4 / 6 page
sTypical Characteristics of SI-3018LSA
(Ta=25
°C)
IO vs. VDIF Characteristics
Load Regulation
Output ON/OFF Control
Output Voltage Characteristics
Overcurrent Protection Characteristics
Output ON/OFF Control Current
Line Regulation
Thermal Protection Characteristics
Circuit Current
[Note on Thermal Protection]
The thermal protection circuit is in-
tended for protection against heat
during instantaneous short-circuiting.
Its operation is not guaranteed for
continuous heating conditions such
as short-circuiting over extended
periods of time.
0
0.2
0.4
0.6
0.8
1.0
1.0
0.8
0.6
0.4
0.2
0
Output Current IO (A)
VIN=8V
5V
3.2V
0
0.2
0.4
0.6
0.8
1.0
1.84
1.82
1.80
1.78
1.76
1.74
1.72
Output Current IO (A)
VIN=3.3V
IO=5mA
0123
3
2
1
0
Output ON/OFF Control Voltage VC (V)
IO=0A-1A
0.25A step
012
3
4
5
3
2
1
0
Input Voltage VIN (V)
VIN=5V
2
1.5
1
0.5
0
0
0.5
1
1.5
2
Output Current IO (A)
VIN=3.3V
IO=5mA
0123
60
50
40
30
20
10
0
Output Control Voltage VC (V)
02
4
6
8
10
1.84
1.82
1.80
1.78
1.76
1.74
1.72
Input Voltage VIN (V)
IO=1A
0.75A
0.5A
0.25A
0A
IO=1A-0A
0.25A step
0
2
468
10
20
15
10
5
0
Input Voltage VIN (V)
qSI-3000LSA Series
VIN=3.3V
IO=5mA
3
2
1
0
0
60
100
140
180
20
Case Temperature TC (
°C)