Power Supplies
DC to DC Converters
Single/Multi Output, General-Purpose
FEATURES
• These DC to DC converters are entirely shielded by a metal
case(except base).
• No external components needed.
• Built-in short circuit protection.
TEMPERATURE AND HUMIDITY RANGES
Temperature Operating
range
Storage
Humidity range
–10 to +70°C [With derating over 50°C]
–20 to +85°C
95(%)RH max.
[Maximum wet-bulb temperature:38°C]
CBK Series
DERATINGS
Derating is necessary when operating environment temperatures
exceed 50°C.
100
Output power (%)
80
60
40
20
0
–10 0
10
20
30
40
50
60
(°C)
Ambient temperature
70
80
SHAPES AND DIMENSIONS
Label
8.5max.
2.5
0.5
(5.02)
22.86
(5.02)
6
5
4
(2.48)
22.86
33.5max.
5.08
(2.48)
22.5max.
1
2
3
15.24
(3.33)
3.5±0.5
1
(8)
6- 0.64±0.1
(diagonal 0.85±0.1)
21.5
t=0.4
Weight: 12g
Dimensions in mm
CIRCUIT DIAGRAMS
SINGLE OUTPUT TYPE
CBK-SFE SERIES
+Vin
6
4
+Vout
R
L
TERMINAL CONNECTIONS
Series
No.1
No.2
No.3
No.4
No.5
No.6
CBK-SFE
–Vin
NC
NC
+Vout
–Vout
+Vin
CBK-DFE
–Vin
Common out
–Vout
+Vout
Common out
+Vin
Vin
5
–Vout
–Vin
1
2, 3 NC
2-OUTPUT TYPE
CBK-DFE SERIES
+Vin
6
4
+Vout
R
L1
2, 5
Common out
R
L2
–Vin
1
3
–Vout
Vin
Specifications which provide more details for the proper and safe use of the described product are available upon request.
All specifications are subject to change without notice.
Power Supplies
DC to DC Converters
Single/Multi Output, General-Purpose
ELECTRICAL CHARACTERISTICS
Part No.
CBK-0505SF
CBK-0512SF
CBK-0515SF
CBK-0512DF
CBK-0515DF
CBK-1205SF
CBK-1212SF
CBK-1215SF
CBK-1212DF
CBK-1215DF
CBK-2405SF
CBK-2412SF
CBK-2415SF
CBK-2412DF
CBK-2415DF
∗
1
∗
2
∗
3
∗
4
∗
5
CBK Series
Output
Input voltage
voltage
∗
1
Edc(V)
(V)
4.5 to 6
4.5 to 6
4.5 to 6
4.5 to 6
4.5 to 6
10 to 16
10 to 16
10 to 16
10 to 16
10 to 16
20 to 30
20 to 30
20 to 30
20 to 30
20 to 30
5±5%
12±5%
15±5%
±12±5%
±15±5%
5±5%
12±5%
15±5%
±12±5%
±15±5%
5±5%
12±5%
15±5%
±12±5%
±15±5%
Output voltage stability(%) typ.
Output current
(mA)
Input
Load
Temperature
∗
2
0 to 250
0 to 125
0 to 100
(12 to 60)
×
2
(10 to 50)
×
2
0 to 300
0 to 125
0 to 100
(12 to 60)
×
2
(10 to 50)
×
2
0 to 300
0 to 125
0 to 100
(12 to 60)
×
2
(10 to 50)
×
2
0.03
0.03
0.03
0.04
0.04
0.05
0.05
0.05
0.07
0.07
0.05
0.05
0.05
0.07
0.07
0.13
0.13
0.13
2
∗
5
2
∗
5
0.13
0.13
0.13
2
∗
5
2
∗
5
0.13
0.13
0.13
2
∗
5
2
∗
5
0.01
0.01
0.01
0.02
0.02
0.01
0.01
0.01
0.02
0.02
0.01
0.01
0.01
0.02
0.02
Output ripple noise
voltage
∗
3
Ep-p(mV)
typ.
max.
40
100
20
120
20
150
20
120
20
150
50
100
20
120
20
150
30
120
30
150
50
100
20
120
20
150
30
120
30
150
Efficiency
∗
4
Input-ouput
(%)typ.
insulation
65
65
65
65
65
70
70
70
70
70
75
75
75
75
75
Withstand
voltage
AC.500V
1min
Insulation
resistance
50M
Ω
min.
DC.500V
Output voltage: input variation(minimum to maximum input voltage), load variation: 0 to 100%, temperature variation: –10 to +70°C.
Variation value per 1°C.
Measurement frequency: 50MHz
Input voltage: typical value, output current: maximum value
2-output load variation condition: 20 to 100%(However, output voltage may not satisfy the difference within ±5% outside this range.)
PRECAUTIONS
• Parallel connection of outputs(to increase the converter output
current) is not possible.
• Since the converter is entirely shielded by a metal case, care
should be taken to isolate the case from the surrounding
components and wiring pattern.
• A fuse should be connected to the input with a current rating 3 to
8 times that of the rated(normal) input current.
A334_CBK
980403
Specifications which provide more details for the proper and safe use of the described product are available upon request.
All specifications are subject to change without notice.
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