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VYB20W-Q48-S24-T

型号：

VYB20W-Q48-S24-T

品牌：

CUI[ CUI INC ]

页数：

6 页

PDF大小：

435 K

下载PDF手册
For more information, please visit the product page.  
date 08/29/2012  
page 1 of 6  
SERIES: VYB20W-T │ DESCRIPTION: DC-DC CONVERTER  
FEATURES  
• chassis mount with screw terminal connectors  
• up to 20 W output  
• compact size  
• 4:1 input range (9 ~ 36 V, 18 ~ 75 V)  
• single and dual outputs  
• 1,500 V isolation  
• short circuit, over current, and over voltage protection  
• wide temperature operation (-40 ~ 85°C)  
• efficiency up to 88%  
RoHS  
input  
voltage  
range  
(Vdc)  
output  
voltage  
outpu
current  
ouput  
powr  
max  
(W)  
ripple1  
noise1  
efficiency  
MODEL  
min  
max  
(mA)  
max  
(mVp-p)  
max  
(mVp-p)  
typ  
(%)  
(Vdc)  
3.3  
5
(m
00  
400  
167  
33  
83  
VYB20W-Q24-S3-T  
VYB20W-Q24-S5-T  
VYB20W-Q24-S12-T  
VYB20W-Q24-S15-T  
VYB20W-Q24-S24-T  
VYB20W-Q24-D5-T  
VYB20W-Q24-D12-T  
VYB20W-Q24-D15-T  
VYB20W-Q48-S3-T  
VYB20W-Q48-S5-T  
VYB20W-Q48-S12-T  
VYB20W-Q48-S15-T  
VYB20W-Q48-S24-T  
VYB20W-Q48-D5-T  
VYB20W-Q48-D12T  
VYB20W-Q48-D1T  
9 ~ 36  
9 ~ 36  
9 ~ 36  
9 ~ 36  
9 ~ 36  
9 ~ 36  
9 ~ 36  
9 ~ 3
18 ~
8 ~ 7
18 ~ 75  
18 ~ 75  
18 ~ 75  
18 ~ 75  
18 ~ 75  
18 ~ 75  
5,000  
4,000  
667  
1,333  
834  
16.5  
20  
20  
20  
20  
20  
20  
20  
16.5  
20  
20  
20  
20  
20  
20  
20  
150  
150  
150  
150  
150  
50  
150  
150  
150  
150  
150  
100  
100  
100  
150  
150  
150  
150  
150  
100  
100  
100  
83  
86  
87  
88  
88  
84  
87  
87  
83  
87  
88  
88  
88  
84  
87  
88  
12  
15  
4  
±5  
±12  
±200  
±83  
±67  
500  
400  
167  
133  
83  
±2,000  
±833  
±667  
5,000  
4,000  
1,667  
1,333  
834  
50  
50  
150  
150  
150  
150  
150  
50  
2  
15  
24  
±5  
±12  
±15  
±200  
±83  
±67  
±2,000  
±833  
±667  
50  
50  
Notes:  
1. pple and ne are measureat 20 MHz BW with 10μF tantalum capacitor and 1μF ceramic capacitor across output  
PART NUMBER KEY  
VYB20W - QXX - X XX - X - T  
Base Number  
Output  
S = single output  
D = dual output  
Heatsink  
"blank" = No  
H = Yes  
Input Voltage  
Output Voltage  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VYB20W-T │ DESCRIPTION: DC-DC CONVERTER  
date 08/29/2012 │ page 2 of 6  
INPUT  
parameter  
conditions/description  
min  
typ  
max  
units  
9
18  
24  
48  
36  
75  
operating input voltage  
start-up time  
10  
dual output models  
dual output models  
power up 24 V input  
.0  
17.8  
V
Vdc  
power up 48 V input  
power down 24 V input  
power down 48 V input  
under voltage lockout  
7.8  
16.0  
all models  
module off  
0
3.5  
3.5  
.2  
2  
12  
Vdc  
Vdc  
Vdc  
Remote on/off1  
single output models module on (or open circuit)  
dual output models module on (or open circuit)  
single output models, LC  
dual output models, PI type  
filter  
Notes:  
1. The on/off pin voltage is referenced to GND  
OUTPUT  
parameter  
conditions/description  
measured from low line to high line  
measured from 10% to full load  
refer to recommended circuit  
25% step load charge  
min  
p  
±0.2  
±0.5  
