L7812CP STMicroelectronics, L7812CP Datasheet - Page 26
![IC POSITIVE REG 12V TO-220FP](/photos/5/30/53057/to-220_fp_sml.jpg)
L7812CP
Manufacturer Part Number
L7812CP
Description
IC POSITIVE REG 12V TO-220FP
Manufacturer
STMicroelectronics
Type
Voltage Regulatorr
Specifications of L7812CP
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-220-3 Full Pack (Straight Leads)
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-220
Regulation, Line
240 mV
Regulation, Load
120 mV
Regulator Type
Positive Voltage Out
Resistance, Thermal, Junction To Case
5 °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
497-1451-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L7812CP
Manufacturer:
ST
Quantity:
20 000
Electrical characteristics
Table 21.
1. Load and line regulation are specified at constant junction temperature. Changes in V
26/56
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
O
scp
I
sc
O
O
d
O
O
O
O
/ΔT
d
d
(1)
(1)
Output voltage
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
Supply voltage rejection
Dropout voltage
Output resistance
Short circuit current
Short circuit peak current
Refer to the test circuits, T
unless otherwise specified.
Electrical characteristics of L7820C
Parameter
T
I
I
V
V
I
I
I
V
I
B = 10 Hz to 100 kHz, T
V
I
f = 1 kHz
T
V
T
O
O
O
O
O
O
O
J
J
J
I
I
I
I
I
= 22.5 to 35 V, T
= 26 to 32 V, T
= 23 to 35 V
= 24 to 35 V, f = 120 Hz
= 35 V, T
= 5 mA to 1 A, V
= 1 A, V
= 5 mA to 1.5 A, T
= 250 to 750 mA, T
= 5 mA to 1 A
= 5 mA
= 1 A, T
J
= 25°C
= 25°C
= 25°C
= 0 to 125 °C, V
Doc ID 2143 Rev 23
J
I
Test conditions
J
= 33 to 35 V, T
= 25°C
= 25°C
J
= 25°C
J
I
= 23 to 33 V
= 25°C
J
J
I
= 25°C
= 28 V, I
= 25°C
J
= 25°C
J
= 25°C
O
L78xx, L78xxC, L78xxAB, L78xxAC
= 500 mA, C
O
due to heating effects must be
Min.
19.2
19
19
52
I
= 0.33 µF, C
Typ.
0.18
150
2.1
20
20
24
20
-1
2
Max.
20.8
400
200
400
200
0.5
21
21
8
1
O
= 0.1 µF
mV/°C
µV/V
Unit
mV
mV
mA
mA
mΩ
dB
V
V
V
V
A
A
O