L78S18CT STMicroelectronics, L78S18CT Datasheet - Page 10

• Manufacturer Part Number: L78S18CT
• Description: Linear Regulators - Standard 18V 2.0A Positive
• Manufacturer: STMicroelectronics

Specifications of L78S18CT

• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: 18 V
• Output Current: 2 A
• Line Regulation: 360 mV
• Load Regulation: 360 mV
• Input Voltage Max: 35 V
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: 0 C
• Package / Case: TO-3
• Mounting Style: Through Hole
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Electrical characteristics
Table 5.
Table 6.
10/39
Symbol
Symbol
ΔV
ΔV
SVR
SVR
ΔV
ΔV
ΔV
ΔV
ΔI
I
ΔI
I
R
R
V
V
eN
V
V
eN
I
I
I
O
V
scp
I
O
V
scp
sc
sc
Q
Q
O
O
O
O
O
O
Q
/ΔT
Q
/ΔT
I
I
O
O
O
O
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
Supply voltage rejection
Operating input voltage
Output resistance
Short circuit current
Short circuit peak current
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
Supply voltage rejection
Operating input voltage
Output resistance
Short circuit current
Short circuit peak current
Refer to the test circuits, T
Electrical characteristics of L78S75
Refer to the test circuits, T
Electrical characteristics of L78S09
Parameter
Parameter
I
V
V
I
I
I
I
B =10 Hz to 100 kHz
f = 120 Hz
I
f = 1 kHz
I
V
V
I
I
V
I
B =10 Hz to 100 kHz
f = 120 Hz
I
f = 1 kHz
V
V
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
= 9.5 to 25 V
= 10.5 to 20 V
= 27 V
= 11 to 25 V
= 11 to 20 V
= 11 to 25 V, I
= 27 V
= 1 A, V
= 20 mA to 2 A
= 20 mA to 1 A
= 20 mA, V
= 5 mA, T
≤
= 1 A, V
= 20 mA to 2 A
= 20mA to 1A
= 5 mA, T
≤
J
J
= 25 °C, V
1.5 A
= 25 °C, V
1.5 A
Doc ID 2148 Rev 4
I
I
Test conditions
Test conditions
= 9.5 V
= 11 V
J
J
I
= -55 °C to 150 °C
= -55 °C to 150 °C
= 9.5 to 25 V
I
I
O
= 12.5 V, I
= 14 V, I
= 20 mA
O
O
= 500 mA, unless otherwise specified.
= 500 mA, unless otherwise specified.
Min.
7.15
10.5
Min.
8.65
7.1
8.6
54
53
12
Typ.
Typ.
-0.8
500
500
7.5
7.5
52
16
60
17
-1
3
9
9
3
L78Sxx, L78SxxC
Max.
Max.
7.95
9.35
120
120
130
130
7.9
0.5
1.3
9.4
0.5
1.3
60
65
8
8
mV/°C
mV/°C
Unit
Unit
mV
mA
mΩ
mA
mV
mA
mΩ
mA
mV
mA
mV
mA
µV
dB
µV
dB
V
V
V
V
A
V
V
A