Dropper Type Regulator ICs
[2-output]
SI-3102S
Electrical Characteristics
Line Regulation (1)
5.10
V
IN
= V
C
I
O2
= 5mA
Line Regulation (2)
5.10
V
IN
= V
C
I
O1
= 5mA
Load Regulation (1)
5.10
V
IN
= V
C
5.05
Output voltage V
O
(V)
Output voltage V
O
(V)
5.05
Output voltage V
O
(V)
5.05
I
O2
=
0A
50mA
100mA
V
IN
=
6V
14V
30V
5.00
I
O1
=
0A
20mA
40mA
5.00
5.00
4.95
4.95
4.95
4.90
4.90
4.90
4.85
0
5
10
15
20
25
30
35
Input voltage V
IN
(V)
4.85
0
5
10
15
20
25
30
35
Input voltage V
IN
(V)
4.85
0
10
20
30
40
50
Output current I
O
(mA)
Load Regulation (2)
5.10
V
IN
= V
C
Rise Characteristics
6
5
V
IN
=
6V,14V
Quiescent Circuit Current
12
V
C
= 0V
I
O1
= 0A
4
3
2
1
0
I
O1
= 0A
20mA
40mA
Quiescent current lq (mA)
5.05
Output voltage V
O
(V)
Output voltage V
O
(V)
10
8
6
4
2
0
0
1
2
3
4
5
6
7
0
5
10
15
20
25
30
35
Input voltage V
IN
(V)
Input voltage V
IN
(V)
5.00
4.95
30V
4.90
4.85
0
20
40
60
80
100
Output current I
O
(mA)
ON/OFF Control Characteristics
6
V
IN
= 14V
I
O2
= 5mA
Overcurrent Protection Characteristics (1)
6
V
IN
= V
C
I
O2
= 5mA
Overcurrent Protection Characteristics (2)
6
V
IN
= V
C
I
O1
= 5mA
5
Output voltage V
O2
(V)
Output voltage V
O1
(V)
5
4
3
2
1
0
0
1
2
3
4
5
6
0
20
40
60
80
100
120
Output ON/OFF control voltage V
C
(V)
Output current I
O
(mA)
Output voltage V
O2
(V)
5
4
3
2
1
0
0
0.1
0.2
0.3
0.4
0.5
Output current I
O2
(A)
4
OFF
3
2
1
0
ON
V
IN
=
6V
14V
30V
V
IN
=
6V
14V
30V
Thermal Protection Characteristics
6
V
IN
= 6V
I
O1
= I
O2
= 5mA
Overvoltage Protection Characteristics
6
V
IN
= V
C
I
O2
= 5mA
Ta—P
D
Characteristics
25
With infinite heatsink
With silicone grease G746
(Shin-Etsu Chemical)
Heatsink: aluminum
5
Output voltage V
O1
(V)
5
Power Dissipation P
D
(W)
Output voltage V
O
(V)
V
O1
20
200
200
2mm
(2.3ºC/W)
4
3
2
1
0
100
4
3
V
O2
15
100
100
2mm
(5.2ºC/W)
10
75
75
2mm
(7.6ºC/W)
2
1
0
26
5
Without heatsink
120
140
180
200
220
240
28
30
32
34
36
38
0
–40 –20 0
20 40 60 80 100 120 140 160
Ambient temperature Ta (ºC)
Note on Thermal Protection Characteristics:
The thermal protection circuit is intended for protection against heat
during instantaneous short-circuiting. Its operation, including reliability,
is not guaranteed for short-circuiting over an extended period of time.
Input voltage V
IN
(V)
Operating temperature Ta (ºC)
15
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