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ONSEMI NCP43080ADR2G Synchronous Rectifier Controller

The NCP43080 is a highly versatile synchronous rectifier controller designed for switch mode power supplies, including flyback, LLC, and QR topologies. It features adjustable minimum on-time and off-time blanking, precise current sense thresholds, and an ultra-fast turn-off comparator, ensuring maximum efficiency and reduced losses. The controller's adaptive gate clamp and light-load detection optimize performance across load conditions, while its excellent noise immunity and flexible package options make it ideal for high power density applications like notebook adapters, LCD TVs, and chargers. Its robust design guarantees reliable operation in demanding environments.

Authorized Distributors
Source:Newark
Part No:NCP43080ADR2G
Stock:313
Inv Date:06-11-2026
Price: Unit price: $0.587
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Part No:NCP43080ADR2G
Stock:2384
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Price: Unit price: $0.82
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Part No:NCP43080ADR2G
Stock:3157
Inv Date:06-12-2026
Price: Unit price: $0.58
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Part No:NCP43080ADR2G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.5212
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Part No:NCP43080ADR2G
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.5212
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Part No:NCP43080ADR2G
Stock:2450
Inv Date:06-12-2026
Price: N/A
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ONSEMI NCP43080ADR2G Synchronous Rectifier Controller Specifications:

  • Supply Voltage Range: 4 V to 35 V
  • Maximum Junction Temperature: 150°C
  • Junction to Air Thermal Resistance: SOIC-8: 160°C/W, DFN-8: 80°C/W, WDFN-8: 160°C/W
  • Gate Driver Output Voltage: 0.3 to 17 V
  • Peak Current Sink/Source: 4 A / 8 A
  • Turn-off Threshold: -0.5 mV typical, adjustable with resistor
  • Minimum ON Time: 55 ns (internally clamped to 55 ns minimum), adjustable with external resistor
  • Minimum OFF Time: 190 ns (internally clamped to 245 ns minimum), adjustable with external resistor
  • Maximum ON Time: 53 μs, adjustable via external resistor
  • Operating Frequency: Up to 1 MHz
  • Light Load Disable Mode: Yes, controlled via VLLD pin
  • Packages: SOIC-8, DFN-8, WDFN-8
  • ESD Capability: Human Body Model 2000 V; Charged Device Model 750 V
  • Power Dissipation dependent on application and layout

Buy the ON Semiconductor Series 43080 Synchronous Rectifier Controller: NCP43080ADR2G

Enhance your power supply designs with the ON Semiconductor Series 43080 NCP43080ADR2G, a high-performance synchronous rectifier controller featuring adjustable blanking periods, precise thresholds, and adaptive load management. Its robust architecture ensures maximum efficiency across load conditions, reducing losses and heat dissipation. Suitable for flyback, LLC, and QR topologies, it is perfectly suited for compact, energy-efficient electronic devices such as notebook chargers, LCD TVs, and high-density power adapters. Purchase online today and ensure your projects benefit from industry-leading control technology.

Order your ON Semiconductor Series 43080 NCP43080ADR2G today and deploy a reliable, noise-immune rectifier control solution for your high-efficiency power supplies.

Frequently Asked Questions

Where can I buy ONSEMI NCP43080ADR2G?

You can click on the BUY or RFQ button to purchase NCP43080ADR2G from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part NCP43080ADR2G?

You can download the NCP43080ADR2G datasheet or visit the ONSEMI website for support.

Who is the manufacturer of NCP43080ADR2G?

ONSEMI

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