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TL494 Datasheet, PDF - Texas Instruments

Search Partnumber : Match&Start with "TL494" - Select : 165 , Total : 274 ( 1/9 Page)

Manufacturer	Part #	Datasheet	Description
Texas Instruments	TL494	210Kb/8P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494	614Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494	616Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494	590Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494	449Kb/17P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494	1Mb/37P	[Old version datasheet] Pulse-Width-Modulation Control Circuits JULY 2022
	TL494C	1Mb/37P	[Old version datasheet] Pulse-Width-Modulation Control Circuits JULY 2022
	TL494CD	590Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CD	449Kb/17P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CD	1Mb/37P	[Old version datasheet] Pulse-Width-Modulation Control Circuits JULY 2022
	TL494CD	210Kb/8P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CD	614Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CD	616Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CDB	449Kb/17P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CDB	614Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CDB	590Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CDBR	616Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CDBR	590Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CDBR	449Kb/17P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS
	TL494CDBR	614Kb/19P	[Old version datasheet] PULSE-WIDTH-MODULATION CONTROL CIRCUITS

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Brief Description of TL494

The TL494 is a pulse-width modulation (PWM) control circuit often used in power supply and voltage regulation applications. It is designed to provide precise control of the duty cycle and frequency of the output waveform, making it suitable for various power conversion and motor control applications. Here are some key features and specifications of the TL494 PWM controller:

Pulse-Width Modulation (PWM): The TL494 generates a PWM output signal, which allows for precise control of the on-time and off-time of a switching element (usually a power transistor). This PWM signal is commonly used in switching power supplies to regulate the output voltage.

Error Amplifiers: The TL494 includes two error amplifiers that compare a reference voltage to a feedback voltage and generate an error signal, which is used to control the duty cycle of the PWM waveform.

Oscillator: The TL494 has an internal oscillator that sets the frequency of the PWM waveform. The oscillator frequency can typically be externally adjusted using external components.

Reference Voltage: The TL494 includes an internal voltage reference (commonly 5V) that serves as a reference for the error amplifiers.

Output: The TL494 has two complementary outputs, typically labeled as OUT and DISCHARGE, which are used to drive external power transistors. The OUT output generates the PWM signal, while the DISCHARGE output can be used for discharging capacitors or controlling external circuitry.

Shutdown Feature: The TL494 often includes a shutdown pin that can be used to disable the PWM operation when pulled low. This is useful for enabling or disabling the power supply.

Feedback and Compensation: The TL494 allows for the implementation of feedback loops and compensation networks to stabilize the control system in power supply applications.

Package: The TL494 is typically available in a dual-inline package (DIP) or surface-mount packages, making it suitable for various circuit board designs.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.

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