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TL494CN描述:
TL494的集成了所有在一个脉冲宽度调制的结构所要求的功能( PWM)控制电路在一个芯片上。
主要用于电源控制,该装置可灵活地定制电源控制电路,以一个特定的应用程序。
1 Features
1• Complete PWM Power-Control Circuitry
• Uncommitted Outputs for 200-mA Sink or
Source Current
• Output Control Selects Single-Ended or
Push-Pull Operation
• Internal Circuitry Prohibits Double Pulse at
Either Output
• Variable Dead Time Provides Control Over
Total Range
• Internal Regulator Provides a Stable 5-V
Reference Supply With 5% Tolerance
• Circuit Architecture Allows Easy Synchronization
2 Applications
• Desktop PCs
• Microwave Ovens
• Power Supplies: AC/DC, Isolated,
With PFC, > 90 W
• Server PSUs
• Solar Micro-Inverters
• Washing Machines: Low-End and High-End
• E-Bikes
• Power Supplies: AC/DC, Isolated,
No PFC, < 90 W
• Power: Telecom/Server AC/DC Supplies:
Dual Controller: Analog
• Smoke Detectors
• Solar Power Inverters
TL494CN
TI(德州仪器)
PDIP-16
40 V
200 mA
- 40 C
+ 85 C