L78S18CT STMicroelectronics, L78S18CT Datasheet - Page 20
L78S18CT
Manufacturer Part Number
L78S18CT
Description
Linear Regulators - Standard 18V 2.0A Positive
Manufacturer
STMicroelectronics
Datasheet
1.L78S09CT.pdf
(39 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Electrical characteristics
Table 18.
20/39
Symbol
ΔV
SVR
ΔV
ΔV
ΔI
I
R
V
V
eN
I
I
O
V
scp
sc
Q
O
O
O
Q
/ΔT
I
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
Refer to the test circuits, T
Electrical characteristics of L78S18C
Parameter
I
V
V
I
I
I
V
I
B =10 Hz to 100 kHz
f = 120 Hz
I
f = 1 kHz
V
O
O
O
O
O
O
I
I
I
I
= 20.5 to 30 V
= 22 to 28 V
= 20.5 to 30 V, I
= 27 V
= 1 A, V
= 20 mA to 1.5 A
= 2 A
= 20 mA to 1 A
= 5 mA, T
≤
J
= 25 °C, V
1 A
Doc ID 2148 Rev 4
I
Test conditions
= 20.5 V
J
= 0 °C to 70 °C
I
= 26 V, I
O
= 20 mA
O
= 500 mA, unless otherwise specified.
Min.
17.1
17
43
21
Typ.
200
110
500
18
18
22
-1
3
L78Sxx, L78SxxC
Max.
18.9
360
180
360
0.5
19
8
1
mV/°C
Unit
mV
mV
mA
mΩ
mA
mA
µV
dB
V
V
V
A