L7818CT STMicroelectronics, L7818CT Datasheet - Page 24

• Manufacturer Part Number: L7818CT
• Description: IC VREG POS 1.5A 18V TO-3
• Manufacturer: STMicroelectronics

Specifications of L7818CT

• Regulator Topology: Positive Fixed
• Voltage - Output: 18V
• 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: 18 V
• Output Current: 1.5 A
• Line Regulation: 360 mV
• Load Regulation: 360 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-7264; L7818CT

Electrical characteristics
Table 19.
1. Load and line regulation are specified at constant junction temperature. Changes in V
24/56
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 L7815C
Parameter
T
I
I
V
V
I
I
I
V
I
B = 10 Hz to 100kHz, T
V
I
f = 1 kHz
T
V
T
O
O
O
O
O
O
O
J
J
J
I
I
I
I
I
= 17.5 to 30 V, T
= 20 to 26 V, T
= 17.5 to 30 V
= 18.5 to 28.5 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 1A
= 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
= 28 to 30 V, T
= 25°C
= 25°C
J
= 25°C
J
I
= 17.5 to 28 V
= 25°C
J
J
I
= 25°C
= 23 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
14.25
14.25
Min.
14.5
54
I
= 0.33 µF, C
Typ.
0.23
2.2
90
19
15
15
15
-1
2
15.75
15.75
Max.
15.6
300
150
300
150
0.5
8
1
O
= 0.1 µF
mV/°C
µV/V
Unit
mV
mV
mA
mA
mΩ
dB
V
V
V
V
A
A
O