Datasheet

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date
09/11/2012
page
1 of 5
SERIES: VWRBT3 │ DESCRIPTION: DC-DC CONVERTER
3 W isolated output
wide input (2:1)
industry standard 16 pin SIP package style
single unregulated outputs
1,500 V isolation
short circuit protection
wide temperature (-40~85°C)
efficiency up to 81%
U
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•
•
•
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ED
FEATURES
input
voltage
MODEL
typ
(Vdc)
range
(Vdc)
(Vdc)
12
9~18
3.3
output
current
output
power
ripple
and noise1
efficiency
min
(mA)
max
(mA)
max
(W)
max
(mVp-p)
typ
(%)
83
833
3
75
72
TI
VWRBT3-D12-S3.3-SMT
output
voltage
N
RoHS
VWRBT3-D12-S5-SMT
12
9~18
5
60
600
3
75
74
VWRBT3-D12-S12-SMT
12
9~18
12
25
250
3
75
78
VWRBT3-D12-S15-SMT
12
9~18
15
20
200
3
75
80
VWRBT3-D24-S3.3-SMT
24
18~36
3.3
83
833
3
75
72
5
24
24
18~36
VWRBT3-D24-S15-SMT
24
VWRBT3-D48-S3.3-SMT
48
VWRBT3-D48-S15-SMT
600
3
75
74
25
250
3
75
78
18~36
15
20
200
3
75
80
36~72
3.3
83
833
3
75
72
48
36~72
5
60
600
3
75
74
48
36~72
12
25
250
3
75
78
48
36~72
15
20
200
3
75
80
1. ripple and noise are measured at 20 Hz BW
IS
C
Notes:
60
12
O
VWRBT3-D48-S5-SMT
VWRBT3-D48-S12-SMT
18~36
N
VWRBT3-D24-S5-SMT
VWRBT3-D24-S12-SMT
D
PART NUMBER KEY
Base Number
VWRBT3 - DXX - SXX -SMT
Input Voltage
Output Voltage
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Packaging Style
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CUI Inc │ SERIES: VWRBT3 │ DESCRIPTION: DC-DC CONVERTER
date 09/11/2012 │ page 2 of 5
INPUT
conditions/description
min
typ
max
units
operating input voltage
12 V model
24 V model
9.0
18.0
12
24
18.0
36.0
Vdc
Vdc
parameter
conditions/description
min
voltage accuracy
positive
negative
line regulation
measured from low line to high line
load regulation
measured from 10% to 100% full load
switching frequency
100% load, nominal input voltage
OUTPUT
refer to recommended circuit
continuous, automatic recovery
SAFETY AND COMPLIANCE
units
±3
±5
%
%
±0.2
±0.5
%
±0.5
±1.0
U
short circuit protection
max
±1
±3
%
kHz
±0.03
%/°C
min
typ
max
units
min
typ
max
units
N
PROTECTIONS
conditions/description
typ
300
temperature coefficient
parameter
ED
parameter
conditions/description
isolation voltage
tested for 1 minute at 1 mA max.
1,500
Vdc
insulation resistance
at 500 Vdc
1,000
MΩ
TI
parameter
100 kHz, 1V
yes
MTBF
MIL-HDBK-217F, 25°C
ENVIRONMENTAL
operating temperature
storage temperature
storage humidity
at full load
pF
1,000,000
min
hours
typ
max
units
-40
85
°C
-50
125
°C
95
%
245
°C
15
for 10 seconds
D
lead temperature
85
non-condensing
IS
C
temperature rise
conditions/description
O
parameter
N
isolation capacitance
RoHS compliant
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°C
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CUI Inc │ SERIES: VWRBT3 │ DESCRIPTION: DC-DC CONVERTER
date 09/11/2012 │ page 3 of 5
DERATING CURVE
ED
Load (%)
100
80
60
40
20
-40
-20
0
20
40
60 71
85
100
120
Ambient Temperature (°C)
U
MECHANICAL
conditions/description
min
dimensions
0.939 x 0.713 x 0.315 (23.86 x 18.10 x 8.00 mm)
case material
Plastic (UL94-V0)
weight
23.86[0.939]
D
g
10 9
16
7
8
7
A
2.54[0.100]
18.10 [0.713]
(Top View)
18.10 [0.713]
6
1
13.70 [0.539]
10 9
A
inch
8
2.54[0.100]
IS
C
15.24[0.600]
1
units
2.10[0.083]
0.50 [0.020]
O
1.02 [0.040]
2.54[0.100]
N
8.00
[0.315]
(Side View)
17.22 [0.678]
7.50
[0.295]
units: mm [inches]
tolerance: ±0.25 [±0.010]
pin section tolerance: ±0.10 mm [±0.004]
16
max
TI
MECHANICAL DRAWING
3.04[0.120]
typ
N
parameter
1.00[0.039]
PIN CONNECTIONS
0.25[0.010]
5 max
1.40±0.20
[0.055±0.008]
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PIN
FUNCTION
1
-Vin
7
NC
8
NC
9
+Vo
10
0V
16
+Vin
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CUI Inc │ SERIES: VWRBT3 │ DESCRIPTION: DC-DC CONVERTER
date 09/11/2012 │ page 4 of 5
APPLICATION NOTES
+Vout
Vin
Ci n
DC
DC
0V
GND
N
Recommended circuit
It is best to test with full load and not to test without load. To further reduce output ripple, you may increase the external capacitor,
choose a capacitor with low ESR, or add external inductor to the circuit as shown above.
TI
General:
Cin: 12V 100μF
24V & 48V 10μF to 47μF
Cout:see Table 2
Vout
Cout/μF (max)
5V
1000
9V
680
12 V
470
15 V
330
N
Table 1
Input current
Nominal input voltage range. The input current of the power supply must be sufficient to the startup current (Ip) of the DC/DC module. (Figure 2)
IS
C
Figure 2
3.
Input Current(A)
O
2.
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Figure 1
1.
ED
-All of the VWRBT3-SMT Series have been tested according to the following recommended testing circuit before leaving the factory.
This series should be tested under load (Figure 1). If you want to further decrease the input/output ripple, you can increase
capacitance properly or choose capacitors with low ESR. However, the capacitance should not be too high(Table 1).
Ip
Input Voltage
Range
Input Voltage (V)
Output Load
In order to ensure the product operates efficiently and reliably, make sure the specified range of input voltage is not exceeded.
No parallel connection or plug and play.
NC Terminals
Unless otherwise specified, NC terminals of all series are used for converter's interior circuit connection, and are not allowed connection of any external circuit.
D
4.
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CUI Inc │ SERIES: VWRBT3 │ DESCRIPTION: DC-DC CONVERTER
date 09/11/2012 │ page 5 of 5
REVISION HISTORY
description
date
1.0
initial release
05/06/2010
1.01
new template applied, V-Infinity branding removed
ED
rev.
09/11/2012
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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20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
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[email protected]
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