Datasheet

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date
07/11/2013
page
1 of 5
SERIES: VIFSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
FEATURES
•
•
•
•
•
•
•
•
•
•
•
isolated 1 W output
regulated
single voltage output
small footprint
industry standard pinout
UL94-V0 package
no heatsink required
3,000 Vdc isolation
temperature range: -40°C~+85°C
no external component required
high efficiency up to 73%
RoHS
input
voltage
MODEL
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
(%)
VIFSD1-S5-S5-DIP
5
4.75 ~ 5.25
5
15
150
1
15
69
VIFSD1-S5-S9-DIP
5
4.75 ~ 5.25
9
12
111
1
15
70
VIFSD1-S5-S12-DIP
5
4.75 ~ 5.25
12
9
83
1
15
71
VIFSD1-S5-S15-DIP
5
4.75 ~ 5.25
15
7
67
1
15
72
VIFSD1-S12-S5-DIP
12
11.4 ~ 12.6
5
15
150
1
15
69
VIFSD1-S12-S9-DIP
12
11.4 ~ 12.6
9
12
111
1
15
71
VIFSD1-S12-S12-DIP
12
11.4 ~ 12.6
12
9
83
1
15
72
VIFSD1-S12-S15-DIP
12
11.4 ~ 12.6
15
7
67
1
15
72
VIFSD1-S24-S5-DIP
24
22.8 ~ 25.2
5
15
150
1
15
70
VIFSD1-S24-S9-DIP
24
22.8 ~ 25.2
9
12
111
1
15
72
VIFSD1-S24-S12-DIP
24
22.8 ~ 25.2
12
9
83
1
15
73
VIFSD1-S24-S15-DIP
24
22.8 ~ 25.2
15
7
67
1
15
73
Notes:
1. Ripple and noise are measured at 20 MHz BW with 220 μF aluminum capacitor accross the input. Add 470 μF aluminum, 1 μF ceramic, 10 μF tantalum capacitors across
output.
PART NUMBER KEY
VIFSD1 -SXX -SXX -DIP
Base Number
Input Voltage
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Output Voltage
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CUI Inc │ SERIES: VIFSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
date 07/11/2013 │ page 2 of 5
INPUT
parameter
conditions/description
min
typ
max
units
operating input voltage
5 V model
12 V model
24 V model
4.75
11.4
22.8
5
12
24
5.75
12.6
25.2
Vdc
Vdc
Vdc
no load power consumption
10% nominal power (typical)
min
typ
max
units
0.25
%
OUTPUT
parameter
conditions/description
line regulation
For Vin change of 1%, full load
load regulation
10% to 100% full load
voltage accuracy
100% full load
switching frequency
100% load, nominal input
1
%
±3
%
100
temperature coefficient
kHz
0.03
%/°C
max
units
PROTECTIONS
parameter
conditions/description
short circuit protection
continuous, automatic recovery
min
typ
1
s
SAFETY AND COMPLIANCE
parameter
conditions/description
isolation voltage
tested for 1 minute
3,000
min
Vdc
isolation resistance
at 500 Vdc
1,000
MΩ
RoHS compliant
yes
3,500,000
hrs
MTBF
typ
max
units
ENVIRONMENTAL
parameter
conditions/description
min
case operating temperature
storage temperature
storage humidity
non-condensing
temperature rise
100% load
lead temperature
1.5 mm from the case for 10 seconds
typ
max
units
-40
85
°C
-55
125
°C
95
%
25
°C
300
°C
15
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CUI Inc │ SERIES: VIFSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
date 07/11/2013 │ page 3 of 5
DERATING CURVES
Load (%)
100
80
60
40
20
-40
-20
0
20
40
60 71 80
100
120
Ambient Temperature (°C)
MECHANICAL
parameter
conditions/description
min
dimensions
20.4 x 10.00 x 7.0 (0.77 x 0.39 x 0.27 inch)
case material
Plastic (UL94-V0)
typ
2.1
MECHANICAL DRAWING
units: mm
Side View
Layout
7
1
14
9
PIN CONNECTIONS
7
1
14
9
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units
mm
weight
Bottom View
max
PIN
FUNCTION
1
-Vin
7
NC
9
+Vo
11
-Vo
14
+Vin
g
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CUI Inc │ SERIES: VIFSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
date 07/11/2013 │ page 4 of 5
APPLICATION NOTES
1.
Input filtering
To reduce the reflected ripple current and minimize EMI, especially when the converter input is more than 2” away from the DC
source, it is recommended to connect a low ESR electrolytic capacitor between Vin and Gnd. The values suggested are as shown in
Table 1. If additional filtering is required, the capacitance may be increased, or expanded to an LC network as shown in Figure 1.
Table 1
2.
Input Voltage
(Vdc)
External Input Capacitance
(μF)
5V
4.7
12 V
2.2
24 V
1.0
Recommended Circuit
The VIFSD1-DIP series has been tested according to the following recommended testing circuit. This series should be tested under
load. (see Figure 1)
L
L
Figure 1
+Vout
+Vin
DC DC
C
-Vin
3.
C
-Vout
Output filtering
An output capacitor as shown in Table 2 may be used to reduce output ripples and noise. requirements as shown in Table 2. Output
capacitance may be increased for additional filtering, but should not exeed 10μF. It can also be expanded to an LC network as in
Figure 1.
Table 2
Vout
(Vdc)
External Output
Capacitance
(μF)
5 V
10
9 V
4.7
12 V
2.2
15 V
1.0
4.
Minimum loading
The converter needs a minimum of 10% loading to maintain output regulation. Operation under no-load conditions will not cause
immediate damages but may reduce reliability, and cause performance not to meet specifications.
5.
Protection
The converter has minimal protection against input over-voltage or output over-load, and may be permanently damaged if exposed to
these conditions. An input clamping device can be used for input voltage limiting. An input fuse or an output fuse can also be used to
protect against over-loading.
6.
Unregulated input
As fixed input converters, this series can accept voltages within a limited range of the nominal input. Otherwise the converter may not
function properly or may be damaged. An optional regulator can be used at the input to bring voltage within regulation, as shown in
Figure 2.
Figure 2
+Vin
+Vout
REG
DC DC
-Vin
7.
Note:
-Vout
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.
When the environment temperature is higher than 70°C, the product output power should be less then 60% of the rated power.
All specifications measured at 25°C, humidity <75%, nominal input voltage, and full load unless otherwise noted.
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CUI Inc │ SERIES: VIFSD1-DIP │ DESCRIPTION: DC-DC CONVERTER
date 07/11/2013 │ page 5 of 5
REVISION HISTORY
rev.
description
date
1.0
initial release
01/01/2006
1.01
new template applied
07/13/2011
1.02
V-Infinity branding removed
09/04/2012
updated spec
07/11/2013
1.03
The revision history provided is for informational purposes only and is believed to be accurate.
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20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
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[email protected]
CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website.
CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is
assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use.
CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical
component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to
affect its safety or effectiveness.
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