NTE1729

NTE1729 Integrated Circuit Pulse Width Modulator (PWM) Control Circuit Description: The NTE1729 is an inverter control unit in a 16–Lead DIP type package which provides all the control circuitry for PWM type switching regulators. Included in this device is the voltage reference, dual error amplifiers, oscillator, pulse width modulator, pulse steering flip flop, dual alternating output switches, and dead time control. Features: D Complete PWM Power Control Circuit D Adjustable Dead Time: 0 to 100% D No Double Pulsing of Same Output during Load Transient Condition D Dual Error Amplifiers have Wide Common Mode Input Voltage Capability: –0.3V to VCC –2V D Circuit Architecture Provides Easy Synchronization D Uncommitted Outputs for 250mA Sink or Source D With Miss–Operation Prevention Circuit for Low Level Supply Voltage Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41V Error Amplifier Input Voltage, VICM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCC +0.3V Output Voltage, VCER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41V Total Power Dissipation (TA = +25°C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000mW Operating Temperature Range, Topr . . . ....