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Power Integrations LinkSwitch-CV | Power Integrations

LinkSwitch-CV series from Power Integrations

LinkSwitch-CV Datasheet

Power Integrations LinkSwitch-CV Series Overview

Integrated constant-voltage offline converter with minimal external components.

The LinkSwitch-CV from Power Integrations is a Integrated constant-voltage offline converter with minimal external components. This series includes 8 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

Designed for offline power conversion, the LinkSwitch-CV 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 LinkSwitch-CV 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 6W Output PowerSupports output power up to Up to 6W 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

  • Appliance controls
  • Smart meters
  • IoT sensors
  • Low-power displays

Compare LinkSwitch-CV Variants

Side-by-side comparison of 6 product variants from Power Integrations

ParameterLNK626DG-TLLNK625DG-TLLNK623DG-TLLNK626DGLNK625DGLNK623DG
Package / Case---SO-8CSO-8CSO-8C
Max Operating Temp---150 °C150 °C150 °C
Min Operating Temp----40 °C-40 °C-40 °C
Breakdown Voltage---725 V725 V725 V
Control Features---Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off ControlFrequency Jittering, Auto-Restart/Latching Fault Response, On/Off ControlFrequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Control Scheme---Primary-sidePrimary-sidePrimary-side
Extracted Price---2.363.913.06
Internal Switch---YesYesYes
Inventory Result Manufacturer---Power Integrations(帕沃英蒂格盛)Power Integrations(帕沃英蒂格盛)Power Integrations(帕沃英蒂格盛)
Inventory Result Mpn---LNK626DG-TLLNK625DG-TLLNK623DG-TL
Inventory Search Mpn---LNK626DG-TLLNK625DGLNK623DG
Inventory Source---BommanLCSCLCSC
Inventory Source File---/Volumes/KINGSTON/抓取数据汇总/Bomman/bomman_search_data_20260515_182124_part1.xlsx/Volumes/KINGSTON/抓取数据汇总/LCSC/lc_search_data_20260515_172623_part5.xlsx/Volumes/KINGSTON/抓取数据汇总/LCSC/lc_search_data_20260515_172623_part5.xlsx
Lead Time---2小时到货2小时到货2小时到货
Max Input Voltage---265 V265 V265 V
Min Input Voltage---85 V85 V85 V
Official Product Url---https://www.power.com/products/linkswitch/linkswitch-cv?language=enhttps://www.power.com/products/linkswitch/linkswitch-cv?language=enhttps://www.power.com/products/linkswitch/linkswitch-cv?language=en
Output Power Max Enclosed 230v---10.5 W8.0 W6.5 W
Output Power Max Enclosed Univ---8.5 W6.5 W5.0 W
Output Power Max Open Frame 230v---17.0 W13.5 W9.0 W
Output Power Max Open Frame Univ---10.0 W8.0 W6.0 W
Output Profile---CVCVCV
Over Temperature Response---HystereticHystereticHysteretic
Package---SO-8CSO-8CSO-8C
Price Formula---extracted price / 6.8 * 2extracted price / 6.8 * 2extracted price / 6.8 * 2
Product Family---LinkSwitch-CVLinkSwitch-CVLinkSwitch-CV
Product Type---ICICIC
Protection Features---Overtemperature, Output Short Circuit, Output Open LoopOvertemperature, Output Short Circuit, Output Open LoopOvertemperature, Output Short Circuit, Output Open Loop
Secondary Response---Auto-restartAuto-restartAuto-restart
Stock---2923324504799
Topology---Flyback, Tapped BuckFlyback, Tapped BuckFlyback, Tapped Buck
Datasheet PDF PDF PDF ---
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Base Numbers

Base NumberDescriptionVariantsStatusAction
LNK623DGLNK623DG variants from Power Integrations2 MPNsActiveView Details
LNK625DGLNK625DG variants from Power Integrations2 MPNsActiveView Details
LNK626DGLNK626DG variants from Power Integrations2 MPNsActiveView Details

Technical Specifications

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

Power Specifications

Output Power
Up to 6W
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 LinkSwitch-CV series.

The LinkSwitch-CV is a Power Integrations Integrated constant-voltage offline converter with minimal external components. The series includes 8 variants optimized for different application requirements.
The LinkSwitch-CV series currently includes 8 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The LinkSwitch-CV series is used in Appliance controls, Smart meters, IoT sensors, and Low-power displays. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Power Integrations products including the LinkSwitch-CV 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 LinkSwitch-CV series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.