MC7812CT ON Semiconductor, MC7812CT Datasheet - Page 18
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
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Manufacturer
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31. T
32. Load and line regulation are specified at constant junction temperature. Changes in V
ELECTRICAL CHARACTERISTICS
Output Voltage (T
Output Voltage (5.0 mA ≤ I
Line Regulation (Note 32)
Load Regulation (Note 32)
Quiescent Current
Quiescent Current Change
Ripple Rejection
Dropout Voltage (I
Output Noise Voltage (T
Output Resistance (f = 1.0 kHz)
Short Circuit Current Limit (T
Peak Output Current (T
Average Temperature Coefficient of Output Voltage
separately. Pulse testing with low duty cycle is used.
27.3 Vdc ≤ V
27 Vdc ≤ V
30 Vdc ≤ V
30 Vdc ≤ V
26.7 Vdc ≤ V
5.0 mA ≤ I
5.0 mA ≤ I
250 mA ≤ I
27.3 Vdc ≤ V
27 Vdc ≤ V
5.0 mA ≤ I
28 Vdc ≤ V
10 Hz ≤ f ≤ 100 kHz
V
low
in
= 35 Vdc
= 0°C for MC78XXC, MC78XXAC,
= *40°C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB
O
O
O
O
in
in
in
in
in
≤ 1.5 A, T
≤ 1.0 A
≤ 1.0 A
in
in
≤ 750 mA
in
≤ 38 Vdc, I
≤ 36 Vdc, I
≤ 36 Vdc, T
≤ 38 Vdc, T
≤ 38 Vdc, f = 120 Hz, I
≤ 38 Vdc
≤ 38 Vdc, I
≤ 38 Vdc, I
J
O
= 25°C)
= 1.0 A, T
J
A
J
= 25°C)
= 25°C)
= 25°C
O
O
O
J
J
Characteristic
O
O
= 500 mA
= 1.0 A
= 25°C
= 25°C
≤ 1.0 A, P
A
= 1.0 A, T
= 500 mA
J
= 25°C)
= 25°C)
O
D
= 500 mA
J
≤ 15 W)
(V
= 25°C
in
= 33 V, I
O
= 1.0 A, T
http://onsemi.com
J
18
= T
low
to 125°C (Note 31), unless otherwise noted)
Symbol
Reg
V
Reg
TCV
I
I
DI
RR
I
V
V
max
V
− V
r
I
SC
B
O
O
O
n
load
line
B
O
O
O
due to heating effects must be taken into account
23.5
23.2
Min
45
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
MC7824AC
−2.0
11.5
Typ
3.8
3.8
2.1
2.0
1.8
3.6
2.0
1.4
0.2
2.2
24
24
10
54
10
−
−
−
Max
24.5
25.8
6.0
0.8
0.8
0.5
25
28
12
25
15
25
15
−
−
−
−
−
−
−
mV/°C
mV/V
Unit
Vdc
Vdc
Vdc
mW
mV
mV
mA
mA
dB
A
A
O