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參數(shù)資料
| 型號(hào)： | TN5D01A |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 5 A SWITCHING REGULATOR, 180 kHz SWITCHING FREQ-MAX, ZFM5 |
| 封裝： | TO-220, 5 PIN |
| 文件頁(yè)數(shù)： | 11/11頁(yè) |
| 文件大?。?/td> | 489K |
| 代理商： | TN5D01A |
TN5D01A
No. A1446-9/11
Example of Over-voltage Protection Circuit.
Generally, in constant-voltage power supply circuit, output voltage will become higher than the specied value
(over-voltage state) in case of any failures or PC board solderability defects. To minimize the damage caused by this
over-voltage, we recommend setting an over-voltage protection circuit.
In designing, the following conrmations are necessary in actual circuit.
1) How the over-voltage protection circuit operates and its effects.
2) Is there any malfunction due to ambient temperature change of each device or exogenous noises?
Over-voltage Protection Circuit Example
Example of Over-voltage Protection Circuit.
The thyristor will operate when it accept an over-voltage (VOUT) signal, then the fuse is melted and the input power is
cut off, then the operation of IC1 is stopped.
Continued on next page.
VIN
GND
VOUT
FUSE
F1
Constant-voltage
power supply
C
ZD
R
THYRISTOR
+
VIN
GND
VOUT
1
THYRISTOR
FUSE
F1
IC1
5
23 4
C
ZD
R
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