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Renesas IW1820-35 Offline Flyback Switching Regulator IC

The IW1820-35 is a high-performance isolated flyback switching regulator from Renesas Electronics Corporation, designed for mission-critical power management applications in aerospace, automotive, industrial, medical, and telecommunications systems.

Key Features:

  • 15W power output with 800V breakdown voltage for robust isolation
  • 72kHz switching frequency for efficient power conversion
  • Integrated soft start and comprehensive fault protection (current limiting, over-temperature, over-voltage, short circuit)
  • Wide operating temperature range: -40°C to 150°C (TJ)
  • Surface mount 10-SOIC package with fused leads for reliable assembly
  • RoHS/REACH compliant for environmental compliance

Applications: Ideal for isolated DC-DC converters, industrial power supplies, telecom infrastructure, medical equipment, and automotive electronics requiring long lifecycle availability and full traceability.

Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 800V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) 25V
Duty Cycle -
Frequency - Switching 72kHz
Power (Watts) 15 W
Fault Protection Current Limiting, Over Temperature, Over Voltage, Short Circuit
Control Features Soft Start
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 10-SOIC (0.154", 3.90mm Width), Fused Leads
Supplier Device Package 10-SOIC Batwing
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY