6 WATT
DC-DC
CONVERTER
OBR- SC / WC 05
SINGLE/ DUAL CHANNEL
Features
1.PCB Mountable
2. Small , Light Weight
3. High Efficiency
4. Cost effective
5. Output Voltage adjustable
6. Over Voltage Protection
7. EMI: complies to FCC/B
8. Safety: UL 1950, CSA 950(C-UL) approved
General Description
OB-Series AC/DC Switching Power Supplies are designed and
built to be installed right onto the user’s printed circuit board
like a piece of “patch-work”. They are small, light in weight
and cost effective.
SC/WC05 Input Specifications
Specifications
OBR**SC/WC05
6WATTS/SINGLE/2 OUTPUT
Input Characteristic
Input Voltage DC[V]
Input Range
DC[V]
Inrush Current
[A]
Input Range
at no load [mA](typical)
at full load[mA](typical)
Line Back Noise [mVp-p](typical)
Efficiency [%] (typical) *1
Model
OBR05SC05
5
OBR12SC05
5
OBR15SC05
5
4.5-6
Not specified
50
1351
300
74
51
578
150
68
60
1600
676
300
150
74
75
62
1548 654
300
150
75
88
67
1590
668
300
150
76
106
1642
300
74
93
697
150
116
1568
300
75
98
662
150
OBR24SC05 OBR22WC05
5
5
OBR23WC05
5
SC/WC05 Output Specifications
Specifications
OBR**SC/WC05
6WATTS/SINGLE/2 OUTPUT
Output Voltage [V]
Output Current [A]
Voltage Tolerance [mV](maximum) *2
Ripple and Noise [mVp-p](maximum) *3
Regulation
a.Static Line Regulation [mV](maximum)
b.Dynamic Line Regulation +/-[mV](maximum) *4
Model
OBR05SC05
5
1
100
OBR12SC05
12
0.50
240
OBR15SC05
15
0.40
300
100
25
200
25
60
360
60
75
450
75
120
720
120
60
480
±1000
±480
±60
75
360
60
480
±1000
±480
±60
75
360
75
600
±1200
±600
±75
90
450
75
600
±1200
±600
±75
90
450
OBR24SC05
24
0.26
480
OBR22WC05
+12
-12
0.025-0.25
240
240
OBR23WC05
+15
-15
0.020-0.20
300
300
c.Static Load Regulation [mV](maximum) *5
[mV](maximum)
[mV](maximum)
d.Temperature Coefficient *8
e.Drift[mV](maximum) *9
g.Recovery Time *4,*10
Rise up time
Hold up time
Functions
Overcurrent Protection
Overvoltage Protection
Remote Sence
Trimming of output voltage[mV] *11
[mV] *12
Input Fuse
*6
*7
40
150
75
360
0.03%/℃(maximum)
90
135
450
720
20mS(typical)
20mS(typical) at rated input/output
Not specified
f.Dynamic Load Regulation [mV](maximum) *10
Foldback/Current Limiting with automatic recovery at discontinuous short circuit conditions
Not available
+250
-250
+250
-900
Not available
+350
+650
-1600
Installed
-4000
Environmental
Operating Temperature
-20 to 71℃
(derating)
3.5%/℃ (50℃to 71℃)(out of warranty
≧71℃)
Operating Humidity
20-90%/RH(non-condensing)
Storage Temperature
-20 to +85℃
Storage Humidity
20 to 90%/RH(non-condensing)
Withstanding Voltage
Primary-Secondary AC500V for 1minute
Primary-Secondary 50MΩ(minimum) by DC500V insulation tester
Isolation Resistance
2200
Capacitance(input-output) [pF](typical)
2
Vibration
5-10Hz:10mm double amplitude,10-55Hz:2G,19.6m/s ,20minutes' period for 60minutes each along X,Y,Z axes(non-operating)
294m/s
2
Shock
Convection
Cooling
open board type:12g
Weight (typical)
Conditions:
*1 at 25℃ and rated input/output
*2 OBR**WC0512 satisfies the above-mentioned specifications at the same load conditions on both outputs
*3 measured by a probe at the output connector at a 0 to 100MHz bandwidth
*4 when input voltage changed from 4.5V to 16V rapidly at rated input
*5 when output current changed from 0mA to rated current keeping the current of other output below minimum rated current
at rated input
*6 when output current changed from minimum rated current to rated current keeping the current of other output
above minimum rated current at rated input
*7 output current of both outputs changed from 0mA to rated current identically at rated input
*8 at -20 to +71℃
*9 for 7hour period after 1hour warm-up at 25℃ and rated input/output
