TL494 Pulse Width Modulation (PWM) Control

Description

TL494 Pulse Width Modulation (PWM) Control The TL494 is a comprehensive pulse-width-modulation (PWM) control circuit integrated onto a single chip, offering a flexible and reliable solution for designing switch-mode power supplies. Primarily intended for power-supply control, this versatile IC provides all the necessary functions to construct a PWM control circuit, allowing designers to tailor power supply systems to specific application needs. Features Complete PWM Power-Control Circuitry Dual Error Amplifiers On-Chip Oscillator Adjustable Dead-Time Control Uncommitted Outputs Selectable Output Control Internal 5V Reference Undervoltage Lockout Easy Synchronization Specifications Specification Value Supply Voltage (Vcc) 7V to 40V Switching Frequency Up to 300 kHz Maximum Duty Cycle (Each Output) 45% Output Voltage Up to 40V Output Current (Sink or Source) 200 mA Number of Outputs 2 Internal Reference Voltage 5V (±5% tolerance) Operating Temperature Range 0°C to 70°C (TL494C) / -40°C to 85°C (TL494I) Applications Desktop PCs and Server PSUs DC-DC Converters Solar Power Inverters and Micro-Inverters Consumer Electronics E-Bikes Smoke Detectors Telecom and Server AC/DC Supplies DataSheet tl494

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