NTE7117

NTE7117 Integrated Circuit Switched–Mode Power Supply Controller Description: The NTE7117 is a control circuit in an 8–Lead DIP type package designed for use in switched–mode power supplies. It contains an internal temperature–compensated supply, PWM, sawtooth oscillator, over–current sense latch, and output stage. This device is intended for low cost SMPS applications where extensive housekeeping functions are not required. Features: D Pulse Width Modulator D Current Limiting (Cycle–by–Cycle) D Sawtooth Generator D Stabilized Power Supply D Double–Pulse Protection D Internal Temperature–Compensated Reference Applications: D Switch–Mode Power Supplies D DC Motor Controller Inverter D DC/DC Converter Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V Output Current, IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Output Duty Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98% Maximum Total Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750mW Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C DC Electrical Characteristics: (VCC = 12V, TA...