*10 when output current changed rapidly between 25% and 75% of rated current at rated input
*11 to reduce output voltage,put a resistor between pin"0" and trimming pin
*12 to increase output voltage,put a resistor between pin"+" and trimming pin
SC/WC0512 Input Specifications
Specifications
Model
OBR**SC/WC0512
OBR05SC0512
OBR12SC0512
OBR15SC0512
OBR24SC0512
OBR22WC0512
OBR23WC0512
6WATTS/SINGLE/2 OUTPUT
Input Characteristic
Input Voltage DC[V]
5
12
5
12
5
12
5
12
5
12
5
12
4.5-16
Input Range
DC[V]
Not specified
Inrush Current
[A]
Inrush Current
[A]
at no load [mA](typical)
50
51
68
60
75
62
88
67
106
93
116
98
at full load[mA](typical)
1351
578
1600
676 1548 654
1590
668 1642 697
1568
662
Line Back Noise [mVp-p](typical)
300
150
300
150
300
150
300
150
300
150
300
150
Efficiency [%] (typical) *1
74
72
75
74
77
76
78
78
75
74
76
75
OC/WC0512 Output Specifications
Specifications
OBR**SC/WC0512
6WATTS/SINGLE/2 OUTPUT
Output Voltage [V]
Output Current [A]
Voltage Tolerance [mV](maximum) *2
Ripple and Noise [mVp-p](maximum) *3
Regulation
a.Static Line Regulation [mV](maximum)
b.Dynamic Line Regulation +/-[mV](maximum) *4
Model
OBR05SC0512
5
1
100
OBR12SC0512
12
0.50
240
OBR15SC0512
15
0.40
300
100
25
200
25
60
360
60
75
450
75
120
720
120
60
480
±1000
±480
±60
75
360
60
480
±1000
±480
±60
75
360
75
600
±1200
±600
±75
90
450
75
600
±1200
±600
±75
90
450
OBR24SC0512
24
0.26
480
OBR22WC0512
+12
-12
0.025-0.25
240
240
OBR23WC0512
+15
-15
0.020-0.20
300
300
c.Static Load Regulation [mV](maximum) *5
[mV](maximum) *6
[mV](maximum) *7
d.Temperature Coefficient *8
e.Drift[mV](maximum) *9
f.Dynamic Load Regulation [mV](maximum) *10
g.Recovery Time *4,*10
Rise up time
Hold up time
Functions
Overcurrent Protection
40
150
75
360
0.03%/℃
(maximum)
90
135
450
720
20mS(typical)
20mS(typical) at rated input/output
Not specified
Foldback/Current Limiting with automatic recovery at discontinuous short circuit conditions
Not available
Not available
+250
-250
+250
-900
+350
-1600
Installed
-20 to 71℃
3.5%/℃
(50℃ 71℃
to
)(out of warranty
≧
)
71℃
20-90%/RH(non-condensing)
-20 to +85℃
20 to 90%/RH(non-condensing)
Primary-Secondary AC500V for 1minute
Primary-Secondary 50MΩ(minimum) by DC500V insulation tester
2200
5-10Hz:10mm double amplitude,10-55Hz:2G,19.6m/s
2
,20minutes' period for 60minutes each along X,Y,Z axes(non-operating)
Overvoltage Protection
Remote Sence
Trimming of output voltage[mV] *11
[mV] *12
Input Fuse
Environmental
Operating Temperature
(derating)
Operating Humidity
Storage Temperature
Storage Humidity
Withstanding Voltage
Isolation Resistance
Capacitance(input-output) [pF](typical)
Vibration
Shock
Cooling
Weight (typical)
+650
-4000
294m/s
2
Convection
open board type:12g
Conditions:
*1 at 25℃
and rated input/output
*2 OBR**WC0512 satisfies the above-mentioned specifications at the same load conditions on both outputs
*3 measured by a probe at the output connector at a 0 to 100MHz bandwidth
*4 when input voltage changed from 4.5V to 16V rapidly at rated input
*5 when output current changed from 0mA to rated current keeping the current of other output below minimum rated current
at rated input
*6 when output current changed from minimum rated current to rated current keeping the current of other output
above minimum rated current at rated input
*7 output current of both outputs changed from 0mA to rated current identically at rated input
*8 at -20 to +71℃
*9 for 7hour period after 1hour warm-up at 25℃
and rated input/output
*10 when output current changed rapidly between 25% and 75% of rated current at rated input
*11 to reduce output voltage,put a resistor between pin"0" and trimming pin
*12 to increase output voltage,put a resistor between pin"+" and trimming pin