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參數(shù)資料
| 型號(hào)： | μA7805 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | positive volitage regulators |
| 中文描述： | 正電壓穩(wěn)壓器 |
| 文件頁數(shù)： | 15/19頁 |
| 文件大?。?/td> | 481K |
| 代理商： | ΜA7805 |
μ
A7800 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS056B – MAY 1976 – REVISED OCTOBER 1996
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
+ VO
+ VI
0.33
μ
F
0.1
μ
F
OUT
IN
G
– VO
COM
+
–
VI
IL
μ
A78xx
μ
A78xx
Figure 3. Fixed Output Regulator
Figure 4. Positive Regulator in Negative
Configuration (V
I
Must Float)
R1
0.33
μ
F
Input
Output
μ
A78xx
0.1
μ
F
IO
R2
VO(Reg)
R1
Input
Output
IO
IO = (VO/R1) + IO Bias Current
0.33
μ
F
μ
A78xx
VO
Vxx
Vxx
R1
IQ
R2
NOTE A: The following formula is used when Vxx is
the nominal output voltage (output to
common) of the fixed regulator.
Figure 5. Adjustable Output Regulator
Figure 6. Current Regulator
μ
A7815C
0.1
μ
F
1N4001
0.1
μ
F
1N4001
VO = – 15 V
0.33
μ
F
2
μ
F
1N4001
1N4001
VO = 15 V
20-V
Input
– 20-V
Input
μ
A7915C
1
μ
F
Figure 7. Regulated Dual Supply
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