Power Integrations TNY278PN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.20 | $1.20 |
| 15+ | $1.16 | $17.40 |
| 25+ | $1.13 | $28.25 |
| 50+ | $1.07 | $53.50 |
| 100+ | $0.95 | $95.00 |
| N+ | $0.19 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | TinySwitch®-III |
| Packaging | Tube | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Topology | Flyback |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | - |
| Duty Cycle | 65% |
| Frequency - Switching | 132kHz |
| Power (Watts) | 28 W |
| Fault Protection | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit |
| Control Features | EN |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm), 7 Leads |
| Supplier Device Package | 8-PDIP-C |
| ROHS |  |
The Power Integrations TNY278PN is an isolated flyback offline switcher from the TinySwitch-III series with an integrated 700V power switch. It delivers 28W output at 132kHz switching frequency with 65% maximum duty cycle. Protection includes Current Limiting, Open Loop, Over Temperature, Over Voltage, and Short Circuit, in an 8-DIP package rated for -40°C to 150°C junctions.
- Integrated 700V switch simplifies isolated flyback designs.
- 28W output power suits medium-power offline supplies.
- 132kHz switching frequency with 65% max duty cycle.
- Broad protection: Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit.
- Wide -40°C to 150°C junction temperature range.
Offline Power Supplies
The TNY278PN integrates a 700V switch in an isolated flyback topology, delivering 28W for AC-DC supplies with minimal external components.
Consumer Adapters and Chargers
With 132kHz switching and 65% max duty cycle, this TinySwitch-III device supports efficient isolated adapters.
Appliance Bias Supplies
Current Limiting, Open Loop, Over Temperature, Over Voltage, and Short Circuit protection safeguard appliance rails across -40°C to 150°C.
Industrial Offline Converters
The wide junction temperature range and integrated switch make this flyback device suitable for robust industrial power stages.
- Q: What topology does the TNY278PN use?
- A: It is an isolated flyback offline switcher from the TinySwitch-III series.
- Q: Does it have an integrated switch?
- A: Yes, it integrates the power switch on-chip.
- Q: What is the breakdown voltage?
- A: 700V drain-source breakdown rating.
- Q: What power and frequency?
- A: 28W output power with 132kHz switching frequency.
- Q: What protections are included?
- A: Current Limiting, Open Loop, Over Temperature, Over Voltage, and Short Circuit protection.
TNY278PN.pdf
- Q: What topology does the TNY278PN use?
- A: It is an isolated flyback offline switcher from the TinySwitch-III series.
- Q: Does it have an integrated switch?
- A: Yes, it integrates the power switch on-chip.
- Q: What is the breakdown voltage?
- A: 700V drain-source breakdown rating.
- Q: What power and frequency?
- A: 28W output power with 132kHz switching frequency.
- Q: What protections are included?
- A: Current Limiting, Open Loop, Over Temperature, Over Voltage, and Short Circuit protection.
