Product Summary

The TL494IN is a switchmode pulse width modulation control circuit.

Parametrics

TL494IN absolute maximum ratings: (1)Power Supply Voltage VCC: 42 V; (2)Collector Output Voltage VC1, VC2: 42 V; (3)Collector Output Current (Each transistor) IC1, IC2: 500 mA; (4)Amplifier Input Voltage Range VIR: -0.3 to +42 V; (5)Power Dissipation @ TA 3 45℃ PD: 1000 mW; (6)Thermal Resistance, Junction.to.Ambient RJA: 80 ℃/W; (7)Operating Junction Temperature TJ: 125 ℃; (8)Storage Temperature Range Tstg: -55 to +125 ℃.

Features

TL494IN features: (1)Complete Pulse Width Modulation Control Circuitry; (2)On-Chip Oscillator with Master or Slave Operation; (3)On-Chip Error Amplifiers; (4)On-Chip 5.0 V Reference; (5)Adjustable Deadtime Control; (6)Uncommitted Output Transistors Rated to 500 mA Source or Sink; (7)Output Control for Push-Pull or Single-Ended Operation; (8)Undervoltage Lockout; (9)NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes.

Diagrams

TL494IN pin connections

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
TL494IN
TL494IN
Texas Instruments
Voltage Mode PWM Controllers PWM Controller
Data Sheet
0-1: $0.38
1-25: $0.34
25-100: $0.26
100-250: $0.26
TL494INE4
TL494INE4
Texas Instruments
Voltage Mode PWM Controllers Control Circuit
Data Sheet
0-1: $0.39
1-25: $0.31
25-100: $0.27
100-250: $0.23
TL494ING
TL494ING
ON Semiconductor
Voltage Mode PWM Controllers 40kHz 200mA PWM w/48% Duty Cycle Max
Data Sheet
0-1: $0.55
1-25: $0.43
25-100: $0.37
100-500: $0.28