| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Number of Pins | 8 Pin |
| Supply Voltage (DC) | 10.3V (min) |
| Case/Package | DIP-8 |
| Power Rating | 1 W |
| Number of Outputs | 1 Output |
| Output Current | 400 mA |
| Number of Positions | 8 Position |
| Quiescent Current | 3.50 mA |
| Rise Time | 40 ns |
| Fall Time | 40 ns |
| Operating Temperature (Max) | 150 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage (Max) | 18 V |
| Supply Voltage (Min) | 10.3 V |
| Input Voltage | 10.3V ~ 18V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Operating Temperature | -40℃ ~ 150℃ |
The L6565N is a current-mode primary SMPS Controller specifically designed to build offline Quasi-resonant ZVS (zero voltage switching at switch turn-on) flyback converters. Quasi-resonant operation is achieved by means of a transformer demagnetization sensing input that triggers MOSFET"s turn-on Converter"s power capability variations with the mains voltage are compensated by line voltage feedforward. At light load the device features a special function that automatically lowers the operating frequency still maintaining the operation as close to ZVS as possible. In addition to very low start-up and quiescent currents, this feature helps keep low the consumption from the mains at light load and be Blue Angel and Energy Star compliant. The IC includes also a disable function, an on-chip filter on current sense, an error amplifier with a precise reference voltage for primary regulation and an effective two-level overcurrent protection.
● Frequency foldback for optimum standby efficiency
● Quasi-resonant (QR) zero-voltage switching (ZVS) topology
● Line feed forward to deliver constant power vs. mains change
● Pulse-by-pulse and hiccup-mode OCP
● Blue angel, energy star, energy 2000 compliant
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