TL494CN The TL494CN is a fixed-frequency, pulse-width modulation control circuit designed for SWITCHMODE power supply control. It features on-chip oscillator, error amplifiers, and a 5.0V reference.
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TL494CN

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The TL494CN is a fixed-frequency, pulse-width modulation control circuit designed for SWITCHMODE power supply control. It features on-chip oscillator, error amplifiers, and a 5.0V reference.
✓ Total Stock: 53 pcs

TL494CN Available from 1 distributor

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TL494CN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Power Dissipation

TL494CN Description

Short technical summary and product information.

The TL494CN is a versatile pulse width modulation (PWM) control circuit primarily designed for SWITCHMODE power supply applications. This integrated circuit offers a complete PWM control solution with features such as an on-chip oscillator, error amplifiers, and a 5.0V reference voltage.

 

Key electrical specifications include a wide operating supply voltage range from 7.0V to 40V, with a maximum collector output voltage of 42V. Each uncommitted output transistor is rated for up to 500mA source or sink current. The device also supports adjustable deadtime control and output control for push-pull or single-ended operation.

 

The TL494CN is available in both SOIC-16 and PDIP-16 package types, suitable for surface mount and through-hole applications respectively. It operates within a broad ambient temperature range, with specific limits varying by device variant (e.g., TL494C operates from 0°C to 70°C).

 

This PWM controller is ideal for various power supply designs requiring precise control over output voltage and switching frequency. Its robust feature set makes it a reliable choice for demanding power management applications.

TL494CN Quick Information

Product Type: Pulse Width Modulation Control Circuit
Canonical Name: TL494CN Pulse Width Modulation Control Circuit
Subcategory: DC-DC Switching Controllers

TL494CN Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TL494CN Features

  • Complete pulse width modulation control circuitry.
  • On-chip oscillator with master or slave operation.
  • On-chip error amplifiers and 5.0 V reference.
  • Uncommitted output transistors rated to 500 mA.
  • Adjustable deadtime control feature.

TL494CN Applications

  • Designed for SWITCHMODE power supplies.
  • Suitable for push-pull operation.
  • Ideal for single-ended output control.
  • Automotive applications with NCV prefix.

TL494CN FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating supply voltage range for the TL494CN?

The operating supply voltage range for the TL494CN is from 7.0 V to 40 V.

What is the maximum collector output current for each transistor in the TL494CN?

Each transistor in the TL494CN is rated for a maximum collector output current of 500 mA.

What is the on-chip reference voltage provided by the TL494CN?

The TL494CN features an on-chip 5.0 V reference voltage.

What are the available package types for the TL494CN?

The TL494CN is available in SOIC-16 and PDIP-16 package types.

What is the operating ambient temperature range for the TL494C variant?

The TL494C variant operates within an ambient temperature range of 0 °C to 70 °C.

TL494CN Alternate Parts

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Motorola Semicondutor
The TL494CN by Motorola Semiconductor is a fixed frequency, pulse width modulation control circuit. It is designed for SWITCHMODE power supply control.
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