The TL494 device incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the flexibility to tailor the power-supply control circuitry to a specific application.
The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for switch mode power supply control. MAXIMUM RATINGS (Full operating ambient temperature …
TL494 数据表、产品信息和支持 | 德州仪器 TI.com.cn
TI 的 TL494 是一款 40V、0.2A 300KHz PWM 控制器。 查找参数、订购和质量信息.
TL494中文资料_电路图_引脚图_PDF下载_替代型号_封装_参数
TL494是一种固定频率脉宽调制电路，它包含了开关电源控制所需的全部功能，广泛应用于单端正激双管式、半桥式、全桥式开关电源。 其包含两个误差放大器，一个片上可调振荡器，一个死区时间控制 (DTC)比较器，一个脉冲转向控制触发器，一个5 V，5%精度调节器和输出控制电路。 TL494有SO-16和PDIP-16两种封装形式，以适应不同场合的要求。 误差放大器1的同相输入端。 在闭环系统中，被控制量的给定信号将通过该引脚输入误差放大器;而在开环系统中，该引脚 …
TL494 Datasheet (PDF) - Motorola, Inc
The TL494 is a fixed frequency, pulse width modulation control circuit designed primarily for SWITCHMODE power supply control. 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.
The TL494 device contains two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC) comparator, a pulse-steering control flip-flop, a 5-V, 5%-precision regulator, and output-control circuits. The error amplifiers exhibit a common-mode voltage range from –0.3 V …
How to use TL494 pulse width modulation control IC
TL494 is a PWM controller IC used for power electronics circuits. It comprises of on-chip two error amplifiers an oscillator with adjustable frequency feature, an output flip-flop having pulse …
TL494 Datasheet, controller equivalent, ART CHIP
Pulse-Width-Modulation Control Circuits TL494 FEATURES Complete PWM Power Control Circuitry Uncommitted Outputs for 200 mA Sink or Source Curren. Download the datasheet for …
TL494: Specification, Architecture, Circuit Diagram and More 2022
2022年11月3日 · What is the TL494 chip? The TL494, a switching power supply pulse width modulation (PWM) controller chip designed and introduced by Texas Instruments in the early 1980s, has two complete pulse width modulation control circuits.
The TL494 incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control circuit on a single chip. Designed primarily for power-supply control, this device offers the flexibility to tailor the power-supply control circuitry to a specific application.