±1  
max  
±0.5  
±1  
units  
%
line regulation  
load regulation  
%
voltage accuracy  
transient recovery time  
transient peak deviation  
±3  
%
200  
±3  
500  
±5  
μs  
25% rated load  
%
main utput 55%,  
supplemntal output from  
10~100% ad  
±5  
%
cross regulation  
dual output models  
single output models  
adjustability  
±10%  
400  
Vdc  
kHz  
switching frequency  
temperature coefficient  
100% load, input voltagrange  
±0.02  
%/°C  
PROTECTIONS  
parameter  
coditio
min  
typ  
max  
units  
short circuit protection  
hiccups, contutomatic recovery  
single output models input voltage range  
120  
120  
130  
140  
150  
150  
%
%
over current protection  
dual output models  
input voltage range  
single outpmodels 3.3 V  
3.9  
6.2  
15  
18  
28  
±6.1  
±15  
±18  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
Vdc  
5 V  
12 V  
15 V  
24 V  
over voltage prottion  
dual output models  
±5 V  
±12 V  
±15 V  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VYB20W-T │ DESCRIPTION: DC-DC CONVERTER  
date 08/29/2012 │ page 3 of 6  
SAFETY AND COMPLIANCE  
parameter  
conditions/description  
min  
typ  
max  
units  
isolation voltage  
isolation resistance  
tested for 1 minute at 1 mA max.  
at 500 Vdc  
1,500  
1,000  
input to output, 100 kHz / 0.1 V  
single output models  
dual output models  
isolation capacitance  
1,000  
2,000  
RoHS compliant  
MTBF  
yes  
M1L-HDBK-217F  
1,000,000  
hours  
ENVIRONMENTAL  
parameter  
conditions/description  
min  
typ  
max  
85  
units  
°C  
case operating temperature  
maximum case temperature  
storage temperature  
storage humidity  
-4
during operation  
105  
125  
95  
°C  
-55  
5
°C  
non-condensing  
%
temperature rise  
100% load  
40  
°C  
lead temperature  
1.5 mm from the case for 10 seconds  
300  
°C  
DERATING CURVES  
output power v. ambient tmperature  
single outpudels  
dual output models  
100  
80  
100  
80  
2
2
1
1
≤5V models  
60  
60  
40  
20  
40  
20  
0  
0
20  
30  
40  
50  
60  
70  
80  
-40  
0
20  
30  
40  
50  
60  
70  
80  
Ambient Temperature (°C)  
Ambient Temperature (°C)  
1
2
without heat sink  
with heatsink  
100  
80  
2
1
>5V mods  
40  
20  
-40  
0
20  
30  
40  
50  
60  
70  
80  
Ambient Temperature (°C)  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VYB20W-T │ DESCRIPTION: DC-DC CONVERTER  
date 08/29/2012 │ page 4 of 6  
MECHANICAL  
parameter  
conditions/description  
min  
typ  
max  
units  
dimensions  
2.17 x 2.06 x 0.75 inch (55.0 x 52.3 x 19.1mm)  
aluminum  
case material  
70  
85  
weight  
with heat sink  
MECHANICAL DRAWING  
54.99 2.16
20.32 0.80
0.010 (2 PLS)  
4.75 0.187  
(2 PLCS)  
3.51 0.138  
(2 PLCS)  
0.079 X 0.157  
R1.76 0.069  
(2 PLCS)  
[2.01 X 3.99]  
(2 PLCS)  
19.05 0.750  
34.93 1.375  
0.010  
.01 1.339  
.010  
52.32 2.060  
8
7
6
5
4
3
2
1
9.16 0.361  
0.010  
12.19 0.480  
5.31 0.209  
(5 PLCS)  
M3X4  
(5 PLCS)  
33.02 1.300  
0.010 (2 PLCS)  
5.21 0.205  
(2 PLCS)  
10.99 0.433  
0.010 (2 PLCS)  
1.00 0.039  
(TYP)  
52.99 2.086  
PIN CONNECTIONS  
Pin  
Single  
0V  
Trim  
+Vo  
No Pin  
Case  
Dual  
-Vo  
