L7812CT STMicroelectronics, L7812CT Datasheet - Page 14
![IC REGULATOR POS 12V TO-3](/photos/5/70/57065/to-3_sml.jpg)
L7812CT
Manufacturer Part Number
L7812CT
Description
IC REGULATOR POS 12V TO-3
Manufacturer
STMicroelectronics
Type
Voltage Regulatorr
Specifications of L7812CT
Regulator Topology
Positive Fixed
Voltage - Output
12V
Voltage - Input
Up to 35V
Voltage - Dropout (typical)
2V @ 1A
Number Of Regulators
1
Current - Output
1.5A
Operating Temperature
0°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-204, TO-3
Polarity
Positive
Number Of Outputs
1
Output Type
Fixed
Output Voltage
12 V
Output Current
1.5 A
Line Regulation
240 mV
Load Regulation
240 mV
Dropout Voltage (max)
2 V
Input Voltage Max
35 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Current, Output
1.5 A
Current, Supply
8 mA
Package Type
TO-3
Regulation, Line
240 mV
Regulation, Load
120 mV
Regulator Type
Positive Voltage Out
Resistance, Thermal, Junction To Case
4 °C/W
Temperature, Operating, Range
0 to +150 °C
Voltage, Dropout
2 V
Voltage, Input
19 V
Voltage, Noise
75 μV/V
Voltage, Output
12 V
Voltage, Supply, Rejection Ratio
55 dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-1006
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
L7812CT
Manufacturer:
AVAGO
Quantity:
2 122
Electrical characteristics
Table 9.
1. Load and line regulation are specified at constant junction temperature. Changes in V
14/56
Symbol
ΔV
ΔV
ΔV
SVR
taken into account separately. Pulse testing with low duty cycle is used.
I
ΔI
R
V
V
V
eN
V
I
scp
O
O
O
I
sc
q
O
O
O
O
d
/ΔT
q
(1)
(1)
Output voltage
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Supply voltage rejection
Dropout voltage
Output noise voltage
Output resistance
Short circuit current
Short circuit peak current
Output voltage drift
V
otherwise specified.
Electrical characteristics of L7812A
I
= 19 V, I
Parameter
O
= 1 A, TJ = 0 to 125 °C (L7812AC), T
T
I
I
V
T
V
V
V
I
I
I
T
V
V
I
V
I
T
f = 1 kHz
V
T
O
O
O
O
O
O
O
A
J
J
J
J
I
I
I
I
I
I
I
I
= 14.8 to 30 V, I
= 16 to 12 V
= 16 to 12 V, T
= 14.5 to 27 V, T
= 15 to 30 V, I
= 14.8 to 27 V, T
= 15 to 25 V, f = 120 Hz, I
= 35 V, T
= 5 mA to 1 A, V
= 1 A, V
= 5 mA to 1 A
= 5 mA to 1.5 A, T
= 250 to 750 mA
= 5 mA to 1 A
= 1 A, T
= 25°C
= 25°C
= 25°C
= 25°C, B = 10 Hz to 100 kHz
= 25°C
Doc ID 2143 Rev 23
J
I
Test conditions
A
= 25 to 27 V, T
= 25°C
= 25°C
O
J
O
= 500 mA
= 25°C
J
J
I
= 14.8 to 25 V
= 500 mA,
= 25°C
= 25°C
J
= 25°C
J
= 25°C
O
J
= 500 mA
= -40 to 125 °C (L7812AB), unless
L78xx, L78xxC, L78xxAB, L78xxAC
O
due to heating effects must be
11.75
Min.
11.5
11.5
Typ.
4.4
0.2
2.2
13
16
25
30
10
60
10
18
12
12
12
13
-1
6
2
12.25
Max.
12.5
12.5
120
120
120
100
100
0.8
0.8
0.5
60
50
6
6
mV/°C
µV/V
Unit
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
mΩ
dB
V
V
V
V
V
V
A
A
O