MC7812CT ON Semiconductor, MC7812CT Datasheet - Page 2
![IC REG VOLT POS 1A 12V TO220AB](/photos/26/98/269844/to220_sml.jpg)
MC7812CT
Manufacturer Part Number
MC7812CT
Description
IC REG VOLT POS 1A 12V TO220AB
Manufacturer
ON Semiconductor
Datasheet
1.MC7805BDTRKG.pdf
(33 pages)
Specifications of MC7812CT
Regulator Topology
Positive Fixed
Voltage - Output
12V
Voltage - Input
Up to 35V
Voltage - Dropout (typical)
2V @ 1A
Number Of Regulators
1
Current - Output
1A
Operating Temperature
0°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-220-3 (Straight Leads)
Polarity
Positive
Number Of Outputs
1
Output Type
Fixed
Output Voltage
12 V
Output Current
2.2 A
Line Regulation
48 mV
Load Regulation
60 mV
Input Voltage Max
35 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Voltage Regulation Accuracy
4 %
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
MC7812CTOS
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
MC7812CT
Manufacturer:
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Quantity:
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Manufacturer:
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Quantity:
20 000
Company:
Part Number:
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Manufacturer:
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R18
100 k
D1
Zener
Q7
QNPN
R17
9.0 k
R1
10.66 k
R2
1.56 k
Q8
QNPN
Q6
QNPN
Q17
LAT
QNPN 2
QNPN
Q9
Q14
Q5
QNPN 2
R6
1.0 k
MC7800
Figure 1. Representative Schematic Diagram
R5
4.5 k
R11
15 k
3.0 P
C2
This device contains 22 active transistors.
Q13
QNPN
QNPN 6
http://onsemi.com
Q1
R7
14 k
LAT 3 A
Q18
R24
50
QNPN
QNPN
Q10
Q15
Q2
QNPN 4
R3
1.8 k
2
C3
QNPN
Diode
R22
100
R20
17500
Q4
Q16
N+
1.0 P
C1
30 P
R8
5.0 k
Q3
QNPN
R16
600
R9
3.0 k
QNPN
Q12
Q19
QNPN
3340-(3316ACT)
SUB
Q11 2
R21
600
R19
27.5 k
R10
D2
Zener
R14
1.0 k
R13
11660
3.0 k
6.0 k
3.0 k
R12
R25
R26
R15
680
Q20
QNPN
R23
0.2
R29
9.0 k
R28
9.0 k
R27
9.0 k
V
in
18 k
R30
V
5.01
Sense
out