Power Integrations DPA-Switch | Power Integrations
DPA-Switch series from Power Integrations
Power Integrations DPA-Switch Series Overview
Integrated DC-DC converter IC for isolated bus converter and POL applications.
The DPA-Switch from Power Integrations is a Integrated DC-DC converter IC for isolated bus converter and POL applications. This series includes 10 variants, each tailored for specific application requirements while sharing a common architecture and design ecosystem.
Designed for offline power conversion, the DPA-Switch 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 DPA-Switch 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 40W Output PowerSupports output power up to Up to 40W 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
- Telecom power
- Server power
- Bus converters
- Distributed power architectures
Compare DPA-Switch Variants
Side-by-side comparison of 10 product variants from Power Integrations
| Parameter | DPA426R-TL | DPA424GN-TL | DPA423GN-TL | DPA426R | DPA425R | DPA425PN | DPA425GN | DPA424R | DPA424PN | DPA424GN |
|---|---|---|---|---|---|---|---|---|---|---|
| Package / Case | - | - | - | TO-263-7C | TO-263-7C | DIP-8 | SMD-8 | TO-263-7C | DIP-8 | SMD-8 |
| Max Operating Temp | - | - | - | 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 |
| Auto Restart and Overvoltage Response | - | - | - | Auto-restart | Auto-restart | Auto-restart | Auto-restart | Auto-restart | Auto-restart | Auto-restart |
| Auto Restart Threshold | - | - | - | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 |
| Availability | - | - | - | 预售 | 现货 | - | - | 现货 | 现货 | 现货 |
| Breakdown Voltage | - | - | - | 220 V | 220 V | 220 V | 220 V | 220 V | 220 V | 220 V |
| Control Features | - | - | - | Synchronous Rectification, Programmable Switching Frequency, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Synchronous Rectification, Programmable Switching Frequency, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Synchronous Rectification, Programmable Switching Frequency, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Synchronous Rectification, Programmable Switching Frequency, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Synchronous Rectification, Programmable Switching Frequency, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Synchronous Rectification, Programmable Switching Frequency, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control | Synchronous Rectification, Programmable Switching Frequency, Soft Start, Auto-Restart/Latching Fault Response, On/Off Control |
| Control Scheme | - | - | - | Secondary-side | Secondary-side | Secondary-side | Secondary-side | Secondary-side | Secondary-side | Secondary-side |
| Extracted Price | - | - | - | 25.215 | 34.88 | 2.7701 | 2.1356 | 36.94 | 20.38 | 16.44 |
| Internal Switch | - | - | - | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| 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) | Power Integrations(帕沃英蒂格盛) | Power Integrations(帕沃英蒂格盛) |
| Inventory Result Mpn | - | - | - | DPA426R-TL | DPA425R-TL | - | - | DPA424R-TL | DPA424PN | DPA424GN-TL |
| Inventory Search Mpn | - | - | - | DPA426R-TL | DPA425R-TL | - | - | DPA424R-TL | DPA424PN | DPA424GN |
| Inventory Source | - | - | - | LCSC | LCSC | Winsource | Winsource | LCSC | LCSC | LCSC |
| Inventory Source File | - | - | - | /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 | /Volumes/T7 Shield/电子元器件数据/抓取的数据/Win-Source数据/winsource_未曾下架数据_202605_1.xlsx | /Volumes/T7 Shield/电子元器件数据/抓取的数据/Win-Source数据/winsource_未曾下架数据_202605_1.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 | /Volumes/KINGSTON/抓取数据汇总/LCSC/lc_search_data_20260515_172623_part5.xlsx |
| Lead Time | - | - | - | 3-5个工作日天 | 2小时到货 | - | - | 2小时到货 | 2小时到货 | 2小时到货 |
| Max Input Voltage | - | - | - | 75 V | 75 V | 75 V | 75 V | 75 V | 75 V | 75 V |
| Min Input Voltage | - | - | - | 16 V | 16 V | 16 V | 16 V | 16 V | 16 V | 16 V |
| Official Product URL | - | - | - | https://www.power.com/products/dpa-switch/dpa-switch?language=en | https://www.power.com/products/dpa-switch/dpa-switch?language=en | https://www.power.com/products/dpa-switch/dpa-switch?language=en | https://www.power.com/products/dpa-switch/dpa-switch?language=en | https://www.power.com/products/dpa-switch/dpa-switch?language=en | https://www.power.com/products/dpa-switch/dpa-switch?language=en | https://www.power.com/products/dpa-switch/dpa-switch?language=en |
