1. Ripple and noise are measured at 20 MHz BW with 10μF tantalum capacitor and 1μF ceramic capacitor across output
2. PWM mode, others PFM mode
PART NUMBER KEY
VYB10W - QXX -
X XX
-
X
D
Base Number
Output
S = single output
D = dual output
Input Voltage
Output Voltage
cui.com
ED
ripple
1
noise
1
efficiency
typ
(%)
max
(mVp-p)
max
(mVp-p)
50
50
50
50
50
50
50
50
50
50
50
50
50
50
150
150
150
150
150
150
150
150
150
150
150
150
150
150
76
79
81
82
80
82
83
77
78
82
83
78
82
83
Remote On/Off
"blank" = No
A = Yes
For more information, please visit the
product page.
CUI Inc
│
SERIES:
VYB10W
│
DESCRIPTION:
DC-DC CONVERTER
date
08/29/2012
│
page
2 of 5
INPUT
parameter
operating input voltage
start up time
fi
lter
nominal imput, full load
PI type
conditions/description
min
9
18
typ
24
48
180
max
36
72
units
Vdc
Vdc
ms
OUTPUT
parameter
line regulation
load regulation
voltage accuracy
transient recovery time
transient peak deviation
cross regulation
switching frequency
temperature coefficient
Notes:
1. Dual output models unbalanced load: ±5%
conditions/description
measured from low line to high line
measured from 10% to full load
positive, refer to recommended circuit
negative, refer to recommended circuit
25% load step change (PWM type)
25% load step change (PFM type)
min
N
U
200
10
±3
300
min
typ
min
typ
1,500
1,000
1,000,000
1,000
min
-40
-55
40
typ
main output 55% supplemental output from 10-100%
100% load, input voltage range
PROTECTIONS
parameter
short circuit protection
conditions/description
N
TI
cui.com
continuous, automatic recovery
SAFETY AND COMPLIANCE
parameter
isolation voltage
isolation resistance
isolation capacitance
RoHS compliant
MTBF
conditions/description
at 500 Vdc
tested for 1 minute at 1 mA max.
O
input to output, 100 kHz / 1 V
yes
IS
C
ENVIRONMENTAL
parameter
conditions/description
during operation
non-condensing
case operating temperature
storage temperature
storage humidity
temperature rise
maximum case temperature
100% load
lead temperature
1.5 mm from the case for 10 seconds
D
ED
typ
max
±1
1
±3
±5
units
%
%
%
%
±0.2
±1
±3
±0.5
±0.5
500
20
±5
±5
±0.03
ms
ms
%
%
kHz
%/°C
max
units
max
units
Vdc
MΩ
pF
hours
max
85
105
105
95
300
units
°C
°C
°C
%
°C
°C
For more information, please visit the
product page.
CUI Inc
│
SERIES:
VYB10W
│
DESCRIPTION:
DC-DC CONVERTER
date
08/29/2012
│
page
3 of 5
DERATING CURVES
100
80
60
40
20
-40
-20
0
20
40
60
80
100
120
MECHANICAL
parameter
dimensions
case material
weight
conditions/description
aluminum
N
U
min
typ
23.5
7.62 [0.300]
6
1
5.08 [0.200]
2
2.54 [0.100]
20.32 [0.800]
2
3
4
5
6*
Vin
+ Vo
No P in
0V
No Pin*
Ambient Temperature (°C)
2.00 x 1.00 x 0.44 inch (50.8 x 25.4 x 11.2 mm)
MECHANICAL DRAWING
N
TI
11.20 0.441
1.00 0.039
(6 PLCS)
10.16 0.400
3
4
25.40 1.000
5
10.16 0.400
RECOMMENDED FOOTPRINT (TOP VIEW)
∅
1.20 [0.047]
O
4
3
50.80 2.000
20.32 0.800
IS
C
5.08 0.200
2
1
6
7.62 0.300
Pin section tolerances:±0.10m m[±0.004inch]
General tolerances:±0.25m m [±0.010inch]
BOTTOM VIEW
D
PIN CONNECTIONS
Pin
S ingle
Dual
GND
GND
1
Vin
+ Vo
0V
-Vo
No Pin*
*Pin 6 added for optional Remote on/off
cui.com
20.32 [0.800]
5
2.54 [0.100]
4.10 0.161
(6 PLCS)
ED
max
units
g
Load (%)
For more information, please visit the
product page.
CUI Inc
│
SERIES:
VYB10W
│
DESCRIPTION:
DC-DC CONVERTER
date
08/29/2012
│
page
4 of 5
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 exceeded and the
minimum output load is not less than 10% load. If the actual load is less than the specified minimum load, the output ripple may
increase sharply while its efficiency and reliability will reduce greatly. If the actual output power is very small, please add an
appropriate resistor as extra loading.
Recommended Circuit
The VYB10W series has been tested according to the following recommended testing circuit. This series should be tested under load.
(see Figure 1)
Single Output
Vc
D1 Ic R
6
2
3
2.
Dual Output
Vc
+
Vo
Cout
5
D1 Ic R
2
6
Cin
GND
1
DC/DC
0V
If you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low ESR. If
the capacitance is too big, a startup problem might arise. The maximum allowable capacitance to ensure safe and reliable operation is
listed in Table 1.
General:
Cin: 10 ~ 47
μF
Cout: 10
μF
/ 100 mA
Single Vout
(Vdc)
3.3
5
Cout
(μF)
Dual Vout
(Vdc)
--
±5
±12
±15
Cout
(μF)
--
680
330
220
N
TI
Table 1
R=
V
C
- V
D
- 1.0
I
C
cui.com
3.
Remote On/Off
When open or high impedance,the converter will be on; When this pin is ‘high’; the converter will shutdown; It should be noted that
the input current (Ic) should between 5 ~ 10 mA, exceeding the maximum 20 mA will cause permanent damage to the converter.
The value of R Can be derived as follows :
4.
Input Current
When using an unstable power source, please ensure the output voltage and ripple voltage do not excced indexes of the converter.
The preceding power source must be able to provide for converter sufficient starting current Ip.
General: Ip
≤1.6*Iin-max
D
IS
C
5.
No parallel connection or plug and play
O
N
U
Cin
DC/DC
Cout
4
Figure 1
Vin
Vin
GND
1
12
15
ED
3
+
Vo
0V
Cout
5
-Vo
2,200
1,000
470
330
For more information, please visit the
product page.
CUI Inc
│
SERIES:
VYB10W
│
DESCRIPTION:
DC-DC CONVERTER
date
08/29/2012
│
page
5 of 5
REVISION HISTORY
rev.
1.0
1.01
description
initial release
V-Infinity branding removed
date
The revision history provided is for informational purposes only and is believed to be accurate.
D
IS
C
O
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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