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NV9573S121-RA - GaNSense™ Flyback Controller IC

The NV9573S121-RA from Navitas Semiconductor is an advanced GaNSense™ isolated flyback controller IC with integrated secondary side synchronous rectification (SR). Designed for high-efficiency power conversion applications, this controller features a 700V breakdown voltage and operates across a wide supply voltage range of 6.5V to 77V.

Key Features:

  • 700V breakdown voltage for robust performance
  • Dual switching frequencies: 100kHz and 129kHz
  • Wide supply voltage range: 6.5V ~ 77V
  • Comprehensive fault protection: Over Load, Over Temperature, Over Voltage, Short Circuit
  • 75% duty cycle capability
  • Extended operating temperature: -40°C to 125°C
  • Compact 7-ESOP surface mount package

Applications: Ideal for AC-DC power supplies, adapters, chargers, and industrial power conversion systems requiring high efficiency and reliability.

Quality & Traceability: Supplied in Tape & Reel packaging with full manufacturer traceability and long lifecycle support.

Related Resources

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Product attributes Property Value
Manufacturer Navitas Semiconductor, Inc.
Product Series GaNSense™
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback, Secondary Side SR
Voltage - Start Up 13.5 V
Voltage - Supply (Vcc/Vdd) 6.5V ~ 77V
Duty Cycle 75%
Frequency - Switching 100kHz, 129kHz
Power (Watts) -
Fault Protection Over Load, Over Temperature, Over Voltage, Short Circuit
Control Features -
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width), 7 leads, Exposed Pad
Supplier Device Package 7-ESOP

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