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Power Integrations InnoSwitch3-PD | Power Integrations

InnoSwitch3-PD series from Power Integrations

Power Integrations InnoSwitch3-PD Series Overview

Integrated USB PD flyback controller with embedded USB PD protocol engine.

The InnoSwitch3-PD from Power Integrations is a Integrated USB PD flyback controller with embedded USB PD protocol engine. This series includes 13 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.

Designed for offline power conversion, the InnoSwitch3-PD 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-PD 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 65W Output PowerSupports output power up to Up to 65W 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
  • Travel adapters
  • Fast chargers
  • Laptop power adapters

Compare InnoSwitch3-PD Variants

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

ParameterINN3879C-H803INN3879C-H801INN3878C-H804INN3878C-H801INN3870C-H805INN3870C-H801
Package / CaseInSOP-24DInSOP-24DInSOP-24DInSOP-24DInSOP-24DInSOP-24D
Max Operating Temp150 °C150 °C150 °C150 °C150 °C150 °C
Min Operating Temp-40 °C-40 °C-40 °C-40 °C-40 °C-40 °C
Auto Restart and Overvoltage ResponseAuto-restart, Latch OffAuto-restart, Latch OffAuto-restart, Latch OffAuto-restart, Latch OffAuto-restart, Latch OffAuto-restart, Latch Off
Breakdown Voltage750 V750 V750 V750 V750 V750 V
Cable Drop CompensationXXXXXX
Control SchemeFluxlinkFluxlinkFluxlinkFluxlinkFluxlinkFluxlink
Internal SwitchYesYesYesYesYesYes
Max Input Voltage265 V265 V265 V265 V265 V265 V
Min Input Voltage85 V85 V85 V85 V85 V85 V
MSL Rating333333
Official Product URLhttps://www.power.com/products/innoswitch/innoswitch3-pd?language=enhttps://www.power.com/products/innoswitch/innoswitch3-pd?language=enhttps://www.power.com/products/innoswitch/innoswitch3-pd?language=enhttps://www.power.com/products/innoswitch/innoswitch3-pd?language=enhttps://www.power.com/products/innoswitch/innoswitch3-pd?language=enhttps://www.power.com/products/innoswitch/innoswitch3-pd?language=en
Output Power Max Enclosed 230v45.0 W60.0 W30.0 W45.0 W100.0 W65.0 W
Output Power Max Enclosed Univ45.0 W60.0 W30.0 W45.0 W100.0 W65.0 W
Output Power Max Open Frame 230v45.0 W60.0 W30.0 W45.0 W100.0 W65.0 W
Output Power Max Open Frame Univ45.0 W60.0 W30.0 W45.0 W100.0 W65.0 W
Output ProfileCV/CCCV/CCCV/CCCV/CCCV/CCCV/CC
Over Temperature ResponseHystereticHystereticHystereticHystereticHystereticHysteretic
PackageInSOP-24DInSOP-24DInSOP-24DInSOP-24DInSOP-24DInSOP-24D
Pdos and Apdos5V/5A, 9V/5A, 15V/3A, 20V/2.25A, 3.3-11V/5A, 3.3-16V/3A, 3.3-21V/2.25A5V/3A, 9V/3A, 15V/3A, 20V/3A, 3.3-21V/3A5V/3A, 9V/3A, 12V/2.5A, 15V/2A, 20V/1.5A, 3.3-11V/3A, 3.3-16V/2A5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/2.25A, 3.3-16V/3A, 3.3-21V/2.25A5V/5A, 9V/5A, 12V/5A, 15V/5A, 20V/5A, 3.3-21V/5A5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A, 3.3-21V/3A
PowiganYesYesYesYesYesYes
Product FamilyInnoSwitch3-PDInnoSwitch3-PDInnoSwitch3-PDInnoSwitch3-PDInnoSwitch3-PDInnoSwitch3-PD
Product TypeICICICICICIC
Protection FeaturesInput Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, OvertemperatureInput Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, OvertemperatureInput Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, OvertemperatureInput Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, OvertemperatureInput Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, OvertemperatureInput Overvoltage, Input Undervoltage, Open SR FET Detection, Output Overload, Output Overvoltage, Output Short Circuit, Overtemperature
Secondary ResponseAuto-restart, Latch OffAuto-restart, Latch OffAuto-restart, Latch OffAuto-restart, Latch OffAuto-restart, Latch OffAuto-restart, Latch Off
Switching Frequency Max95 kHz95 kHz95 kHz95 kHz95 kHz95 kHz
Switching Frequency Min25 kHz25 kHz25 kHz25 kHz25 kHz25 kHz
TopologyFlybackFlybackFlybackFlybackFlybackFlyback
Voltage Output Max24 V24 V24 V24 V24 V24 V
Voltage Output Min3 V3 V3 V3 V3 V3 V
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Base Numbers

Base NumberDescriptionVariantsStatusAction
INN3870CINN3870C variants from Power Integrations2 MPNsActiveView Details
INN3878CINN3878C variants from Power Integrations2 MPNsActiveView Details
INN3879CINN3879C variants from Power Integrations2 MPNsActiveView Details

Technical Specifications

Compare key InnoSwitch3-PD specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.

Power Specifications

Output Power
Up to 65W
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-PD series.

The InnoSwitch3-PD is a Power Integrations Integrated USB PD flyback controller with embedded USB PD protocol engine. The series includes 13 variants optimized for different application requirements.
The InnoSwitch3-PD series currently includes 13 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The InnoSwitch3-PD series is used in USB PD chargers, Travel adapters, Fast chargers, and Laptop power adapters. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Power Integrations products including the InnoSwitch3-PD 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-PD series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.