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TNY278GN-TL,TinySwitch-III, Power Integrations, The TinySwitch-III family provides Low Power AC-DC Power Conversion (Up to 36.5 W)

700V Internal MOSFET Rating
Frequency Jitter Reduces EMI
EcoSmart® Low Standby/No-load Power Consumption
Latching Output Overvoltage Protection
Line Undervoltage (UV) Lockout
Selectable Current Limit
TNY278GN-TL ,TinySwitch-III incorporates a 700 V power MOSFET, oscillator, high voltage switched current source, current limit (user selectable) and thermal shutdown circuitry. The IC family uses an ON/OFF control scheme and offers a design flexible solution with a low system cost and extended power capability.
Simple ON/OFF control, no loop compensation needed
Selectable current limit through BP/M capacitor value
Maximizes MOSFET and magnetics power delivery
Minimizes max overload power
ON-time extension
Self-biased: no bias winding or bias components
Frequency jittering reduces EMI filter costs
Pin-out simplified es heatsinking to the PCB
TNY278GN-TL ,AC-DC Converters, Power Integrations
Part Number | TNY278GN |
Manufacturer | Power Integrations |
Description | IC OFFLINE SWIT OVP OTP HV 8SMD |
Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Data sheet | TNY274-280 |
Voltage – Supply (Vcc/Vdd) | – |
Voltage – Breakdown | 700V |
Topology | Flyback |
Supplier Device Package | SMD-8C |
Series | TinySwitch®-III |
Power (Watts) | 28W |
Packaging | Tube |
Package / Case | 8-SMD (7 Leads), Gull Wing |
Output Isolation | Isolated |
Other Names | 596-1577 TNY278GN-ND |
Operating Temperature | -40°C ~ 150°C (TJ) |
Mounting Type | Surface Mount |
Moisture Sensitivity Level (MSL) | 4 (72 Hours) |
Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Internal Switch(s) | Yes |
Frequency – Switching | 132kHz |
Fault Protection | Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit |
Duty Cycle | 65% |
Detailed Description | Converter Offline Flyback Topology 132kHz SMD-8C |
Control Features | EN |

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