protection features.

Key Features & Benefits

  • Isolated Flyback Topology - Provides electrical isolation between input and output for enhanced safety
  • Wide Supply Voltage Range - Operates from 12V to 25V with 14.5V start-up voltage
  • 65kHz Switching Frequency - Optimized for efficiency and compact transformer design
  • 75% Maximum Duty Cycle - Enables flexible design configurations
  • Comprehensive Protection - Current limiting, overload, overvoltage, and short circuit protection
  • Extended Temperature Range - Reliable operation from -40°C to 85°C
  • Compact SOT-23-6 Package - Space-saving surface mount design
  • RoHS Compliant - Meets environmental standards for global markets

Typical Applications

The RT7736DGE is ideal for AC/DC power supplies in consumer electronics, industrial equipment, LED lighting drivers, auxiliary power supplies, and smart home devices requiring isolated power conversion.

Quality & Compliance: This product is RoHS compliant and available in tape & reel packaging for automated assembly. Full traceability and technical documentation available.

Product attributes Property Value
Manufacturer Richtek USA Inc.
Product Series SmartJitter™
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) No
Voltage - Breakdown -
Topology Flyback
Voltage - Start Up 14.5 V
Voltage - Supply (Vcc/Vdd) 12V ~ 25V
Duty Cycle 75%
Frequency - Switching 65kHz
Power (Watts) -
Fault Protection Current Limiting, Over Load, Over Voltage, Short Circuit
Control Features -
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SOT-23-6
Supplier Device Package SOT-23-6
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY