KA7812 Fairchild Semiconductor, KA7812 Datasheet - Page 4

• Manufacturer Part Number: KA7812
• Description: Linear Regulators - Standard 12V 1.0A 4%
• Manufacturer: Fairchild Semiconductor

Specifications of KA7812

• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Fixed
• Output Voltage: 12 V
• Output Current: 1 A
• Line Regulation: 240 mV
• Load Regulation: 240 mV
• Dropout Voltage (max): 2 V
• Input Voltage Max: 40 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Package / Case: TO-220
• Mounting Style: Through Hole
• Voltage Regulation Accuracy: 4 %
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

KA78XX/KA78XXA
Electrical Characteristics (KA7808/KA7808R)
(Refer to test circuit ,0 C < T
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
4
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
into account separately. Pulse testing with low duty is used.
Parameter
J
< 125 C, I
Regload
Symbol
Regline
V
V
I
RR
I
V
V
Drop
r
I
O
SC
PK
Q
I
O
O
N
O
Q
/ T
= 500mA, V
T
5.0mA ≤ I
V
T
T
T
I
V
I
f = 10Hz to 100KHz, T
f = 120Hz, V
I
f = 1KHz
V
T
O
O
O
J
J
J
J
J
I
I
I
= 35V, T
= 10.5V to 23V
= 10.5A to 25V
= 5mA to 1.0A
= 5mA
= 1A, T
=+25
=+25
=+25
=+25
=+25
I
=14V, C
o
o
o
o
o
C
C
C
C
C
J
O
A
=+25
Conditions
I
≤ 1.0A, P
=+25
= 11.5V to 21.5V
I
V
V
I
I
750mA
= 0.33 F, C
o
O
O
I
I
C
o
= 250mA to
= 10.5V to 25V
= 11.5V to 17V
= 5.0mA to 1.5A
C
A
=+25
O
≤ 15W
o
O
C
=0.1 F, unless otherwise specified)
O
due to heating effects must be taken
Min.
7.7
7.6
56
-
-
-
-
-
-
-
-
-
-
-
-
-
KA7808
Typ.
0.05
-0.8
230
8.0
8.0
5.0
2.0
5.0
5.0
0.5
2.2
10
52
73
17
2
Max.
160
160
8.3
8.4
8.0
0.5
1.0
80
80
-
-
-
-
-
-
-
mV/
Unit
m
mV
mV
mA
mA
V/Vo
mA
dB
V
A
V
o
C