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MC7805CT 参数 Datasheet PDF下载

MC7805CT图片预览
型号: MC7805CT
PDF下载: 下载PDF文件 查看货源
内容描述: 三端固定正电压稳压器 [3-Terminal Fixed Positive Voltage Regulators]
分类和应用: 线性稳压器IC调节器电源电路输出元件局域网
文件页数/大小: 9 页 / 88 K
品牌: VISHAY [ VISHAY TELEFUNKEN ]
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MC78xxCT Series
New Product
Vishay Semiconductor
3-Terminal Fixed Positive Voltage Regulators
MC78xxCT
TO-220AB
Pin Definition
1.
Input
2.
Ground
3.
Output
(Heatsink/ tab
connected to pin 2)
Description
These voltage regulators are monolithic integrated circuits
designed as fixed-voltage regulators for a wide variety of
applications including local, on-card regulation. These
regulators employ internal current limiting, thermal shut-
down, and safe-area compensation. With adequate
heatsinking the MC78xxCT can deliver output currents in
excess of 1.5 ampere.
Although designed primarily as a fixed voltage regulator,
these devices can be used with external components to
obtain adjustable voltages with currents.
Output
1
2
3
Standard Application
Input
MC78xx
Features
• Output current in excess of 1.0 ampere
• No external components required
• Internal thermal overload protection
• Internal short-circuit current limiting
• Output transistor safe-area compensation
• Output voltage offered in 2% tolerance
Cin
0.33µF
Co
0.1µF
Notes:
A common ground is required between the input and the output voltages.
The input voltage must remain typically 2.0V above the output voltage
even during the low point on the input ripple voltage.
xx = these two digits of the part number indicate output voltage.
Cin is required if regulator is located an appreciable distance from power
supply filter.
Co is not needed for stability, however, it does improve transient response.
Mechanical Data
Case:
TO-220 Package
Case outline is on the back page.
Internal Block Diagram
Input
1
Current
Generator
Starting
Circuit
Reference
Voltage
Series
Pass
Element
SOA
Protection
Error
Amplifier
Thermal
Protection
Output
3
GND
2
Document Number 74813
29-Nov-01
www.vishay.com
1