qSI-3000C
Series
SI-3000C Series
5-Terminal, Multi-Function, Full-Mold, Low Dropout Voltage Dropper Type
sFeatures
•
•
•
•
Compact full-mold package (equivalent to TO220)
Output current: 1.5A
Low dropout voltage: V
DIF
≤1V
(at I
O
=1.5A)
Variable output voltage (rise only)
May be used for remote sensing
• Output ON/OFF control terminal is compatible with LS-TTL. (It may be
directly driven by LS-TTL or standard CMOS logic.)
• Built-in foldback overcurrent (SI-3033C: Drooping type overcurrent), ov-
ervoltage, thermal protection circuits
sApplications
• For stabilization of the secondary stage of switching power supplies
• Electronic equipment
sAbsolute
Maximum Ratings
Parameter
DC Input Voltage
Voltage of Output Control Terminal
DC Output Current
Power Dissipation
Junction Temperature
Ambient Operating Temperature
Storage Temperature
Thermal Resistance (junction to case)
Thermal Resistance (junction to ambient air)
Symbol
SI-3033C
V
IN
V
C
I
O
P
D1
P
D2
T
j
T
op
T
stg
R
th(j-c)
R
th(j-a)
20
35
V
IN
1.5
*2
18(With infinite heatsink)
1.5(Without heatsink, stand-alone operation)
–40 to +125
–30 to +100
–40 to +125
5.5
66.7(Without heatsink, stand-alone operation)
Ratings
SI-3050C/3090C SI-3120C/3150C
35
SI-3240C
45
V
V
A
W
W
°C
°C
°C
°C/W
°C/W
Unit
(T
a
=25°C)
39
qSI-3000C
Series
sElectrical
Characteristics
Ratings
Parameter
Input Voltage
SI-3000C
*1
(T
a
=25°C unless otherwise specified)
Symbol
min.
V
IN
V
O
Conditions
V
DIF
Conditions
*3
SI-3033C
typ.
3.300
3.300
max.
15
*2
3.432
3.366
0.5
min.
6
*3
4.80
4.90
SI-3050C
typ.
5.00
5.00
V
IN
=8V, I
O
=1.0A
0.5
I
O
≤1.0A
1.0
1.0
I
O
≤1.5A
10
40
±0.5
54
V
IN
=8V, f=100 to 120H
Z
5
V
IN
=8V, I
O
=0A
1.6
1.6
V
IN
=8V
2.0
0.8
20
V
C
=2.7V
–0.3
V
C
=0.4V
–0.3
0.8
20
2.0
10
10
30
100
max.
30
*2
5.20
5.10
min.
10
*3
8.64
8.82
SI-3090C
typ.
9.00
9.00
max.
30
*2
9.36
9.18
0.5
Unit
V
V
3.168
3.234
Output Voltage SI-3000CA
V
IN
=5V, I
O
=1.0A
V
IN
=12V, I
O
=1.0A
Dropout Voltage
V
1.0
18
70
±1.0
54
V
IN
=12V, f=100 to 120H
Z
5
V
IN
=12V, I
O
=0A
A
V
IN
=12V
V
0.8
20
–0.3
µA
mA
10
mA
48
180
Conditions
Line Regulation
Load Regulation
Temperature Coefficient
of Output Voltage
Ripple Rejection
Quiescent Circuit Current
Overcurrent Protection
Starting
Current
*4,6
Control Voltage (Output ON)
Control Voltage (Output OFF)
V
C
Control Current
*5
Terminal (Output ON)
Control Current
(Output OFF)
∆V
OLINE
Conditions
∆V
OLOAD
Conditions
∆V
O
/∆T
a
R
REJ
Conditions
I
q
Conditions
I
S1
Conditions
V
C.
IH
V
C.
IL
I
C.
IH
Conditions
I
C.
