Power Integrations InnoSwitch3-CP | Power Integrations
InnoSwitch3-CP series from Power Integrations
Power Integrations InnoSwitch3-CP Series Overview
InnoSwitch3-CP integrated power conversion IC for AC-DC and DC-DC applications.
The InnoSwitch3-CP from Power Integrations is a InnoSwitch3-CP integrated power conversion IC for AC-DC and DC-DC applications. This series includes 34 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.
Designed for offline power conversion, the InnoSwitch3-CP 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 InnoSwitch3-CP 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%.
- Scalable Output PowerSupports output power across a wide range 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
- Consumer chargers and adapters
- Industrial power supplies
- LED lighting drivers
- Home appliances
- IoT and smart home devices
Compare InnoSwitch3-CP Variants
Side-by-side comparison of 10 product variants from Power Integrations
| Parameter | INN3279C-H218 | INN3279C-H217 | INN3279C-H215 | INN3279C-H114 | INN3278C-H217 | INN3278C-H215 | INN3278C-H114 | INN3276C-H206 | INN3276C-H204 | INN3276C-H203 |
|---|---|---|---|---|---|---|---|---|---|---|
| Package / Case | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D |
| Max Operating Temp | 150 °C | 150 °C | 150 °C | 150 °C | 150 °C | 150 °C | 150 °C | 150 °C | 150 °C | 150 °C |
| Min Operating Temp | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C |
| Auto Restart and Overvoltage Response | Auto-restart | Latch Off | Auto-restart | Auto-restart | Latch Off | Auto-restart | Auto-restart | Latch Off | Auto-restart | Auto-restart |
| Auto Restart Threshold | 3.45 V | 63% | 3.45 V | 63% | 63% | 3.45 V | 63% | 63% | 3.45 V | 3.45 V |
| Breakdown Voltage | 750 V | 750 V | 750 V | 750 V | 750 V | 750 V | 750 V | 725 V | 725 V | 725 V |
| Cable Drop Compensation | 0 mV | 0 mV | 0 mV | 0 mV | 0 mV | 0 mV | 0 mV | 0 mV | 300 mV | 0 mV |
| Control Scheme | Fluxlink | Fluxlink | Fluxlink | Fluxlink | Fluxlink | Fluxlink | Fluxlink | Fluxlink | Fluxlink | Fluxlink |
| Internal Switch | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Max Input Voltage | 265 V | 265 V | 265 V | 265 V | 265 V | 265 V | 265 V | 265 V | 265 V | 265 V |
| Min Input Voltage | 85 V | 85 V | 85 V | 85 V | 85 V | 85 V | 85 V | 85 V | 85 V | 85 V |
| MSL Rating | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Official Product Url | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en | https://www.power.com/products/innoswitch/innoswitch3-cp?language=en |
| Output Power Max Enclosed 230v | 80.0 W | 80.0 W | 80.0 W | 80.0 W | 70.0 W | 70.0 W | 70.0 W | 35.0 W | 35.0 W | 35.0 W |
| Output Power Max Enclosed Univ | 65.0 W | 65.0 W | 65.0 W | 65.0 W | 55.0 W | 55.0 W | 55.0 W | 27.0 W | 27.0 W | 27.0 W |
| Output Power Max Open Frame 230v | 85.0 W | 85.0 W | 85.0 W | 85.0 W | 75.0 W | 75.0 W | 75.0 W | 40.0 W | 40.0 W | 40.0 W |
| Output Power Max Open Frame Univ | 75.0 W | 75.0 W | 75.0 W | 75.0 W | 65.0 W | 65.0 W | 65.0 W | 36.0 W | 36.0 W | 36.0 W |
| Output Profile | CC | CC | CC | CC | CC | CC | CC | CC | CP | CV/CC |
| Over Temperature Response | Auto-restart | Latch Off | Latch Off | Auto-restart | Latch Off | Latch Off | Auto-restart | Latch Off | Hysteretic | Hysteretic |
| Package | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D | InSOP-24D |
| Powigan | Yes | Yes | Yes | Yes | Yes | Yes | Yes | - | - | - |
| Product Family | InnoSwitch3-CP | InnoSwitch3-CP | InnoSwitch3-CP | InnoSwitch3-CP | InnoSwitch3-CP | InnoSwitch3-CP | InnoSwitch3-CP | InnoSwitch3-CP | InnoSwitch3-CP | InnoSwitch3-CP |
| Product Type | IC | IC | IC | IC | IC | IC | IC | IC | IC | IC |
| Protection Features | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature | Input Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature |
| Secondary Response | Latch Off | Latch Off | Latch Off | Auto-restart | Latch Off | Latch Off | Auto-restart | Latch Off | Auto-restart | Auto-restart |
| Switching Frequency Max | 95 kHz | 95 kHz | 95 kHz | 95 kHz | 95 kHz | 95 kHz | 95 kHz | 95 kHz | 95 kHz | 95 kHz |
| Switching Frequency Min | 25 kHz | 25 kHz | 25 kHz | 25 kHz | 25 kHz | 25 kHz | 25 kHz | 25 kHz | 25 kHz | 25 kHz |
| Topology | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback | Flyback |
| Voltage Output Max | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V | 24 V |
| Voltage Output Min | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote |
InnoSwitch3-CP Series Applications
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Energy & PowerPower semiconductors, battery management ICs, solar inverter components, and EV charging modules.
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EV & PowertrainBattery management ICs, cell balancing circuits, and high-voltage isolation components for electric vehicles.
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Solar InvertersHigh-efficiency power conversion for photovoltaic systems.
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Automotive Power Management
Base Numbers
| Base Number | Description | Variants | Status | Action |
|---|---|---|---|---|
| INN3264C | INN3264C variants from Power Integrations | 2 MPNs | Active | View Details |
| INN3265C | INN3265C variants from Power Integrations | 3 MPNs | Active | View Details |
| INN3266C | INN3266C variants from Power Integrations | 4 MPNs | Active | View Details |
| INN3268C | INN3268C variants from Power Integrations | 6 MPNs | Active | View Details |
| INN3270C | INN3270C variants from Power Integrations | 3 MPNs | Active | View Details |
| INN3274C | INN3274C variants from Power Integrations | 2 MPNs | Active | View Details |
| INN3275C | INN3275C variants from Power Integrations | 2 MPNs | Active | View Details |
| INN3276C | INN3276C variants from Power Integrations | 3 MPNs | Active | View Details |
| INN3278C | INN3278C variants from Power Integrations | 3 MPNs | Active | View Details |
| INN3279C | INN3279C variants from Power Integrations | 4 MPNs | Active | View Details |
Technical Specifications
Compare key InnoSwitch3-CP specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.
Power Specifications
Output Power
See datasheet
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 InnoSwitch3-CP series.
The InnoSwitch3-CP is a Power Integrations InnoSwitch3-CP integrated power conversion IC for AC-DC and DC-DC applications. The series includes 34 variants optimized for different application requirements.
The InnoSwitch3-CP series currently includes 34 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
Octatronics is an authorized distributor of Power Integrations products including the InnoSwitch3-CP 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 InnoSwitch3-CP series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.