0V  
+Vo  
No Pin  
Case  
4.01 0.158  
0.010 (TYP)  
1
2
3
4
5
6
7
8
On/Off  
Vin  
On/Off  
Vin  
GND  
GND  
Unit inch[mm]  
TOLERANCE: ±±0±ꢀ± inchꢁe UNLEꢂꢂ OTHERWIꢂE ꢂPECIFIED  
ꢂcrꢁw tꢁrminale: Dꢁgeon Elꢁctronice tꢁrminal block part numbꢁr  
DG3±1-50±-±4P-1ꢀ or ꢁquivalꢁnt (4 pin, Mꢀ05 ecrꢁw) 50± mm epacing  
*DIN rail mounting kit availablꢁ (part # ꢂTK-DIN)  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VYB20W-T │ DESCRIPTION: DC-DC CONVERTER  
date 08/29/2012 │ page 5 of 6  
APPLICATION NOTES  
1. Requirement on Output Load  
In order to ensure the product operates efficiently and reliably, make sure the specified range of input voltage is not exc
minimum output load is not less than 10% load. If the actual load is less than the specified minimum load, the output
increase sharply while its efficiency and reliability will reduce greatly. If the actual output power is very small, please ad
appropriate resistor as extra loading.  
2. Recommended Circuit  
The VYB20W series has been tested according to the following recommended testing circuit. This series shod be teed under lod.  
(see Figure 1)  
Single Output  
Dual Output  
Vin  
+V o  
+Vo  
0V  
Vin  
Cin  
Cout  
Cout  
Cout  
Figure 1  
Cin  
0V  
DC  
DC  
DC C  
GND  
GND  
-Vo  
If you want to further decrease the input/output ripple, you can increase capacitancproperly ose capacitors with low ESR. If  
the capacitance is too big, a startup problem might arise. The maximum allwable cacitance to ensure safe and reliable operation is  
listed in Table 1.  
Single Vout  
(Vdc)  
Cout  
(μF)  
Cin  
(μF)  
al Vout  
dc)  
ut  
(μF)  
Cin  
(μF)  
3.3  
5
470  
220  
220  
00  
100  
100  
0  
100  
100  
--  
±5  
--  
--  
±220  
±100  
±100  
--  
100  
100  
100  
--  
Table 1  
12  
15  
24  
±12  
±15  
--  
3. Trim Application And Trim Resistance (Single Otput Mdels
Formula for trim resistance  
aR  
2
Vref  
Vo’-Vref  
-R  
3
up: R =  
a=  
a=  
R
R
1
2
R
2
-a  
Application circuit for TRIM(Part iroken line is the interior of models)  
+Vo  
+Vo  
aR1  
Vo’-Vref  
Vref  
down:  
-R3  
RT=  
R1-a  
R1  
Note: Value for R1, R2, R3, and Vref refer to the following table.  
RT: Trim resistance  
a: User-defined parameter, no actual meaning.  
Vo’: Trim up/down voltage.  
RT  
R1  
R3  
Vf  
R
Trim  
R3  
Vref  
R2  
Trim  
RT  
Vo  
3.3 (Vdc)  
5 (Vdc)  
12 (Vdc) 15 (Vdc) 24 (Vdc)  
Resistance  
R1 (KΩ)  
R2 (KΩ)  
R3 (KΩ)  
Vref (V)  
0V  
Trimdown  
p  
4.801  
2.863  
15  
2.883  
2.864  
10  
10.971  
2.864  
17.8  
14.497  
2.864  
17.8  
24.872  
2.864  
20  
1.24  
2.5  
2.5  
2.5  
2.5  
cui.com  
For more information, please visit the product page.  
CUI Inc │ SERIES: VYB20W-T │ DESCRIPTION: DC-DC CONVERTER  
date 08/29/2012 │ page 6 of 6  
REVISION HISTORY  
rev.  
description  
date  
1.0  
initial release  
08/08/2011  
08/29/012  
1.01  
V-Infinity branding removed  
The revision history provided is for informational purposes only and is believed to be accurate.  
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  
affect its safety or effectiveness.  
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