Datasheet

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date
09/05/2014
page
1 of 5
SERIES: VGDS2-SIP │ DESCRIPTION: DC-DC CONVERTER
FEATURES
•
•
•
•
•
•
•
2 W isolated output
industry standard 7 pin SIP package
dual unregulated outputs
6,000 Vdc isolation
short circuit protection
wide temperature (-40~105°C)
efficiency up to 84%
RoHS
MODEL
input
voltage
output
voltage
output
current
output
power
ripple
and noise1
efficiency
typ
(Vdc)
range
(Vdc)
(Vdc)
min
(mA)
max
(mA)
max
(W)
max
(mVp-p)
typ
(%)
VGDS2-S5-D5-SIP
5
4.5~5.5
±5
±20
±200
2
250
76
VGDS2-S5-D9-SIP
5
4.5~5.5
±9
±12
±111
2
250
78
VGDS2-S5-D12-SIP
5
4.5~5.5
±12
±9
±83
2
250
77
VGDS2-S5-D15-SIP
5
4.5~5.5
±15
±7
±67
2
250
78
VGDS2-S12-D5-SIP
12
10.8~13.2
±5
±20
±200
2
250
80
VGDS2-S12-D9-SIP
12
10.8~13.2
±9
±12
±111
2
250
84
VGDS2-S12-D12-SIP
12
10.8~13.2
±12
±9
±83
2
250
81
VGDS2-S12-D15-SIP
12
10.8~13.2
±15
±7
±67
2
250
84
VGDS2-S24-D5-SIP
24
21.6~26.4
±5
±20
±200
2
250
80
VGDS2-S24-D9-SIP
24
21.6~26.4
±9
±12
±111
2
250
77
VGDS2-S24-D12-SIP
24
21.6~26.4
±12
±9
±83
2
250
81
VGDS2-S24-D15-SIP
24
21.6~26.4
±15
±7
±67
2
250
82
Notes:
1. ripple and noise are measured at 20 MHz BW by “parallel cable” method with 1 μF ceramic and 10 μF electrolytic capacitors on the output.
PART NUMBER KEY
VGDS2 - SXX - DXX -SIP
Base Number
Input Voltage
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Output Voltage
Packaging Style
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CUI Inc │ SERIES: VGDS2-SIP │ DESCRIPTION: DC-DC CONVERTER
date 09/05/2014 │ page 2 of 5
INPUT
parameter
conditions/description
min
typ
max
units
operating input voltage
5 Vdc input models
12 Vdc input models
24 Vdc input models
4.5
10.8
21.6
5
12
24
5.5
13.2
26.4
Vdc
Vdc
Vdc
surge voltage
for maximum of 1 second
5 Vdc input models
12 Vdc input models
24 Vdc input models
-0.7
-0.7
-0.7
9
18
30
Vdc
Vdc
Vdc
filter
capacitance filter
OUTPUT
parameter
conditions/description
line regulation
for Vin change of 1%
load regulation
measured from 10% load to full load
voltage accuracy
see derating curves
voltage balance1
dual output, balanced loads
switching frequency
100% load, typical input
min
±0.5
5Vdc input models
12Vdc input models
24Vdc input models
temperature coefficient
Notes:
typ
±1
max
units
±1.2
%
15
%
%
60
80
80
kHz
kHz
kHz
±0.03
%/°C
1. Unbalanced loads should not exceed ±5%. If ±5% is exceeded, it may not meet all specifications.
PROTECTIONS
parameter
conditions/description
short circuit protection
continuous
min
typ
max
units
min
typ
max
units
SAFETY AND COMPLIANCE
parameter
conditions/description
isolation voltage
for 1 minute at 1 mA max.
