9
DC Input Voltage Range
V
Output Voltage
V
Efficiency
%
Line Regulation
mV
Load Regulation
mV
Ripple Rejection
dB
Switching Frequency
kHz
STR2000
Series
Switching Type
Chopper Self Oscillation Type
External View
s
Electrical Characteristics (Ta=25
C)
Power Dissipation
P
D
W
Ratings
Parameter
Symbol
STR2005
STR2012
STR2013
STR2015
STR2024
Unit
min
typ max min typ
max min
typ max min
typ max min
typ max
V
IN
11
40
18
45
19
45
21
45
30
50
Condition
I
O
=1.0A
V
O
5.0
5.1
5.2 11.8 12.0 12.2 12.8 13.0 13.2 14.8 15.0 15.2 23.7 24.0 24.3
Condition V
IN
=20V, I
O
=1.0A
V
IN
=24V, I
O
=1.0A
V
IN
=27V, I
O
=1.0A
V
IN
=35V, I
O
=1.0A
72
85
85
85
85
Condition V
IN
=20V, I
O
=1.0A
V
IN
=24V, I
O
=1.0A
V
IN
=27V, I
O
=1.0A
V
IN
=35V, I
O
=1.0A
V
OLINE
50
60
60
60
60
Condition V
IN
=15 to 25V, I
O
=1.0A V
IN
=20 to 28V, I
O
=1.0A
V
IN
=23 to 31V, I
O
=1.0A V
IN
=30 to 40V, I
O
=1.0A
V
OLOAD
100
100
100
100
100
Condition V
IN
=20V, I
O
=0.5 to 1.5A V
IN
=24V, I
O
=0.5 to 1.5A
V
IN
=27V, I
O
=0.5 to 1.5A V
IN
=35V, I
O
=0.5 to 1.5A
R
REJ
45
45
45
45
45
Condition
f=100 to 120Hz
f
25
25
25
25
25
Condition V
IN
=20V, I
O
=1.0A
V
IN
=24V, I
O
=1.0A
V
IN
=27V, I
O
=1.0A V
IN
=35V, I
O
=1.0A
Ratings
STR2005 STR2012 STR2013 STR2015 STR2024
DC Input Voltage
V
IN
45
50
V
DC Output Current
I
O
2.0 (pulse 3.0)
A
75 (T
C
=25
C)
15 (T
C
=100
C)
Operating Temperature
T
op
20 to +100
C
Storage Temperature
T
stg
20 to +125
C
Thermal Resistance ( junction-to-case)
R
th(j-c)
1.25
C/W
s
Absolute Maximum Ratings (Ta=25
C)
Parameter
Symbol
Unit
Features
q
Requires only 3 external components
q
Small size and high efficiency
q
Low switching noise
q
Variable output voltage
q
Use of SANKEN's semiconductor elements ensures
high reliability
Applications
q
For power supplies in office equipment such as
electronic typewriters, printers, and copiers
q
For power supplies in VCRs and personal CB radios
(fixed station)
10
s
Outline Drawing/Terminal Connections (unit:mm)
s
Block Diagram
s
Ta-PD Characteristics
s
Standard External Circuit
s
Variable Output Voltage Circuit
Plastic Mold Package Type
Flammability: UL94V-0
Terminal Connections
q
Switching Output (backside of case)
w
Output Voltage Adjustment
e
Ground
r
Output Voltage Detection
t
Input
Weight: Approx. 14.5g
Type
Inductance L
STR2005
200
H
STR2012
300
H
STR2013
300
H
STR2015
350
H
STR2024
400
H
STR2000
Series
Lot Number
Type
36.0
0.3
2.0
0.2
24.4
0.2
5.45
4
2.0
3.0
30
3.5
5.45
1.0
+0.2
0.1
0.6
+0.2
0.1
12.0
0.3
21.2
0.3
3.2
0.1
4.7
max.
6.0
max.
20.0
min.
q
w
e
r
t
Tr
1
Tr
2
Ref. Voltage Circuit
5
1
4
2
3
R8
R5
D1
R7
R6
R4
R3
R2
R1
M1
C2
C1
24
20
16
12
8
4
0
20
0
20
40
Ambient Temperature Ta(
C)
Power Dissipation P
D
(W)
60
80
100
150
150
2(3.3
C/W)
100
100
2(5.2
C/W)
75
75
2(7.6
C/W)
Without heatsink
Without Mica
With Silicone Grease
Heatsink: Aluminum
Unit: mm
V
IN
V
out
L
GND
GND
DC Input
DC Output
1000
F
1000
F
+
+
1
3
4
5
V
IN
V
OUT
L
GND
GND
DC Input
DC Output
1000
F
VR
2
VR
1
VR
1
VR
2
: V
OUT
down
: V
OUT
up
1000
F
+
+
1
3
2
4
5
11
STR2000 Series Typical Characteristics (Ta=25
C)
s
STR2005
Rise Characteristics
Efficiency Characteristics
0
10
8
6
4
2
0
2
4
6
8
10
Input Voltage V
IN
(V)
Output Voltage V
O
(V)
12
14
16
18
20
I
O
=0A
1A, 2A
100
90
80
70
60
50
40
30
0
Output Current I
O
(A)
Efficiency
(%)
0
0.5
1.0
1.5
2.0
2.5
30V
40V
V
IN
=11V
20V
0
20
15
10
5
0
5
10
15
20
Input Voltage V
IN
(V)
Output Voltage V
O
(V)
25
30
35
40
45
2A
I
O
=0A, 1A
100
90
80
70
60
50
40
0
Output Current I
O
(A)
Efficiency
(%)
0
0.5
1.0
1.5
2.0
2.5
30V
40V
35V
45V
V
IN
=18V
24V
0
30
25
20
15
10
5
0
5
10
15
20
Input Voltage V
IN
(V)
Output Voltage V
O
(V)
25
30
35
40
45
I
O
=0A, 1A
2A
100
90
80
70
60
50
40
0
Output Current I
O
(A)
Efficiency
(%)
0
0.5
1.0
1.5
2.0
2.5
40V
35V
45V
V
IN
=30V
50V
s
STR2012
Rise Characteristics
Efficiency Characteristics
s
STR2024
Rise Characteristics
Efficiency Characteristics
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