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TL494 Pulse Width Modulation (PWM) Control

10.00 EGP

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Availability: In Stock
SKU:4623871287842
Pinout of TL494

The Pinout diagram and pin details of TL494 are given below. We provide a Pin layout description and work in later sections.

This table lists the pin configuration of the pulse width modulation control circuit.

Pin number Pin name Pin Configuration
1 1IN+ Input 1 for error amplifier one ( Non-Inverting)
2 1IN- Input 2 for error amplifier one ( Inverting)
3 FEEDBACK Feedback connection pin from outputs
4 DTC Input for dead-time control comparator
5 CT Capacitor terminal to set frequency
6 RT Resistor terminal to set frequency
7 GND Ground pin for power supply
8 C1 Collector pin of Output 1
9 E1 Emitter pin of Output 1
10 E2 Emitter pin of Output 2
11 C2 Collector pin of Output 2
12 VCC Positive Power supply pin
13 OUTPUT CTR Select output mode from three options
14 REF Reference for 5 volts regulator
15 2IN- Input 1 for error amplifier two (  Inverting)
16 2IN+ Input 1 for error amplifier two ( Non-Inverting)
TL494 Features
  • Complete PWM Power-Control Circuitry
  • Uncommitted Outputs for 200-mA Sink or Source Current
  • Output Control Selects Single-Ended or Push-Pull Operation
  • Internal Circuitry Prohibits Double Pulse at Either Output
  • Variable Dead Time Provides Control Over Total Range
  • Internal Regulator Provides a Stable 5-V Reference Supply With 5% Tolerance
  • Circuit Architecture Allows Easy Synchronization
Technical Specifications
Physical
Case/Package PDIP
Number of Pins 16
Weight 951.693491 mg
Technical
Duty Cycle 45 %
Fall Time 40 ns
Frequency 300 kHz
Max Duty Cycle 45 %
Max Frequency 300 kHz
Max Operating Temperature 85 °C
Max Supply Voltage 40 V
Min Operating Temperature -40 °C
Min Supply Voltage 7 V
Nominal Input Voltage 13 V
Number of Channels 2
Number of Outputs 2
Output Current 200 mA
Output Type Voltage
Output Voltage 40 V
Reference Voltage 5 V
Rise Time 100 ns
Switching Frequency 300 kHz
Tolerance 5 %
Topology Flyback, Push-Pull, Boost
Datasheet

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