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TL494IN

Voltage Mode PWM Controller 40V 200mA 300kHz 16-Pin PDIP Tube

Quantity Unit Price(USD) Ext. Price
1000 $0.259 $259.00
100 $0.298 $29.80
25 $0.343 $8.58
10 $0.418 $4.18
1 $0.508 $0.51
500 $0.272 $136.00

Inventory:5,045

*The price is for reference only.
  • 90-day after-sales guarantee
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Submit your quote request for TL494IN using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of TL494IN

The TL494IN is a pulse-width-modulation (PWM) control circuit designed for use in power supply applications. It provides adjustable control of output voltage and duty cycle, making it ideal for switch-mode power supplies and DC-DC converters.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • 1. CT: Timing capacitor pin for oscillator frequency setting.
  • 2. RT: Timing resistor pin for oscillator frequency setting.
  • 3. Vref: Reference voltage for error amplifier.
  • 4. Output: PWM output.
  • 5. Deadtime: Pin for setting dead time between high-side and low-side gate driver outputs.
  • 6. VCC: Positive power supply.
  • 7. Feedback: Feedback input for output regulation.
  • 8. Ground: Power ground.

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TL494IN IC for a visual representation.

Key Features

  • Pulse-Width Modulation Control: Allows precise control of output voltage and duty cycle.
  • Wide Operating Voltage Range: Supports a wide input voltage range, making it suitable for various power supply designs.
  • Adjustable Frequency: The TL494IN provides frequency adjustment capabilities for oscillator control.
  • Soft-Start Function: Includes a soft-start feature to prevent excessive inrush current during power-up.
  • Overcurrent Protection: Offers overcurrent protection for safe operation in power supply applications.

Note: For detailed technical specifications, please refer to the TL494IN datasheet.

Application

  • Switch-Mode Power Supplies: Ideal for use in switch-mode power supply designs for efficient voltage regulation.
  • DC-DC Converters: Suitable for DC-DC converter circuits requiring adjustable output voltage and duty cycle control.
  • Battery Chargers: Can be used in battery charger applications for regulated charging processes.

Functionality

The TL494IN is a versatile PWM control circuit that enables precise regulation of output voltages and duty cycles in power supply applications. It offers flexibility and efficiency in power supply design.

Usage Guide

  • Feedback Control: Connect the feedback pin to the output for voltage regulation.
  • Frequency Adjustment: Use the timing capacitor and resistor to adjust the oscillator frequency.
  • Dead Time Setting: Configure the dead time pin for appropriate high-side and low-side gate driver timing.

Frequently Asked Questions

Q: What is the maximum operating frequency of the TL494IN?
A: The TL494IN can typically operate up to 300 kHz, depending on the circuit configuration and components used.

Q: Is the TL494IN suitable for high-power applications?
A: Yes, the TL494IN can be used in high-power applications with appropriate circuit design and heat dissipation considerations.

Equivalent

For similar functionalities, consider these alternatives to the TL494IN:

  • SG3525: A PWM control IC offering similar features for power supply and converter applications.
  • UC3842: This IC provides PWM control with additional features such as overvoltage protection and undervoltage lockout.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Topology Push pull Control mode Voltage
Duty cycle (max) (%) 45 Switching frequency (max) (kHz) 300
Features Adjustable switching frequency, Dead time control, Error amplifier, Multi-topology Operating temperature range (°C) -40 to 85, 0 to 70
Rating Catalog Gate drive (typ) (A) 0.2
Vin (max) (V) 40

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy ?

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package ?

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment ?

    For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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TL494IN

Voltage Mode PWM Controller 40V 200mA 300kHz 16-Pin PDIP Tube

Inventory:

5,045
Overview of TL494IN Specifications Warranty & Returns Similar Products Popular Products

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After Sales Service

What after-sales service can be provided?

We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:

·Initiate the request within 90 days after the item's shipment date.

·Coordinate the return or exchange with our team.

·Keep the items in their original condition as delivered.

·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.

Shipping

What channels of transportation of goods does the website support?

We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.

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Package

How to ensure that the parts will be intact during transportation?

The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.

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Payment

Which payment methods can be used to pay for goods

Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.

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