-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).
Vin
Ci n
+Vout
DC
DC
0V
GND
Figure 1
1.
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.
General:
Cin: 12V 100μF
24V & 48V 10μF to 47μF
Cout:see Table 2
Vout
5V
Table 1
9V
12 V
15 V
2.
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 mod-
ule. (Figure 2)
Input Current(A)
IS
C
3.
No parallel connection or plug and play.
4.
Output Load
In order to ensure the product operates efficiently and reliably, make sure the specified range of input voltage is not exceeded.
D
NC Terminals
Unless otherwise specified, NC terminals of all series are used for converter's interior circuit connection, and are not allowed connec-
tion of any external circuit.
O
N
Ip
Figure 2
TI
Cout/μF (max)
1000
680
470
330
Input Voltage
Range
Input Voltage (V)
cui.com
N
U
ED
For more information, please visit the
product page.
CUI Inc
│
SERIES:
VWRBT3
│
DESCRIPTION:
DC-DC CONVERTER
date
09/11/2012
│
page
5 of 5
REVISION HISTORY
rev.
1.0
1.01
description
initial release
new template applied, V-Infinity branding removed
date
The revision history provided is for informational purposes only and is believed to be accurate.
D
IS
C
O
N
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
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
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