Samsung SR-61KTC, Service Manual

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74
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Characteristic Symbol Test Conditions Unit
Characteristic Symbol Value Unit
ABSOLUTE MAXIMUM RATINGS
(T
A
= 25 unless otherwise specified)
Input Voltage (for Vo = 5V to 18V)
(for Vo = 24V)
Thermal Resistance Junction-Cases
Thermal Resistance Junction-Air
Operating Junction Temperature Range KA78XX/A
KA78XXI
Storage Temperature Range
V
I
V
I
R
eJC
R
eJA
T
OPR
T
STG
V
V
/W
/W
35
40
5
65
0 ~ +125
-40 ~ +125
-65 ~ +150
ELECTRICAL CHARACTERISTICS KA7805/I
(Refer to test circuit, T
MIN
< T
J
< T
MAX
, I
O
= 500mA, V
I
= 10V, C
I
= 0.33 F, C
O
= 0.1 F, unless otherwise specified)
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple
Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
o
V
o
V
o
I
Q
I
Q
V
o
/ T
V
N
RR
V
o
R
o
I
SC
I
PK
T
J
= 25
5.0mA 1.0A, P
O
15W
V
I
= 7V to 20V
V
I
= 8V to 20V
T
J
= 25
I
O
= 5mA to 1.0A
V
I
= 7V to 25V
V
I
= 8V to 25V
I
O
= 5mA
f = 10Hz to 100KHz T
A
= 25
f = 120Hz
V
I
= 8 to 18V
I
O
= 1A, T
J
= 25
f = 1KHz
V
I
= 35V, T
A
= 25
T
J
= 25
4.8
4.75
62
5.0
5.0
4.0
1.6
9
4
5.0
0.03
0.3
-0.8
42
73
2
15
230
2.2
5.2
5.25
100
50
100
50
8
0.5
1.3
4.8
4.75
62
5.0
5.0
4.0
1.6
9
4
5.0
0.03
0.3
-0.8
42
73
2
15
230
2.2
5.2
5.25
100
50
100
50
8
0.5
1.3
V
mV
mV
mA
mA
mV/
℃
V
dB
V
m
mA
A
KA78051
Min Typ Max
KA7805
Min Typ Max
T
J
= 25℃
T
J
= 25℃
V
I
= 7V to 25V
V
I
= 8V to 12V
I
O
= 0.5mA to 1.5A
I
O
= 250mA to 750mA
T
MIN
< T
J
< T
MAX
KA78XXI : T
MIN
= -40℃
,
T
MAX
= 125
℃
KA78XX, T
MIN
= 0℃ , T
MAX
= 125 ℃
Load and line regulation are specified at constant junction temperature.
Changes in VO due to heating effects must be taken into account separately.
Pulse testing with low duty is used.