Datasheet

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date
09/05/2012
page
1 of 5
SERIES: VBSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
1 W isolated output
industry standard 8 pin DIP package
single unregulated outputs
UL safety approvals
wide temperature (-40~85°C)
efficiency up to 80%
U
•
•
•
•
•
•
ED
FEATURES
input
voltage
MODEL
output
voltage
N
RoHS
output
current
output
power
ripple1
noise1
efficiency
range
(Vdc)
(Vdc)
VBSD1-S3.3-S5-DIP
3.3
2.97~3.63
5
VBSD1-S5-S3.3-DIP
5
4.5~5.5
3.3
30
303
1
75
150
72
VBSD1-S5-S5-DIP
5
4.5~5.5
5
20
200
1
75
150
70
VBSD1-S5-S9-DIP
5
4.5~5.5
9
12
111
1
75
150
78
VBSD1-S5-S12-DIP
5
4.5~5.5
12
9
83
1
75
150
78
max
(mA)
max
(W)
max
(mVp-p)
max
(mVp-p)
typ
(%)
20
200
1
75
150
74
N
5
4.5~5.5
15
7
67
1
75
150
80
VBSD1-S12-S3.3-DIP
12
10.8~13.2
3.3
30
303
1
75
150
72
VBSD1-S12-S5-DIP
12
10.8~13.2
5
20
200
1
75
150
71
VBSD1-S12-S9-DIP
12
10.8~13.2
9
12
111
1
75
150
76
VBSD1-S12-S12-DIP
VBSD1-S12-S15-DIP
VBSD1-S15-S3.3-DIP
O
VBSD1-S5-S15-DIP
min
(mA)
TI
typ
(Vdc)
12
10.8~13.2
12
9
83
1
75
150
78
12
10.8~13.2
15
7
67
1
75
150
79
15
13.5~16.5
3.3
30
303
1
75
150
73
15
13.5~16.5
5
20
200
1
75
150
74
VBSD1-S15-S9-DIP
15
13.5~16.5
9
12
111
1
75
150
75
VBSD1-S15-S12-DIP
15
13.5~16.5
12
9
83
1
75
150
79
VBSD1-S15-S15-DIP
15
13.5~16.5
15
7
67
1
75
150
75
IS
C
VBSD1-S15-S5-DIP
VBSD1-S24-S3.3-DIP
24
21.6~26.4
3.3
30
303
1
75
150
76
VBSD1-S24-S5-DIP
24
21.6~26.4
5
20
200
1
75
150
73
VBSD1-S24-S9-DIP
24
21.6~26.4
9
12
111
1
75
150
78
VBSD1-S24-S12-DIP
24
21.6~26.4
12
9
83
1
75
150
78
24
21.6~26.4
15
7
67
1
75
150
79
24
21.6~26.4
24
4
42
1
75
150
78
D
VBSD1-S24-S15-DIP
VBSD1-S24-S24-DIP
Notes:
1. ripple and noise are measured at 20 MHz BW
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CUI Inc │ SERIES: VBSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
date 09/05/2012 │ page 2 of 5
PART NUMBER KEY
Base Number
Input Voltage
Output Voltage
Packaging Style
INPUT
operating input voltage
3.3 V model
5 V model
12 V model
15 V model
24 V model
min
OUTPUT
conditions/description
line regulation
for Vin change of 1%, 3.3 V model
for Vin change of 1%, all other models
load regulation
measured from 10% load to full load
3.3 V model
5 V model
9 V model
12 V model
15 V model
see derating curves
switching frequency
100% load, input voltage range
O
temperature coefficient
conditions/description
2.97
4.5
10.8
13.5
21.6
3.3
5
12
15
24
15
5.5
13.2
16.5
26.4
Vdc
Vdc
Vdc
Vdc
Vdc
min
typ
max
units
1.5
1.2
%
%
20
15
15
15
15
%
%
%
%
%
min
IS
C
short circuit protection
units
N
voltage accuracy
parameter
max
TI
parameter
PROTECTIONS
typ
U
conditions/description
N
parameter
ED
VBSD1 - SXX - SXX -DIP
15
12.8
8.3
6.8
6.3
100
kHz
±0.03
%/°C
typ
max
units
1
s
max
units
SAFETY AND COMPLIANCE
parameter
conditions/description
min
isolation voltage
for 1 minute at 1 mA max.
