Datasheet

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date
09/11/2012
page
1 of 5
SERIES: VWRBS3 │ DESCRIPTION: DC-DC CONVERTER
3 W isolated output
wide input (2:1)
industry standard 8 pin SIP package style
single unregulated outputs
1,500 V isolation
short circuit protection
wide temperature (-40~85°C)
efficiency up to 81%
U
•
•
•
•
•
•
•
•
ED
FEATURES
input
voltage
MODEL
output
voltage
N
RoHS
output
current
range
(Vdc)
(Vdc)
VWRBS3-D12-S5-SIP
12
9~18
5
VWRBS3-D12-S9-SIP
12
9~18
9
33
VWRBS3-D12-S12-SIP
12
9~18
12
25
ripple
and noise1
efficiency
min
(mA)
max
(mA)
max
(W)
typ
(mVp-p)
typ
(%)
60
600
1
100
74
333
1
100
76
250
1
100
78
TI
typ
(Vdc)
output
power
VWRBS3-D12-S15-SIP
12
9~18
15
20
200
1
100
80
VWRBS3-D24-S5-SIP
24
18~36
5
60
600
1
100
76
9
24
33
333
1
100
78
24
18~36
12
25
250
1
100
80
VWRBS3-D24-S15-SIP
24
18~36
15
20
200
1
100
81
1. ripple and noise are measured at 20 Hz BW
O
Notes:
18~36
N
VWRBS3-D24-S9-SIP
VWRBS3-D24-S12-SIP
IS
C
PART NUMBER KEY
Input Voltage
Output Voltage
D
Base Number
VWRBS3 - DXX - SXX -SIP
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Packaging Style
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CUI Inc │ SERIES: VWRBS3 │ 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
±0.75
U
short circuit protection
max
±1
±2
%
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
%
15
1.5 mm from case for 10 seconds
D
lead temperature
80
non-condensing
IS
C
temperature rise
conditions/description
O
parameter
N
isolation capacitance
RoHS compliant
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°C
300
°C
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CUI Inc │ SERIES: VWRBS3 │ 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
0.866 x 0.374 x 0.472 (22.00 x 9.50 x 12.00 mm)
case material
Plastic (UL94-V0)
typ
N
parameter
weight
units: mm (inches)
tolerance: ±0.25 (±0.010)
pin section tolerance: ±0.10 mm (±0.004)
6
TI
MECHANICAL DRAWING
max
N
O
1 2 3
5 6 7 8
IS
C
2.50
First Angle Projection
5
PIN CONNECTIONS
4.10
(Side View)
D
0.50
3
(Bottom View)
22.00 (0.866)
12.00
RECOMMENDED FOOTPRINT
Top view,grid:2.54mm(0.1inch)
diameter:1.00mm(0.039inch)
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PIN
FUNCTION
1
-Vin
2
+Vin
3
CTRL
5
NC
6
+Vo
7
-Vo
8
CS
units
inch
g
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CUI Inc │ SERIES: VWRBS3 │ DESCRIPTION: DC-DC CONVERTER
date 09/11/2012 │ page 4 of 5
APPLICATION NOTES
Vout
5V
CS
12V
47uF-100uF
15V
24V
10uF-47uF
Vout
Cout/μF (max)
5V
1000
9V
680
12 V
470
15 V
330
N
External Capacitor Table (Table 2)
NCs 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
RECOMMENDED CIRCUIT (Figure 1)
Ic
Vc
TI
1.
9V
U
CS Capacitor Table (Table 1)
ED
-All of the VWRBS3 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 2).
R=
3
R
Vi n
Vc-VD-1.0
Ic
2
6
+ Vo
N
Lin
8
Cin
Cout
Cs
1
GND
7
0V
CTRL Terminal
When open or high impedance, the converter will work well; When this pin is ‘high’; the converter will shutdown; It should be noted
that the input current should remain between 5-10mA, exceeding the maximum 20mA will cause permanent damage to the converter.
IS
C
3.
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)
D
Figure 2
4.
Input Current(A)
2.
O
CS Pin-By connecting a low ESR capacitor between this terminal and the pin-7 (Figure 1). the output ripple and noise may be further
improved. Generally, the capacitance is no greater than 47uF.
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.
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CUI Inc │ SERIES: VWRBS3 │ DESCRIPTION: DC-DC CONVERTER
date 09/11/2012 │ page 5 of 5
REVISION HISTORY
description
date
07/27/2007
1.0
initial release
1.01
updated to new template
1.02
new template applied, V-Infinity branding removed
ED
rev.
05/27/2009
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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