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Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) No
Voltage - Breakdown -
Topology Secondary Side SR
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) 45V
Duty Cycle -
Frequency - Switching -
Power (Watts) 45 W
Fault Protection Current Limiting, Over Temperature, Over Voltage, Short Circuit
Control Features -
Operating Temperature -40°C ~ 150°C (TJ)
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

Renesas IW1797-05 Secondary Side Synchronous Rectification Controller

The IW1797-05 from Renesas Electronics is a high-performance secondary side synchronous rectification (SR) controller designed for isolated AC/DC and DC/DC power conversion applications up to 45W. This advanced controller IC optimizes power efficiency in switch-mode power supplies by intelligently driving synchronous rectification MOSFETs on the secondary side, reducing conduction losses and improving overall system performance.

Key Features & Benefits

  • 45W Power Handling: Ideal for medium-power applications including adapters, chargers, and industrial power supplies
  • Comprehensive Protection: Built-in current limiting, over-temperature, over-voltage, and short circuit protection ensures reliable operation
  • Wide Operating Temperature: -40°C to 150°C (TJ) junction temperature range for demanding industrial environments
  • Compact SOT-23-6 Package: Space-saving surface mount design for high-density PCB layouts
  • RoHS Compliant: Meets environmental standards for global market compliance
  • 45V Supply Voltage: Flexible power supply compatibility

Applications

Perfect for AC/DC adapters, battery chargers, LED drivers, telecom power supplies, industrial control systems, and consumer electronics requiring efficient isolated power conversion.

Ordering Information: Available in tape and reel packaging for automated assembly. Contact us for volume pricing, technical support, and delivery options.

No datasheet available. Please contact sales@hqickey.com for the latest datasheet.