1,000
Vdc
isolation resistance
at 500 Vdc
1,000
MΩ
3,500,000
hours
MTBF
burn-in
full load at 85°C, 4 hours at no load and 4 hours at full load
RoHS compliant
yes
typ
D
ENVIRONMENTAL
parameter
conditions/description
min
typ
max
units
operating temperature
-40
85
°C
storage temperature
-55
125
°C
storage humidity
non-condensing
temperature rise
at full load
lead temperature
1.5 mm from case for 10 seconds
15
cui.com
95
%
25
°C
300
°C
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CUI Inc │ SERIES: VBSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
date 09/05/2012 │ page 3 of 5
DERATING CURVES
2. output voltage vs. output current
ED
1. output power vs. ambient temperature
+10%
Output Voltate (%)
Load (%)
100
80
60
40
-40
-20
0
20
40
60
85
100
+2.5%
Voltage
-2.5%
-7.5%
U
20
+5%
Nominal
120
50%
10%
100%
Output Current (%)
MECHANICAL
N
Ambient Temperature (°C)
parameter
conditions/description
dimensions
0.39 x 0.50 x 0.30 (10.00 x 12.70 x 7.70 mm)
case material
plastic (UL94-V0)
TI
weight
min
MECHANICAL DRAWING
N
units: mm [inches]
tolerance: ±0.25 [±0.010]
pin section tolerance: ±0.10 mm [±0.004]
Side View
IS
C
(0.1)
O
(0.5)
2.54
12.70
+0.15
0
7
5
1
4
PIN CONNECTIONS
Bottom View
1
4
5
D
7
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PIN
FUNCTION
1
GND
4
Vin
5
+Vo
7
0V
typ
max
units
inch
2.1
g
For more information, please visit the product page.
CUI Inc │ SERIES: VBSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
date 09/05/2012 │ page 4 of 5
APPLICATION NOTES
Requirement on Output Load
In order to ensure the product operates efficiently and reliably, make sure the specified range of input voltage is not exceeded and the
minimum output load is not less than 10% load. If the actual load is less than the specified minimum load, the output ripple may
increase sharply while its efficiency and reliability will reduce greatly. If the actual output power is very small, please add an
appropriate resistor as extra loading.
2.
Overload Protection
Under normal operating conditions, the output circuit of these products has no protection against over-current and short-circuits. The
simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit.
3.
Filtering
In some circuits which are sensitive to noise and ripple, a filtering capacitor may be added to the DC/DC output end and input end to
reduce the noise and ripple. However, the capacitance of the output filter capacitor must be proper. If the capacitance is too big, a
startup problem might arise. For every channel of output, provided the safe and reliable operation is ensured, the greatest
capacitance of its filter capacitor sees the external capacitor table. To get an extremely low ripple, an “LC” filtering network may be
connected to the input and output ends of the DC/DC converter, which may produce a more significant filtering effect. It should also
be noted that the inductance and the frequency of the “LC” filtering network should be staggered with the DC/DC frequency to avoid
mutual interference (Figure 1).
Figure 1
+Vo
DC DC
C
GND
TI
Output Voltage Regulation and Over-voltage Protection Circuit
The simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with overheat
protection that is connected to the input or output end in series (Figure 2).
Figure 2
Vin
+Vout
REG
DC DC
O
GND
Vin
0V
REG
+Vout
DC DC
GND
0V
External Capacitor Table
It is not recommended to connect any external capacitor in the application field with less than 0.5 W output.
IS
C
5.
C
0V
N
4.
L
N
L
Vin
U
ED
1.
Cout
(μF)
Vout
(Vdc)
Cout
(μF)
3.3/5
4.7
3.3
10
12
2.2
5
10
24
1
9
4.7
12
2.2
15
1
D
Table 1
Vin
(Vdc)
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CUI Inc │ SERIES: VBSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
date 09/05/2012 │ page 5 of 5
REVISION HISTORY
description
date
1.0
initial release
09/01/2009
1.01
new template applied
1.02
V-Infinity branding removed
ED
rev.
04/10/2012
09/05/2012
D
IS
C
O
N
TI
N
U
The revision history provided is for informational purposes only and is believed to be accurate.
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Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
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