LM7812 Fairchild Semiconductor, LM7812 Datasheet - Page 24

no-image

LM7812

Manufacturer Part Number
LM7812
Description
The LM78XX series of three terminal positive regulators are available in the TO-220 package and with several fixed output voltages, making them useful in a wide range of applications
Manufacturer
Fairchild Semiconductor
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM7812
Manufacturer:
LAT
Quantity:
14
Part Number:
LM7812
Manufacturer:
ST
0
Part Number:
LM7812
Manufacturer:
HG
Quantity:
20 000
Part Number:
LM7812C
Manufacturer:
FCS
Quantity:
250
Part Number:
LM7812C
Manufacturer:
ST
0
Company:
Part Number:
LM7812C
Quantity:
500
Part Number:
LM7812CDT/NOPB
Manufacturer:
ST
0
Part Number:
LM7812CK
Manufacturer:
ST
0
Part Number:
LM7812CT
Manufacturer:
IR
Quantity:
15 000
Part Number:
LM7812CT
Manufacturer:
ST
0
Part Number:
LM7812CT
Manufacturer:
TI/NS
Quantity:
12 000
Part Number:
LM7812CT
Manufacturer:
FAIRCHILD/仙童
Quantity:
20 000
Part Number:
LM7812CT
Manufacturer:
NS
Quantity:
5 176
Part Number:
LM7812CT(LM340T-12)
Manufacturer:
NATIONAL
Quantity:
918
Company:
Part Number:
LM7812L
Quantity:
40 000
Part Number:
LM7812L-TA3-T
Manufacturer:
UTC原装
Quantity:
20 000
LM78XX/LM78XXA Rev. 1.1
Input
Input
R1 =
Input
I
V
RI
O
≥ 5 I
= V
I
REG
XX
Q
Figure 15. High Output Current with Short Circuit Protection
C
(1 + R
V
I
–I
BEQ1
Q1
Figure 13. Adjustable Output Regulator (7V to 30V)
2
R1
3Ω
/ R
Q1 = TIP42
Q2 = TIP42
B
0.33µF
3Ω
Q1
R1
1
Q2
) + I
Figure 14. High Current Voltage Regulator
Q
R
1
2
R
IREG
SC
Q1 BD536
0.33µF
R
LM7805
SC
=
1
V
2
I
BEQ2
SC
Q1
24
LM78XX
3
0.33µF
IQ1
6
2
LM741
4
1
I
-
+
O
LM78XX
3
2
= I
REG
2
3
+ B
Q1
0.1µF
3
10kΩ
(I
REG
0.1µF
I
–V
O
BEQ1
Output
Output
C
0.1µF
O
Output
/R
1
)
www.fairchildsemi.com

Related parts for LM7812