參數(shù)資料
型號: μA7812
廠商: Texas Instruments, Inc.
英文描述: General Purpose, High Current Positive-Voltage Regulator(12V,通用大電流正電壓穩(wěn)壓器)
中文描述: 通用,高電流正電壓穩(wěn)壓器(12V的,通用大電流正電壓穩(wěn)壓器)
文件頁數(shù): 15/19頁
文件大?。?/td> 481K
代理商: ΜA7812
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
相關(guān)PDF資料
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