6,000
Vdc
isolation resistance
at 500 Vdc
1,000
MΩ
MTBF
as per MIL-HDBK-217F @ 25°C
3,500,000
hours
RoHS
2011/65/EU
ENVIRONMENTAL
parameter
conditions/description
min
max
units
operating temperature
see derating curve
-40
105
°C
-55
125
°C
95
%
storage temperature
storage humidity
non-condensing
temperature rise
at full load
lead temperature
1.5 mm from case for 10 seconds
typ
25
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°C
300
°C
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CUI Inc │ SERIES: VGDS2-SIP │ DESCRIPTION: DC-DC CONVERTER
date 09/05/2014 │ page 3 of 5
DERATING CURVES
1. output power vs. ambient temperature
2. output voltage vs. output current
Output Voltage Accuracy (%)
10
Load (%)
100
80
60
Safe operating area
40
20
-40
-20
0
20
40
60
85
105
7.5
5
Typica
l
2.5
2.5
Line
Rated Output Voltage
-2.5
-2.5
-5
-7.5
-7.5
-10
10
120
Load
0
20
Ambient Temperature (°C)
30
40
50
60
70
Output Current Percentage (%)
(Nominal Input Voltage)
80
90
100
MECHANICAL
parameter
conditions/description
dimensions
19.5 x 9.80 x 12.5 (0.768 x 0.386 x 0.492 inch)
min
case material
plastic (UL94-V0)
typ
max
mm
weight
4.2
MECHANICAL DRAWING
units: mm[inch]
tolerance: ±0.25mm[±0.01 inch]
pin section tolerance: ±0.10mm[±0.004 inch]
First Angle Projection
(Side View)
RECOMMENDED FOO TPRINT
Top view,grid:2.54 mm(0.1inch)
diame ter:1.00mm(0.039inch)
4.10
[0.161 ]
12.50
[0.492]
19.50[0.768]
0.50
[0.020]
2.54
1 2
[0.100]
5 6 7
(Bo tto m View)
1 2
5 6 7
9.80
[0.386]
PIN CONNECTIONS
2.80
[0.110]
2.00[0.079]
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units
PIN
FUNCTION
1
+Vin
2
GND
5
-Vo
6
0V
7
+Vo
g
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CUI Inc │ SERIES: VGDS2-SIP │ DESCRIPTION: DC-DC CONVERTER
date 09/05/2014 │ page 4 of 5
APPLICATION NOTES
1. Requirement on output load
To ensure that this module can operate efficiently and reliably, a minimum load is specified in addition to a maximum load. During
operation, make sure that the specified range of input voltage is not exceeded and that the minimum output load is not less than 10%
of the full load. This product should never be operated under no load. If the output of the power supply is small, please connect a
resistor with proper resistance at the output end in parallel to increase the load.
2. Recommended testing and application circuit
If you want to further decrease the input/output ripple, an "LC" filtering network can be connected as per Figure 1.
GND
L
L
Vin
Cout
DC DC
Cin
L Cout
+Vo
0V
-Vo
Figure 1
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. However, the capacitance of the output filter capacitor must be correct. If the capacitance
is too large then a startup problem may arise. The maximum capacitance for each output is 100 µF. For every channel of output,
provided that safe and reliable operation is ensured, the recommended capacitance of its filter capacitor should be what is shown in
Table 1.
Vin
(Vdc)
Table 1
Cin
(µF)
Dual Vout
(Vdc)
Cout
(µF)
5
10
±5
4.7
12
4.7
±9
2.2
--
--
±12
1.0
24
2.2
±15/ ±24
0.47
It is not recommended to connect any external capacitor in the application field with less than a 0.5 W output.
3. 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 output end in series. (Figure 2)
Vin
GND
REG
REG
DC DC
+Vo
0V
REG
-Vo
Figure 2
4. Overload protection
Under normal operating conditions, the output circuit of these dc-dc converters has no protection against overload. The simplest
method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit.
Note:
1. Operation under minimum load will not damage the converter; however, they may not meet all specifications listed.
2. Max. capacitive load tested at input voltage range and full load.
3. All specifications measured at: Ta=25°C, humidity<75%, nominal input voltage and rated output load, unless otherwise specified.
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CUI Inc │ SERIES: VGDS2-SIP │ DESCRIPTION: DC-DC CONVERTER
date 09/05/2014 │ page 5 of 5
REVISION HISTORY
rev.
description
date
1.0
initial release
06/20/2006
1.01
new template applied, V-Infinity branding removed
09/10/2012
1.02
updated datasheet
09/05/2014
The revision history provided is for informational purposes only and is believed to be accurate.
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Fax 503.612.2383
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