NCP1246 Overview
NCP1246 Product Preview Fixed Frequency Current Mode Controller for Flyback Converters The NCP1246 is a new fixedïfrequency currentïmode controller featuring the Dynamic SelfïSupply. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal startup current source to supply the controller during startïup, transients, latch, standïby etc. This device contains...
NCP1246 Key Features
- FixedïFrequency CurrentïMode Operation (65 kHz and 100 kHz
- Light Load and Standby Conditions TimerïBased Overload Protection with Latched (option A) or ORDERING INFORMATION AutoïR
- NoïLoad Standby Power < 30 mW Adjustable Overpower Protection Dependant on the
- X2 Capacitor in EMI Filter Discharging Feature Bulk Voltage
- These are PbïFree Devices Latchïoff Input bined with the Overpower
NCP1246 Applications
- ACïDC Adapters for Notebooks, LCD, and Printers VCC Operation up to 28 V, With Overvoltage Detection