Power Integrations INN4276C-H181-TL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.11 | $2.11 |
| 15+ | $2.04 | $30.60 |
| 25+ | $2.00 | $50.00 |
| 50+ | $1.89 | $94.50 |
| 100+ | $1.67 | $167.00 |
| N+ | $0.33 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | |
| 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 | 50kHz ~ 140kHz |
| Power (Watts) | 125 W |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage, UVLO |
| Control Features | Soft Start |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 24-PowerSMD Module (0.425", 10.80mm Width), 17 Leads |
| Supplier Device Package | InSOP-24D |
| ROHS |  |
The Power Integrations INN4276C-H181-TL is an isolated flyback offline switcher featuring secondary-side synchronous rectification and an integrated 750V power switch. It delivers up to 125W and switches between 50kHz and 140kHz. Control features include soft start, with protections covering current limiting, over temperature, over voltage, and UVLO. It is housed in a 24-PowerSMD module and rated for -40°C to 105°C.
- Integrated 750V switch and secondary-side SR simplify isolated flyback design.
- Supports up to 125W output for higher-power isolated supplies.
- Wide 50kHz to 140kHz switching range offers design flexibility.
- Protections include current limiting, over temperature, over voltage, and UVLO.
- Compact 24-PowerSMD module package enables space-efficient layouts.
High-Power Isolated Power Supplies
The INN4276C-H181-TL pairs a 750V integrated switch with secondary-side synchronous rectification in a flyback topology, supporting up to 125W for higher-power isolated supplies.
Industrial and Appliance Power
Operating from -40°C to 105°C, the device suits embedded power in industrial and appliance systems requiring robust fault handling.
Wide-Range Offline Conversion
A 50kHz to 140kHz switching range provides design flexibility for offline converters across varying load conditions.
Compact PowerSMD Designs
The 24-PowerSMD module package with 17 leads enables space-efficient layouts for offline switchers in constrained enclosures.
- Q: What topology does the INN4276C-H181-TL use?
- A: It is an isolated flyback converter with secondary-side synchronous rectification.
- Q: Does it include an integrated switch?
- A: Yes, the power switch is integrated on-chip.
- Q: What is the breakdown voltage?
- A: The switch has a 750V breakdown rating.
- Q: What power level does it support?
- A: It is rated for 125W output power.
- Q: What switching frequency does it use?
- A: It operates from 50kHz to 140kHz.
- Q: What protections are included?
- A: Current limiting, over temperature, over voltage, and UVLO.
INN4276C-H181-TL.pdf
- Q: What topology does the INN4276C-H181-TL use?
- A: It is an isolated flyback converter with secondary-side synchronous rectification.
- Q: Does it include an integrated switch?
- A: Yes, the power switch is integrated on-chip.
- Q: What is the breakdown voltage?
- A: The switch has a 750V breakdown rating.
- Q: What power level does it support?
- A: It is rated for 125W output power.
- Q: What switching frequency does it use?
- A: It operates from 50kHz to 140kHz.
- Q: What protections are included?
- A: Current limiting, over temperature, over voltage, and UVLO.