| Output Power Max Enclosed Univ | - | - | - | 100.0 W | 70.0 W | 70.0 W | 70.0 W | 35.0 W | 35.0 W | 35.0 W |
| Over Temperature Response | - | - | - | Auto-restart | Auto-restart | Auto-restart | Auto-restart | Auto-restart | Auto-restart | Auto-restart |
| Package | - | - | - | TO-263-7C | TO-263-7C | DIP-8 | SMD-8 | TO-263-7C | DIP-8 | SMD-8 |
| Price Formula | - | - | - | extracted price / 6.8 * 2 | extracted price / 6.8 * 2 | winsource min price * 2 | winsource min price * 2 | extracted price / 6.8 * 2 | extracted price / 6.8 * 2 | extracted price / 6.8 * 2 |
| Product Family | - | - | - | DPA-Switch | DPA-Switch | DPA-Switch | DPA-Switch | DPA-Switch | DPA-Switch | DPA-Switch |
| Product Type | - | - | - | IC | IC | IC | IC | IC | IC | IC |
| Protection Features | - | - | - | Input Overvoltage, Input Undervoltage, Output Open Loop, Output Overload, Overtemperature, Remote Shutdown | Input Overvoltage, Input Undervoltage, Output Open Loop, Output Overload, Overtemperature, Remote Shutdown | Input Overvoltage, Input Undervoltage, Output Open Loop, Output Overload, Overtemperature, Remote Shutdown | Input Overvoltage, Input Undervoltage, Output Open Loop, Output Overload, Overtemperature, Remote Shutdown | Input Overvoltage, Input Undervoltage, Output Open Loop, Output Overload, Overtemperature, Remote Shutdown | Input Overvoltage, Input Undervoltage, Output Open Loop, Output Overload, Overtemperature, Remote Shutdown | Input Overvoltage, Input Undervoltage, Output Open Loop, Output Overload, Overtemperature, Remote Shutdown |
| Stock | - | - | - | 1728 | 49 | 2215 | 8375 | 1 | 21 | 901 |
| Switching Frequency Max | - | - | - | 400 kHz | 400 kHz | 400 kHz | 400 kHz | 400 kHz | 400 kHz | 400 kHz |
| Switching Frequency Min | - | - | - | 300 kHz | 300 kHz | 300 kHz | 300 kHz | 300 kHz | 300 kHz | 300 kHz |
| Topology | - | - | - | Forward | Flyback, Forward | Flyback, Forward | Flyback, Forward | Flyback, Forward | Flyback, Forward | Flyback, Forward |
| Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote | Request Quote |
Selection Guide
Package
TO-263-7C→DPA426RDPA425RDPA424R
DIP-8→DPA425PNDPA424PN
SMD-8→DPA425GNDPA424GN
DPA-Switch Series Applications
⚡
Energy & PowerPower semiconductors, battery management ICs, solar inverter components, and EV charging modules.
⚡
EV & PowertrainBattery management ICs, cell balancing circuits, and high-voltage isolation components for electric vehicles.
⚡
Solar InvertersHigh-efficiency power conversion for photovoltaic systems.
🚗
Automotive Power Management
Base Numbers
| Base Number | Description | Variants | Status | Action |
|---|---|---|---|---|
| DPA423GN | DPA423GN variants from Power Integrations | 2 MPNs | Active | View Details |
| DPA424GN | DPA424GN variants from Power Integrations | 2 MPNs | Active | View Details |
| DPA426R | DPA426R variants from Power Integrations | 2 MPNs | Active | View Details |
Technical Specifications
Compare key DPA-Switch specifications across available variants. All parameters are typical values at 25 degC unless otherwise noted.
Power Specifications
Output Power
Up to 40W
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 DPA-Switch series.
The DPA-Switch is a Power Integrations Integrated DC-DC converter IC for isolated bus converter and POL applications. The series includes 10 variants optimized for different application requirements.
The DPA-Switch series currently includes 10 variants. Each variant may differ in package type, operating specifications, and feature set. Browse the product table above to compare available options.
The DPA-Switch series is used in Telecom power, Server power, Bus converters, and Distributed power architectures. Contact our applications team for design-in support and recommendation.
Octatronics is an authorized distributor of Power Integrations products including the DPA-Switch 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 DPA-Switch series. Small-quantity orders are available for design evaluation, with volume pricing for production runs. Contact our sales team for custom pricing.