UCC28085 Datasheet PDF

Texas Instruments UCC28085

the UCC38083/4 D Cycle-by-Cycle Current Limiting D Low Start-Up Current of 120 µA and 1.5 mA Typical Run Current D Single External Component Oscillator Programmable from 50 kHz to 1 MHz D High-Current Totem-Pole Dual Output Stage Drives Push-Pull Configuration with 1-A Sink and 0.5-A Source Capability D Current Sense Discharge Transistor to Improve Dynamic Response D Internally Trimmed Bandgap Reference D Undervoltage Lockout with Hysteresis BASIC APPLICATION V IN VDD UCC3808x CTRL OUTA RT OUTB ISET CS RT R SET GND POWER TRANSFORMER RF CF RS FEEDBACK APPLICATIONS D High-Efficiency Switch-Mode... The dual output stages are configured for the push-pull topology. Both outputs switch at half the oscillator frequency using a toggle flip-flop.