STR2000
Series
Switching Type
Features
q
q
q
q
q
Requires only 3 external components
Small size and high efficiency
Low switching noise
Variable output voltage
Use of SANKEN's semiconductor elements ensures
high reliability
Chopper 鈥?Self Oscillation Type
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)
External View
s
Absolute Maximum Ratings (Ta=25掳C)
Parameter
DC Input Voltage
DC Output Current
Power Dissipation
Operating Temperature
Storage Temperature
Thermal Resistance ( junction-to-case)
Symbol
V
IN
I
O
P
D
T
op
T
stg
R
th(j-c)
45
2.0 (pulse 3.0)
75 (T
C
=25掳C)
15 (T
C
=100掳C)
鈥?0 to +100
鈥?0 to +125
1.25
掳C
掳C
掳C/W
Ratings
STR2005 STR2012 STR2013 STR2015 STR2024
50
V
A
W
Unit
s
Electrical Characteristics (Ta=25掳C)
Ratings
Parameter
Symbol
STR2005
min
DC Input Voltage Range
V
IN
Condition
Output Voltage
V
O
5.0
5.1
11
STR2012
STR2013
STR2015
STR2024
typ max
50
V
Unit
typ max min typ
40
18
max min
45
19
typ max min
45
21
typ max min
45
30
I
O
=1.0A
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
V
IN
=24V, I
O
=1.0A
85
85
V
IN
=27V, I
O
=1.0A
85
V
IN
=27V, I
O
=1.0A
60
60
V
IN
=35V, I
O
=1.0A
85
V
IN
=35V, I
O
=1.0A
60
mV
%
V
Condition V
IN
=20V, I
O
=1.0A
Efficiency
畏
鈭哣
OLINE
鈭哣
OLOAD
R
REJ
Condition
72
Condition V
IN
=20V, I
O
=1.0A
Line Regulation
50
V
IN
=24V, I
O
=1.0A
60
V
IN
=20 to 28V, I
O
=1.0A
100
V
IN
=24V, I
O
=0.5 to 1.5A
45
f=100 to 120Hz
45
100
Condition V
IN
=15 to 25V, I
O
=1.0A
Load Regulation
100
V
IN
=23 to 31V, I
O
=1.0A V
IN
=30 to 40V, I
O
=1.0A
100
100
mV
Condition V
IN
=20V, I
O
=0.5 to 1.5A
Ripple Rejection
45
V
IN
=27V, I
O
=0.5 to 1.5A V
IN
=35V, I
O
=0.5 to 1.5A
45
45
dB
Switching Frequency
f
25
25
25
25
25
kHz
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
9
1
2
3
