TL494CN集成电路（IC）的DC-DC开关控制器规格书PDF中文资料

TL494CN属于集成电路（IC）的DC-DC开关控制器。由安森美半导体制造生产的TL494CNDC-DC 开关控制器PMIC（电源管理集成电路）DC 到 DC 开关式控制器是用于高效率电路的稳压 IC，其配置为生成高于（突升或步升）或低于（突降或步降）输入电源的输出电源电压。其他拓扑结构可能包括：降压-升压、反激、正激、Cuk、SEPIC、全桥、半桥和推挽式。这些器件不同于需要最小电压并“烧尽”多余电压的线性稳压器。

The TL494 is a fixed frequency, pulse width modulation control

circuit designed primarily for switch mode power supply control.

特性 Features

• Complete Pulse Width Modulation Control Circuitry

• On−Chip Oscillator with Master or Slave Operation

• On−Chip Error Amplifiers

• On−Chip 5.0 V Reference

• Adjustable Deadtime Control

• Uncommitted Output Transistors Rated to 500 mA Source or Sink

• Output Control for Push−Pull or Single−Ended Operation

• Undervoltage Lockout

• NCV Prefix for Automotive and Other Applications Requiring Site

and Control Changes

• Pb−Free Packages are Available*