1-1-1 Linear Regulator ICs
SI-3000J Series
sFeatures
5-Terminal, Full-Mold, Low Dropout Voltage Linear Regulator ICs
sAbsolute
Maximum Ratings
Parameter
DC Input Voltage
Output Control Terminal Voltage
DC Output Current
Power Dissipation
Junction Temperature
Operating Ambient Temperature
Storage Temperature
Thermal Resistance (junction to case)
Thermal Resistance (junction to ambient air)
Symbol
V
IN
V
C
I
O
P
D1
P
D2
T
j
T
op
T
stg
Ratings
SI-3050J
25
SI-3090J
30
V
IN
2.0
*1
20(With infinite heatsink)
1.5(Without heatsink, stand-alone operation)
–40 to +125
–30 to +100
–40 to +125
5.0
66.7(Without heatsink, stand-alone operation)
SI-3120J/3150J
35
(T
a
=25°C)
Unit
V
V
A
W
W
°C
°C
°C
°C/W
°C/W
• Compact full-mold package (equivalent to
TO220)
• Output current: 2.0A
• Low dropout voltage: V
DIF
1V (at I
O
=2.0A)
• Variable output voltage (rise only) Available for
remote sensing used for remote sensing.
• Output ON/OFF control terminal is compatible
with LS-TTL.
(It can be driven directly by LS-TTL or
standard CMOS logic.)
• Built-in foldback-overcurrent, input-overvoltage
and thermal protection circuits
θ
j-c
θ
j-a
sApplications
• For stabilization of the secondary-side output
voltage of switching power supplies
• Electronic equipment
sElectrical
Characteristics
Ratings
Parameter
Input Voltage
Output Voltage
Symbol
min.
V
IN
V
O
Conditions
V
DIF
Conditions
Dropout Voltage
Conditions
Line Regulation
Load Regulation
Temperature Coefficient
of Output Voltage
Ripple Rejection
∆V
OLINE
Conditions
∆V
OLOAD
Conditions
∆V
O
/∆T
a
Conditions
R
REJ
Conditions
I
q
Quiescent Circuit
Current
Overcurrent Protection
Starting
Current
*3,5
Control Voltage (Output ON)
Control Voltage (Output OFF)
V
C
Control Current
Terminal
*4
(Output ON)
Control Current
(Output OFF)
Conditions
I
q
(off)
Conditions
I
S1
Conditions
V
C.
IH
V
C.
IL
I
C.
IH
Conditions
I
C.
IL
Conditions
–0.3
2.0
0.8
20
2.1
V
IN
=8V
2.0
0.8
20
V
C
=2.7V
–0.3
V
C
=0.4V
–0.3
10
V
IN
=6 to 15V, I
O
=1.0A
40
V
IN
=8V, I
O
=0 to 2.0A
±0.5
V
IN
=8V, I
O
=5mA, T
j
=0 to 100°C
54
V
IN
=8V, f=100 to 120H
Z
3
V
IN
=8V, I
O
=0A
0.5
1.0
2.1
V
IN
=12V
2.0
0.8
20
V
IN
=8V, I
O
=0A, V
C
=0.4V
10
100
30
18
V
IN
=10 to 20V, I
O
=1.0A
70
V
IN
=12V, I
O
=0 to 2.0A
±1.0
V
IN
=12V, I
O
=5mA, T
j
=0 to 100°C
54
V
IN
=12V, f=100 to 120H
Z
3
V
IN
=12V, I
O
=0A
0.5
1.0
2.1
V
IN
=15V
2.0
V
IN
=12V, I
O
=0A, V
C
=0.4V
10
180
48
1.0
1.0
I
O
≤2.0A
24
V
IN
=13 to 25V, I
O
=1.0A
93
V
IN
=15V, I
O
=0 to 2.0A
±1.5
V
IN
=15V, I
O
=5mA, T
j
=0 to 100°C
54
V
IN
=15V, f=100 to 120H
Z
3
V
IN
=15V, I
O
=0A
0.5
1.0
2.1
V
IN
=15V, I
O
=0A, V
C
=0.4V
10
240
64
6
*2
4.90
5.00
V
IN
=8V, I
O
=1.0A
0.5
SI-3050J
typ.
max.
15
*1
5.10
min.
10
*2
8.82
9.00
V
IN
=12V, I
O
=1.0A
0.5
I
O
≤1.5A
1.0
SI-3090J
typ.
max.
25
*1
9.18
min.
13
*2
11.76
12.00
V
IN
=15V, I
O
=1.0A
0.5
SI-3120J
typ.
max.
27
*1
12.24
min.
16
*2
14.70
(T
a
=25°C unless otherwise specified)
SI-3150J
typ.
15.00
V
IN
=18V, I
O
=1.0A
0.5
1.0
30
V
IN
=16 to 25V, I
O
=1.0A
120
V
IN
=18V, I
O
=0 to 2.0A
±1.5
V
IN
=18V, I
O
=5mA, T
j
=0 to 100°C
54
V
IN
=18V, f=100 to 120H
Z
3
V
IN
=18V, I
O
=0A
0.5
1.0
mA
A
V
V
IN
=18V, I
O
=0A, V
C
=0.4V
V
IN
=18V
0.8
20
–0.3
mA
10
mA
dB
300
mV
mV/°C
90
mV
V
max.
27
*1
15.30
V
V
Unit
µ
A
*1:
*2:
*3:
*4:
*5:
V
IN(max)
and I
O(max)
are restricted by the relation P
D(max)
=(V
IN
-V
O
)•I
O
=20(W).
Refer to the Dropout Voltage parameter. (Refer to Setting DC Input Voltage on page 7.)
I
S
1 is specified at the 5% drop point of output voltage V
O
on the condition that V
IN
=V
O
+3V, I
O
=1A.
Output is ON even when output control terminal V
C
is open. Each input level is equivalent to LS-TTL level. Therefore, it can be driven directly by LS-TTLs.
These products cannot be used in the following applications because the built-in foldback-type overcurrent protection may cause errors during start-up stage.
(1) Constant current load (2) Positive and negative power supply (3) Series-connected power supply (4) V
O
adjustment by raising ground voltage
40
ICs
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