IL
Conditions
2.0
1.6
V
IN
=5V
10
40
±0.5
54
V
IN
=5V, f=100 to 120H
Z
3
V
IN
=5V, I
O
=0A
30
100
V
IN
=4.5 to 12V, I
O
=1.0A
V
IN
=5V, I
O
=0 to 1.5A
mV
mV
mV/°C
dB
V
IN
=6 to 15V, I
O
=1.0A
V
IN
=8V, I
O
=0 to 1.5A
V
IN
=10 to 20V, I
O
=1.0A
V
IN
=12V, I
O
=0 to 1.5A
Conditions V
IN
=5V, I
O
=5mA, T
j
=0 to 100°C V
IN
=8V, I
O
=5mA, T
j
=0 to 100°C V
IN
=12V, I
O
=5mA, T
j
=0 to 100°C
*1: "A" may be indicated to the right of the Sanken logo.
*2: V
IN(max)
and I
O(max)
are restricted by the relation P
D(max)
=(V
IN
-V
O
)•I
O
=18(W).
*3: Refer to the dropout voltage.(Refer to Setting DC Input Voltage on page 7.)
*4: I
S
1 is specified at –5(%) drop point of output voltage V
O
on the condition that V
IN
=V
O
+3V, I
O
=0.5A.
*5: Output is ON even when output control terminal V
C
is open. Each input level is equivalent to LS-TTL. Therefore, it may be directly driven by an
LS-TTL circuit.
*6: A foldback type overcurrent protection circuit is built into the I
C
regulator (excluding SI-3033C). Therefore, avoid using it for the following applica-
tions as it may cause starting errors:
(1) Constant current load (2) Plus/minus power (3) Series power (4) V
O
adjustment by raising ground voltage
40
qSI-3000C
Series
sElectrical
Characteristics
Ratings
Parameter
Input Voltage
SI-3000C
*1
(T
a
=25°C unless otherwise specified)
Symbol
min.
V
IN
V
O
Conditions
V
DIF
Conditions
13
*3
11.52
11.76
SI-3120C
typ.
12.00
12.00
max.
30
*2
12.48
12.24
0.5
min.
16
*3
14.40
14.70
SI-3150C
typ.
15.00
15.00
max.
30
*2
15.60
15.30
0.5
I
O
≤1.0A
1.0
1.0
I
O
≤1.5A
30
120
±1.5
V
IN
=18V, I
O
=5mA, T
j
=0 to 100°C
54
V
IN
=18V, f=100 to 120H
Z
5
V
IN
=18V, I
O
=0A
1.6
1.6
V
IN
=18V
2.0
0.8
20
V
C
=2.7V
–0.3
V
C
=0.4V
–0.3
0.8
20
2.0
10
10
90
300
min.
25
*3
23.04
23.52
SI-3240C
typ.
24.00
24.00
max.
40
*2
24.96
24.48
0.5
Unit
V
V
Output Voltage SI-3000CA
V
IN
=15V, I
O
=1.0A
V
IN
=18V, I
O
=1.0A
V
IN
=27V, I
O
=1.0A
Dropout Voltage
V
1.0
48
120
±2.5
V
IN
=27V, I
O
=5mA, T
j
=0 to 100°C
54
V
IN
=27V, f=100 to 120H
Z
5
V
IN
=27V, I
O
=0A
A
V
IN
=27V
V
0.8
20
–0.3
µA
mA
10
mA
dB
128
300
Conditions
Line Regulation
Load Regulation
Temperature Coefficient
of Output Voltage
Ripple Rejection
Quiescent Circuit Current
Overcurrent Protection
Starting
Current
*4,6
Control Voltage (Output ON)
Control Voltage (Output OFF)
Control Current
V
C
Terminal
*5
(Output ON)
Control Current
(Output OFF)
∆V
OLINE
Conditions
∆V
OLOAD
Conditions
∆V
O
/∆T
a
Conditions
R
REJ
Conditions
I
q
Conditions
I
S1
Conditions
V
C.
