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VHK50W-Q48-S5

P1-P3P4-P6P7-P9
cui.com
CUI Inc │ SERIES: VHK50W │ DESCRIPTION: DC-DC CONVERTER date 12/17/2013 │ page 7 of 9
EMC RECOMMENDED CIRCUITS
(
CONTINUED
)
Table 3
Class B Recommended Components
Model C1
2
C2
2
C3
2
C4
1
C5
1
C6
1
L1 L2 Co min.
VHK50W-Q24-S3R3
100 F/50 V 100 F/50 V 100 F/50 V 3300 pF/2 kV NC NC 0.65 mH 1.5 HNC
VHK50W-Q24-S5
100 F/50 V 100 F/50 V 100 F/50 V 2200 pF/2 kV NC NC 0.65 mH 1.5 HNC
VHK50W-Q24-S12
100 F/50 V 100 F/50 V 100 F/50 V 3300 pF/2 kV NC NC 0.65 mH 1.5 HNC
VHK50W-Q24-S15
100 F/50 V 100 F/50 V 100 F/50 V 2200 pF/2 kV NC NC 0.65 mH 1.5 HNC
VHK50W-Q24-S24
10 F/50 V
1
100 F/50 V 100 F/50 V 2200 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV 1.5 mH 3.4 HNC
VHK50W-Q24-S28 100 F/50 V 100 F/50 V NC NC 1000 pF/2 kV NC 0.12 mH 0.34 mH NC
VHK50W-Q24-S48 10 F/50 V
1
100 F/50 V 100 F/50 V 4700 pF/2 kV 2200 pF/2 kV 1000 pF/2 kV 1.5 mH 3.4 H 47 F
VHK50W-Q48-S3R3 47 F/100 V 47 F/100 V 47 F/100 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV 1.5 mH 3.4 HNC
VHK50W-Q48-S5 47 F/100 V 47 F/100 V 47 F/100 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV 1.5 mH 3.4 HNC
VHK50W-Q48-S12 47 F/100 V 47 F/100 V 47 F/100 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV 1.5 mH 3.4 HNC
VHK50W-Q48-S15 47 F/100 V 47 F/100 V 47 F/100 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV 1.5 mH 3.4 HNC
VHK50W-Q48-S24 47 F/100 V 47 F/100 V 47 F/100 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV 1.5 mH 3.4 HNC
VHK50W-Q48-S28 100 F/100 V 100 F/100 V NC NC 1000 pF/2 kV NC 0.12 mH 0.34 mH NC
VHK50W-Q48-S48
47 F/100 V 47 F/100 V 47 F/100 V 4700 pF/2 kV 2200 pF/2 kV 1000 pF/2 kV 1.5 mH 3.4 H 47 F
Note: 1. Ceramic capacitors
2. Aluminum capacitors
EN55022 CLASS B
For more information, please visit the product page.
cui.com
CUI Inc │ SERIES: VHK50W │ DESCRIPTION: DC-DC CONVERTER date 12/17/2013 │ page 8 of 9
APPLICATION NOTES
1. Output Voltage Trimming
Leave open if not used.
Table 4
Vout
(Vdc)
R1
(K)
R2
(K)
R3
(K)
Vr
(V)
Vf
(V)
3.3 3 12 18 1.24 0.46
5 2.32 8.2 0 2.5 0
12 9.1 51 18 2.5 0.46
15 12 82 18 2.5 0.46
24 20 100 20 2.5 0.46
28 23.7 150 16 2.5 0.46
48 36 270 14 2.5 0.46
+Vin
R trim-up
R-Load
Trim
+Vo
+Sense
+Sense
-Sense
-Sense
-Vin
-Vo
Trim up
+Vin
-Vin
-Vo
+Vo
R trim-down
R-Load
Trim
Trim down
R1(Vr - Vf ( ))
Rtrim - up = ( ) - (KΩ)
R
trim - down = - R2 (KΩ)
Vo - Vo, nom
R2
R2 + R3
R2 + R3
R2R3
R1(Vo - Vr)
Vo, nom - Vo
Note: R
trim-up
is the external resistor in K
R
trim-down
is the external resistor in K
V
O, nom
is the nominal output voltage
V
O
is the desired output voltage
R1, R2, R3, and Vr are internal (see Table 4).
Figure 7
Formula for Trim ResistorApplication Circuit for Trim pin
Note: 1. All specifi cations are measured at Ta=25°C, nominal input voltage and full output load unless otherwise specifi ed.
For more information, please visit the product page.
CUI Inc │ SERIES: VHK50W │ DESCRIPTION: DC-DC CONVERTER date 12/17/2013 │ page 9 of 9
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.
Headquarters
20050 SW 112th Ave.
Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
cui.com
techsupport@cui.com
rev. description date
1.0 initial release 10/11/2006
1.01 new template applied 12/21/2011
1.02 misc. updates and corrections 03/13/2012
1.03 updated mechanical drawing 03/27/2012
1.04 V-Infi nity branding removed 06/27/2012
1.05 updated spec 03/14/2013
1.06 added trimming and EMI information 12/17/2013
The revision history provided is for informational purposes only and is believed to be accurate.
REVISION HISTORY
For more information, please visit the product page.
P1-P3P4-P6P7-P9

VHK50W-Q48-S5

Mfr. #:
Buy VHK50W-Q48-S5
Manufacturer:
Description:
Isolated DC/DC Converters dc-dc isolated, 50 W, 18 75 Vdc input, 5 Vdc, 10 A, single output, chassis mount
Lifecycle:
New from this manufacturer.
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