Power Integrations INN4576F-H342-TL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.04 | $3.04 |
| 15+ | $2.94 | $44.10 |
| 25+ | $2.88 | $72.00 |
| 50+ | $2.72 | $136.00 |
| 100+ | $2.40 | $240.00 |
| N+ | $0.48 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | InnoSwitch™4-Pro |
| Packaging | Tape & Reel (TR) | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 750V |
| Topology | Flyback, Secondary Side SR |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | 85V ~ 265V |
| Duty Cycle | - |
| Frequency - Switching | - |
| Power (Watts) | 125 W |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit, UVLO |
| Control Features | EN, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 28-PowerSMD Module (0.425", 10.80mm Width), 20 Leads |
| Supplier Device Package | InSOP-T28D |
| ROHS |
The INN4576F-H342-TL from Power Integrations is an isolated flyback AC-DC converter featuring secondary-side synchronous rectification and an integrated 750 V switch. It delivers up to 125 W from an 85-265 VAC input, with EN and frequency control, soft start, and comprehensive fault protection for dependable power supply designs.
- 125 W output from universal 85-265 VAC input covers medium-power isolated applications.
- Integrated 750 V switch simplifies isolated flyback design.
- Secondary-side synchronous rectification improves isolated power efficiency.
- Comprehensive fault protection (current limiting, over load, over temperature, over voltage, short circuit, UVLO) enhances reliability.
- EN, frequency control, and soft start provide flexible design control.
Industrial AC-DC Supplies
The 750 V integrated switch and 125 W output support isolated flyback designs for industrial equipment powered from 85-265 VAC mains.
Networking and Telecom
Secondary-side SR and comprehensive fault protection suit reliable isolated auxiliary power in networking hardware.
Consumer Adapters
EN control, frequency control, and soft start enable flexible isolated flyback designs for medium-power adapters.
Home Appliances
Wide -40°C to 105°C operation and full protection set support robust appliance power stages.
Display and Lighting
The 125 W capability supports isolated power stages for display and lighting systems.
- Q: What topology does the INN4576F-H342-TL use?
- A: It is an isolated flyback converter with secondary-side synchronous rectification.
- Q: How much power can it deliver?
- A: Up to 125 W from an 85-265 VAC input.
- Q: What is the switch breakdown voltage?
- A: The integrated switch is rated at 750 V.
- Q: What is the Vcc supply range?
- A: 85 V to 265 V.
- Q: What is the operating temperature range?
- A: -40°C to 105°C (TA).
- Q: What topology does the INN4576F-H342-TL use?
- A: It is an isolated flyback converter with secondary-side synchronous rectification.
- Q: How much power can it deliver?
- A: Up to 125 W from an 85-265 VAC input.
- Q: What is the switch breakdown voltage?
- A: The integrated switch is rated at 750 V.
- Q: What is the Vcc supply range?
- A: 85 V to 265 V.
- Q: What is the operating temperature range?
- A: -40°C to 105°C (TA).

INN4576F-H342-TL.pdf