Power Integrations TNY278PG
| 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 TNY278PG from Power Integrations is an isolated flyback offline switcher from the TinySwitch-III series with an integrated 700V switch. It delivers up to 28 W at 132kHz with 65% maximum duty cycle, offering current limiting, open loop, over temperature, over voltage, and short circuit protection in an 8-DIP package rated to 150°C junction temperature.
- Integrated 700V switch reduces external component count in isolated flyback designs.
- 28 W output at 132kHz suits compact low-power adapters.
- Comprehensive fault protection including open loop and short circuit enhances safety.
- EN control feature simplifies design implementation.
- -40°C to 150°C junction temperature range supports demanding environments.
Low-Power AC-DC Adapters
The 28 W output and 700V integrated switch make this flyback controller well suited for compact isolated adapters and chargers.
Standby and Auxiliary Supplies
Isolated flyback topology with open loop and short circuit protection supports reliable standby power in consumer and industrial systems.
Home Appliances
The -40°C to 150°C junction temperature range and comprehensive fault protection suit appliance control board supplies.
Metering and Building Automation
Low power and 132kHz switching support compact isolated supplies for metering and building automation devices.
- Q: What topology does the TNY278PG use?
- A: It is an isolated flyback offline switcher with an integrated switch.
- Q: What is the breakdown voltage?
- A: The internal switch has a 700V breakdown rating.
- Q: How much power can it deliver?
- A: It supports up to 28 W output power at 132kHz.
- Q: What is the maximum duty cycle?
- A: The maximum duty cycle is 65%.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.
TNY278PG.pdf
- Q: What topology does the TNY278PG use?
- A: It is an isolated flyback offline switcher with an integrated switch.
- Q: What is the breakdown voltage?
- A: The internal switch has a 700V breakdown rating.
- Q: How much power can it deliver?
- A: It supports up to 28 W output power at 132kHz.
- Q: What is the maximum duty cycle?
- A: The maximum duty cycle is 65%.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, over voltage, and short circuit protection.
