SN78xxx
◈
Electrical characteristics
( V
IN
=19V, C
IN
= 0.33uF, C
OUT
= 0.1 uF, I
OUT
= 500mA, T
J
=0
℃
~125
℃
; unless otherwise specified )
SN7812x
Characteristic
Symbol
Test Condition*
Min.
T
J
=25℃
Output Voltage**
V
O
14.5V
≤
V
IN
≤
27.0V
5.0mA
≤
I
O
≤
1.0A, P
D
≤
15W
14.5V
≤
V
IN
≤
30.0V
Line Regulation
V
O(
△
VI)
16.0V
≤
V
IN
≤
22.0V
5.0mA
≤
I
O
≤
1.5A
Load Regulation
V
O(
△
IL)
250mA
≤
I
O
≤
750mA
Quiescent Current
I
QC
T
J
=25℃
14.5V
≤
V
IN
≤
30.0V
Quiescent Current Change
I
QC
5.0mA
≤
I
O
≤
1.0A
Ripple Rejection
Dropout Voltage
Output Noise Voltage
Output Resistance
Short Circuit Current
Peak Output Current
Temperature coefficient of
Output voltage
RR
V
DROP
V
N
r
O
I
SC
I
PK
15.0V
≤
V
IN
≤
25.0V
f=120Hz
I
O
=1.0A
10Hz
≤
f
≤
100kHz
f=1.0kHz
V
I
=35V
T
J
=25℃
I
O
=5.0mA
T
A
=25℃
T
J
=25℃
T
A
=25℃
-
55
-
-
-
-
-
-
0.1
71
2.0
76
15
250
2.2
-1.0
0.5
-
-
-
-
-
-
-
dB
V
uV/ V
O
mΩ
mA
A
mV/
°C
T
J
=25℃
-
-
-
5.0
5.1
0.5
120
8.0
1.0
mA
mA
T
J
=25℃
-
-
3.0
11.0
120
240
mV
11.50
11.40
-
Typ.
12.00
12.00
10.0
Max.
12.50
V
12.60
240
mV
Unit
△
V
O
/
△
Temp
Pulse testing techniques are used to maintain the junction temperature as close to the ambient
temperature as possible. Thermal effects must be taken into separately.
** This specification applies only for dc power dissipation permitted by absolute maximum ratings.
*
KSD-I0O008-004
Jan. 2010 REV. 04
9
KODENSHI [ KODENSHI KOREA CORP. ]
