NCP1337 Datasheet | onsemi

features an efficient protective circuitry which, in presence of an overcurrent condition, disables the output pulses and enters a safe burst mode, trying to restart. Once the default has gone, the device auto- recovers. Also included is a bulk voltage monitoring function (known as brown- out protection), an adjustable overpower pensation, and a VCC OVP. The controller immediately restarts after any of these conditions, unless the fault timer has timed out. Finally, an internal 4.0 ms soft- start eliminates the traditional startup stress. Features - Free- Running Borderline/Critical Mode Quasi- Resonant Operation - Current- Mode - Soft- Skip Mode with Minimum Switching Frequency for Standby - Auto- Recovery Short- Circuit Protection Independent of Auxiliary Voltage - Overvoltage Protection - Brown- Out Protection - Two Externally Triggerable Fault parators (one for a disable function, and the other for a permanent latch) - Internal 4.0 ms Soft- Start - 500 m A Peak Current Drive Sink Capability - 130 k Hz Max Frequency - Internal Leading Edge Blanking - Internal Temperature Shutdown - Direct Optocoupler Connection - Dynamic Self- Supply with Levels of 12 V (On) and 10 V (Off) - SPICE Models Available for TRANsient and AC Analysis - These are Pb- Free Devices Typical Applications - AC- DC Adapters for Notebooks, etc. - Offline Battery Chargers - Consumer Electronics (DVD Players, Set- Top Boxes, TVs, etc.) - Auxiliary Power Supplies (USB, Appliances, TVs, etc.) SOIC- 7 D SUFFIX CASE 751U MARKING DIAGRAM P1337 ALYW G = Assembly Location = Wafer Lot = Year = Work Week = Pb- Free Package (Note: Microdot may be in either location) PIN...