SE5560

Philips Semiconductors Product specification Switched-mode power supply control circuit NE/SE5560 DESCRIPTION The NE/SE5560 is a control circuit for use in switched-mode power supplies. This single monolithic chip incorporates all the control and housekeeping (protection) functions required in switched-mode power supplies, including an internal temperature-compensated reference source, internal Zener references, sawtooth generator, pulse-width modulator, output stage and various protection circuits. PIN CONFIGURATION D, F, N Packages VCC 1 VZ 2 16 FEEDFORWARD 15 OUTPUT (COLL) 14 OUTPUT (EMIT) 13 DEMAG: OVERVOLTAGE 12 GND 11 CURRENT LIMITING 10 REMOTE ON/OFF 9 EXTERNAL SYNC FEEDBACK 3 GAIN 4 FEATURES MODULATOR 5 DUTY CYCLE CONTROL 6 RT 7 Stabilized power supply Temperature-compensated reference source Sawtooth generator Pulse-width modulator Remote on/off switching Current limiting Low supply voltage protection Loop fault protection Demagnetization/overvoltage protection Maximum duty cycle clamp Feed-forward control External synchronization ORDERING INFORMATION DESCRIPTION 16-Pin Plastic Dual In-Line Package (DIP) 16-Pin Plastic Small Outline Large (SOL) Package 16-Pin Plastic Dual In-Line Package (DIP) 16-Pin Cerdip Dual In-Line Package (CERDIP) CT 8 SL00360 Figure 1. Pin Configuration TEMPERATURE RANGE 0 to 70°C 0°C to 70°C -55°C to 125°C -55°C to 125°C ORDER CODE NE5560N NE5560D SE5560N SE5560F DWG # SOT38-4 SOT162-1 SOT38-4 0582B ABS...