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TL494MJ The Texas Instruments TL494MJ is a pulse-width-modulation (PWM) control circuit designed for various power supply applications. It offers a wide operating voltage range and stable reference supply.
Mfr Part #:

TL494MJ

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL494MJ is a pulse-width-modulation (PWM) control circuit designed for various power supply applications. It offers a wide operating voltage range and stable reference supply.
✓ Total Stock: 1,028 pcs

TL494MJ Available from 1 distributor

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✓ Non-Authorised
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Optech Co.,Limited ✓
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1,028 pcs
On Request
1028 pcs On Request 1 On Request On Request 132 On Request On Request
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TL494MJ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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TL494MJ Description

Short technical summary and product information.

The TL494MJ from Texas Instruments is a versatile pulse-width-modulation (PWM) control circuit. It is designed to provide complete PWM power-control circuitry with uncommitted outputs capable of 200-mA sink or source current.

 

Key electrical specifications include a maximum input voltage of 40V and a minimum input voltage of 7V. The device features a stable 5V reference supply with a 5% tolerance. It operates with a maximum duty cycle of 45% and a maximum switching frequency of 300 kHz.

 

This PWM controller is suitable for applications such as desktop PCs, microwave ovens, and power supplies (AC/DC, isolated, with PFC, >90W), and server PSUs. It is available in a 16-CDIP through-hole package with a lead spacing of 2.54mm.

 

The operating temperature range for the TL494MJ is specified from -40°C to 85°C, making it suitable for a variety of environmental conditions.

TL494MJ Quick Information

Product Type: DC DC Switching Controller
Series: TL494
Canonical Name: TL494MJ Pulse-Width-Modulation Control Circuit
Subcategory: DC DC Switching Controllers

TL494MJ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

TL494MJ Features

  • Complete PWM power-control circuitry.
  • 200-mA sink or source current outputs.
  • Stable 5-V reference supply.
  • Operates from -40°C to 85°C.
  • 16-CDIP through-hole package.

TL494MJ Applications

  • Suitable for desktop PCs.
  • Used in microwave ovens.
  • Power supplies with PFC.
  • Designed for server PSUs.

TL494MJ FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TL494MJ?

The TL494MJ operates with an input voltage from 7V to 40V.

What is the maximum output current of the TL494MJ?

The TL494MJ provides uncommitted outputs capable of sinking or sourcing 200mA.

What is the maximum switching frequency of the TL494MJ?

The maximum switching frequency is 300kHz.

What is the operating temperature range of the TL494MJ?

The TL494MJ operates over a temperature range of -40°C to 85°C.

What package is the TL494MJ available in?

The TL494MJ is available in a 16-pin CDIP (Ceramic Dual In-line Package).

Does the TL494MJ have an internal voltage reference?

Yes, the TL494MJ includes an internal regulator that provides a stable 5V reference supply with 5% tolerance.

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