IH
V
C.
IL
I
C.
IH
Conditions
I
C.
IL
Conditions
2.0
1.6
V
IN
=15V
24
93
±1.5
V
IN
=15V, I
O
=5mA, T
j
=0 to 100°C
54
V
IN
=15V, f=100 to 120H
Z
5
V
IN
=15V, I
O
=0A
64
240
V
IN
=13 to 25V, I
O
=1.0A
V
IN
=15V, I
O
=0 to 1.5A
mV
mV
mV/°C
V
IN
=16 to 25V, I
O
=1.0A
V
IN
=18V, I
O
=0 to 1.5A
V
IN
=25 to 38V, I
O
=1.0A
V
IN
=27V, I
O
=0 to 1.5A
*1: "A" may be indicated to the right of the Sanken logo.
*2: V
IN(max)
and I
O(max)
are restricted by the relation P
D(max)
=(V
IN
-V
O
)•I
O
=18(W).
*3: Refer to the dropout voltage.(Refer to Setting DC Input Voltage on page 7.)
*4: I
S
1 is specified at –5(%) drop point of output voltage V
O
on the condition that V
IN
=V
O
+3V, I
O
=0.5A.
*5: Output is ON even when output control terminal V
C
is open. Each input level is equivalent to LS-TTL. Therefore, it may be directly driven by an
LS-TTL circuit.
*6: A foldback type overcurrent protection circuit is built into the I
C
regulator (excluding SI-3033C). Therefore, avoid using it for the following applica-
tions as it may cause starting errors:
(1) Constant current load (2) Plus/minus power (3) Series power (4) V
O
adjustment by raising ground voltage
41
qSI-3000C
Series
sOutline
Drawing
(unit:mm)
φ
3.2
±0.2
0.5
10.0
±0.2
4.2
±0.2
2.8
±0.2
±0.2
4.0
7.9
±0.2
16.9
±0.3
Lot Number
2.6
±0.1
(2.0)
5.0
±0.6
(17.9)
Part Number
Plastic Mold Package Type
Flammability: UL94V-0
Weight: Approx. 2.3g
q
w
e
r
t
GND
V
C
V
O
V
OS
V
IN
0.95
±0.15
+0.2
0.85
–0.1
(4.6)
0.45
–0.1
P1.7
±0.7
×4=6.8
±0.7
+0.2
3.9
±0.7
(4.3)
8.2
±0.7
1 2 3 4 5
Forming No. 1101
sBlock
Diagram
SI-3000C
5
T
r1
3
MIC
(8.0)
4
Reg.
ON/OFF
Protection
Amp.
Drive
2
Equivalent
to LS-TTL
1
sStandard
External Circuit
C
0
*1 C
1
C
2
3
SI-3000C
2
1
4
+
C
0
DC Output
V
O
V
REF
D
1
*
2
: Output capacitor (47 to 100µF)
: Oscillation prevention capacitor (C
1
: Approx. 47µF,
C
2
: 0.33µF)
These capacitors are required if the input line is inductive
and in the case of long wiring. Tantalum capacitors are rec-
ommended for C
1
and C
0
, particularly at low temperatures.
5
+
DC Input
V
IN
*
1
C
1
C
2
OPEN
*2 D
1
: Protection diode
This diode is required for protection against reverse biasing
of the input and output. Sanken EU2Z is recommended.
42
qSI-3000C
Series
sT
a
-P
D
Characteristics
20
Infinite heatsink
Power Dissipation P
D
(W)
With Silicon Grease
Heatsink: Aluminum
15
200×200×2mm (2.3°C/W)
10 100×100×2mm (5.2°C/W)
75×75×2mm (7.6°C/W)
5
Without heatsink
0
–30
0
25
50
75
100
Ambient Temperature T
a
(°C)
P
D
=I
O
•[V
IN
(mean)–V
O
]
43
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