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Power Integrations

Power Integrations ClampZero | Power Integrations

ClampZero series from Power Integrations

Power Integrations ClampZero Series Overview

Active-clamp flyback controller enabling ZVS operation for highest efficiency.

The ClampZero from Power Integrations is a Active-clamp flyback controller enabling ZVS operation for highest efficiency. This series includes 4 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

Designed for offline power conversion, the ClampZero integrates key power components to minimize external component count, reduce board space, and simplify the design process. these devices help engineers meet increasingly stringent energy-efficiency standards while reducing time to market.

Octatronics stocks ClampZero variants in multiple package options. Request a quote for volume pricing, check real-time availability, or contact our engineering team for application support and alternative part recommendations.

Key Features

  • Highest IntegrationPrimary, secondary, and feedback circuits integrated on a single IC, reducing external component count by up to 50%.
  • Up to 100W Output PowerSupports output power up to Up to 100W with excellent load and line regulation.
  • Comprehensive Protection SuiteIntegrated over-voltage, over-current, over-temperature, and short-circuit protection eliminates external protection circuitry.
  • Ultra-Low No-Load PowerAdvanced burst-mode operation achieves <30mW no-load power consumption, meeting the strictest standby regulations.
  • Simplified Design ProcessReference designs, PI Expert design software, and application notes accelerate time-to-production.

Target Applications

  • USB PD chargers
  • Notebook adapters
  • Telecom power
  • Industrial AC-DC

Technical Specifications

Compare key ClampZero specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.

Power Specifications

Output Power
Up to 100W
Input Voltage Range
85–265 VAC (universal input)
Peak Efficiency
>90%
No-Load Power
<30 mW

Safety & Compliance

Safety Certifications
UL, IEC 62368-1
EMI Standard
EN 55032 Class B
Energy Star
CoC Tier 2 / DoE Level VI compliant

Frequently Asked Questions

Common technical questions about the ClampZero series.

The ClampZero is a Power Integrations Active-clamp flyback controller enabling ZVS operation for highest efficiency. The series includes 4 variants optimized for different application requirements.
The ClampZero series currently includes 4 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The ClampZero series is used in USB PD chargers, Notebook adapters, Telecom power, and Industrial AC-DC. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Power Integrations products including the ClampZero series. We provide competitive pricing, fast delivery, and full traceability for all components. Request a quote or contact us for availability and lead times.
Yes, Octatronics supports both prototype and production quantities for the ClampZero series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.