L7812CT STMicroelectronics, L7812CT Datasheet - Page 20

• 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

Electrical characteristics
Table 15.
1. Load and line regulation are specified at constant junction temperature. Changes in V
20/56
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
C
Electrical characteristics of L7885C
O
= 0.1 µF unless otherwise specified.
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
= 11 to 27 V, T
= 11.5 to 17.5 V, T
= 11 to 26 V
= 12 to 22 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
= 21.5 to 26 V, T
= 25°C
= 25°C
J
= 25°C
I
= 11 to 21.5 V
J
J
J
I
= 25°C
= 25°C
= 25°C
= 14.5 V, I
J
= 25°C
J
= 25°C
L78xx, L78xxC, L78xxAB, L78xxAC
O
= 500 mA, C
O
due to heating effects must be
Min.
8.2
8.1
8.1
56
I
Typ.
0.45
-0.8
8.5
8.5
8.5
2.2
16
= 0.33 µF,
55
2
Max.
160
160
8.8
8.9
8.9
0.5
80
80
8
1
mV/°C
µV/V
Unit
mV
mV
mA
mA
mΩ
dB
V
V
V
V
A
A
O