Power Integrations LinkSwitch-HP | Power Integrations
LinkSwitch-HP series from Power Integrations
Power Integrations LinkSwitch-HP Series Overview
High-power-density CV/CC flyback controller with low component count.
The LinkSwitch-HP from Power Integrations is a High-power-density CV/CC flyback controller with low component count. This series includes 60 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.
Designed for offline power conversion, the LinkSwitch-HP 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-HP 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 22W Output PowerSupports output power up to Up to 22W 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
- Charger adapters
- LED drivers
- Set-top boxes
- Smart home hubs
Compare LinkSwitch-HP Variants
Side-by-side comparison of 4 product variants from Power Integrations
| Parameter | LNK6776K-TL | LNK6666K-TL | LNK6776K | LNK6666K |
|---|---|---|---|---|
| Package / Case | 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad | 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad | eSOP-12B | eSOP-12B |
| Max Operating Temp | + 125 C | + 125 C | 150 °C | 150 °C |
| Min Operating Temp | - 40 C | - 40 C | -40 °C | -40 °C |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Auto Restart and Overvoltage Response | - | - | Auto-restart, Latch Off | Auto-restart, Latch Off |
| Availability | - | - | 现货 | 预售 |
| Breakdown Voltage | - | - | 725 V | 650 V |
| Control Features | - | - | Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Selectable Current Limit, Frequency Jittering, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control |
| Control Scheme | - | - | Primary-side | Primary-side |
| Duty Cycle | 64% | 64% | 64% | 64% |
| Duty Cycle Max | 66 % | 66 % | 66 % | - |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit |
| Input Supply Voltage Max | 265 VAC | 265 VAC | 265 VAC | - |
| Input Supply Voltage Min | 85 VAC | 85 VAC | 85 VAC | - |
| Internal Switch | - | - | Yes | Yes |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Obsolete | Obsolete |
| Max Input Voltage | - | - | 265 V | 265 V |
| Min Input Voltage | - | - | 85 V | 85 V |
| Moisture Sensitive | Yes | Yes | Yes | - |
| Number of Outputs | 1 | 1 | 1 | - |
| Operating Supply Current | 1.3 mA | 1.3 mA | 1.3 mA | - |
| Output Current | 12.5 uA | 12.5 uA | 12.5 uA | - |
| Output Isolation | Isolated | Isolated | Isolated | Isolated |
| Output Power | 30 W | 30 W | 30 W | - |
| Output Power Max Enclosed 230v | - | - | 21.0 W | 21.0 W |
| Output Power Max Enclosed Univ | - | - | 15.0 W | 15.0 W |
| Output Power Max Open Frame 230v | - | - | 48.0 W | 48.0 W |
| Output Power Max Open Frame Univ | - | - | 37.0 W | 37.0 W |
| Output Voltage | 50 V | 50 V | 50 V | - |
| Over Temperature Response | - | - | Hysteretic, Latch Off | Hysteretic, Latch Off |
| Package | 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad | 12-ESOP | eSOP-12B | eSOP-12B |
| Power Watts | 48 W | 48 W | 48 W | 48 W |
| Product Family | - | - | LinkSwitch-HP | LinkSwitch-HP |
| Product Type | - | - | IC | IC |
| Protection Features | - | - | Overtemperature, Output Overvoltage, Output Short Circuit, Output Open Loop, Output Overload, Line-compensated Overload | Overtemperature, Output Overvoltage, Output Short Circuit, Output Open Loop, Output Overload, Line-compensated Overload |
| Secondary Response | - | - | Auto-restart | Auto-restart |
| Series | LNK6xx | LNK6xx | LNK6xx | LinkSwitch™-HP |
| Supplier Device Package | 12-ESOP | 12-ESOP | 12-ESOP | 12-ESOP |
| Switching Frequency | 120kHz ~ 136kHz | 120kHz ~ 136kHz | 120kHz ~ 136kHz | 120kHz ~ 136kHz |
| Switching Frequency Max | - | - | 136 kHz | 136 kHz |
| Switching Frequency Min | - | - | 120 kHz | 120 kHz |
| Topology | Flyback | Flyback | Flyback | Flyback |
| Tradename | LinkSwitch-HP | LinkSwitch-HP | LinkSwitch-HP | - |
| Type | Off Line Converter | Off Line Converter | Off Line Converter | - |
| Voltage Breakdown | 725V | 650V | - | - |
| Request Quote | Request Quote | Request Quote | Request Quote |
Selection Guide
Package
12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad→LNK6776K-TLLNK6666K-TL
eSOP-12B→LNK6776KLNK6666K
LinkSwitch-HP Series Applications
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Automotive ElectronicsAEC-qualified semiconductors and interconnects for ADAS, EV powertrain, BMS, and vehicle networks.
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Vehicle NetworkingCAN, LIN, and automotive Ethernet transceivers and PHYs.
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Telematics & Connected VehicleCellular, GNSS, and gateway devices.
⚡
Energy & PowerPower conversion and protection components for solar, storage, charging, and industrial power.
Base Numbers
| Base Number | Description | Variants | Status | Action |
|---|---|---|---|---|
| LNK6666K | LNK6666K variants from Power Integrations | 2 MPNs | Active | View Details |
| LNK6776K | LNK6776K variants from Power Integrations | 2 MPNs | Active | View Details |
Technical Specifications
Compare key LinkSwitch-HP specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.
Power Specifications
Output Power
Up to 22W
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-HP series.
The LinkSwitch-HP is a Power Integrations High-power-density CV/CC flyback controller with low component count. The series includes 60 variants optimized for different application requirements.
The LinkSwitch-HP series currently includes 60 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The LinkSwitch-HP series is used in Charger adapters, LED drivers, Set-top boxes, and Smart home hubs. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Power Integrations products including the LinkSwitch-HP 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-HP series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.