Additional Resources:
Product Page
date
08/29/2012
page
1 of 5
SERIES: VYB10W │ DESCRIPTION: DC-DC CONVERTER
8 ~ 10 W output
industry standard pinout
4:1 input range (9 ~ 36 V, 18 ~ 72 V)
single and dual outputs
1,500 V isolation
short circuit protection
wide temperature operation (-40 ~ 85°C)
efficiency up to 83%
U
•
•
•
•
•
•
•
•
ED
FEATURES
input
voltage
output
voltage
range
(Vdc)
(Vdc)
min
(mA)
3.3
VYB10W-Q24-S32
9 ~ 36
VYB10W-Q24-S5
9 ~ 36
VYB10W-Q24-S12
9 ~ 36
9 ~ 36
9 ~ 36
output
power
ripple1
noise1
efficiency
max
(mA)
max
(W)
max
(mVp-p)
max
(mVp-p)
typ
(%)
240
2,400
8
50
150
76
5
200
2,000
10
50
150
79
12
83
833
10
50
150
81
15
67
666
10
50
150
82
±5
±100
±1,000
10
50
150
80
N
VYB10W-Q24-S15
VYB10W-Q24-D5
output
current
TI
MODEL
N
RoHS
9 ~ 36
±12
±42
±416
10
50
150
82
9 ~ 36
±15
±33
±333
10
50
150
83
2
VYB10W-Q48-S3
18 ~ 72
3.3
240
2,400
8
50
150
77
VYB10W-Q48-S52
18 ~ 72
5
200
2,000
10
50
150
78
VYB10W-Q48-S12
VYB10W-Q48-S15
VYB10W-Q48-D52
18 ~ 72
12
83
833
10
50
150
82
18 ~ 72
15
67
666
10
50
150
83
18 ~ 72
±5
±100
±1,000
10
50
150
78
18 ~ 72
±12
±42
±416
10
50
150
82
18 ~ 72
±15
±33
±333
10
50
150
83
IS
C
VYB10W-Q48-D12
O
VYB10W-Q24-D12
VYB10W-Q24-D15
VYB10W-Q48-D15
Notes:
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
D
PART NUMBER KEY
VYB10W - QXX - X XX - X
Output
S = single output
D = dual output
Base Number
Input Voltage
Output Voltage
cui.com
Remote On/Off
"blank" = No
A = Yes
Additional Resources:
Product Page
CUI Inc │ SERIES: VYB10W │ DESCRIPTION: DC-DC CONVERTER
date 08/29/2012 │ page 2 of 5
INPUT
conditions/description
operating input voltage
start up time
nominal imput, full load
filter
PI type
min
typ
max
units
9
18
24
48
36
72
Vdc
Vdc
180
OUTPUT
min
line regulation
measured from low line to high line
load regulation
measured from 10% to full load
voltage accuracy
positive, refer to recommended circuit
negative, refer to recommended circuit
transient recovery time
25% load step change (PWM type)
25% load step change (PFM type)
transient peak deviation
cross regulation
main output 55% supplemental output from 10-100%
switching frequency
100% load, input voltage range
1. Dual output models unbalanced load: ±5%
PROTECTIONS
TI
temperature coefficient
Notes:
conditions/description
short circuit protection
continuous, automatic recovery
N
parameter
typ
max
±0.2
±0.5
%
±0.5
±11
%
±1
±3
±3
±5
%
%
200
10
500
20
ms
ms
±3
±5
%
U
conditions/description
N
parameter
ms
ED
parameter
±5
300
units
%
kHz
±0.03
%/°C
min
typ
max
units
min
typ
max
units
SAFETY AND COMPLIANCE
conditions/description
isolation voltage
tested for 1 minute at 1 mA max.
1,500
isolation resistance
at 500 Vdc
1,000
isolation capacitance
RoHS compliant
input to output, 100 kHz / 1 V
Vdc
MΩ
1,000
pF
yes
1,000,000
IS
C
MTBF
O
parameter
hours
ENVIRONMENTAL
parameter
conditions/description
min
case operating temperature
maximum case temperature
typ
-40
during operation
storage temperature
-55
storage humidity
non-condensing
temperature rise
100% load
lead temperature
1.5 mm from the case for 10 seconds
max
units
85
°C
105
°C
105
°C
95
D
40
cui.com
%
°C
300
°C
Additional Resources:
Product Page
CUI Inc │ SERIES: VYB10W │ DESCRIPTION: DC-DC CONVERTER
date 08/29/2012 │ page 3 of 5
DERATING CURVES
80
60
40
20
-40
-20
0
20
40
60
80
100
120
U
Ambient Temperature (°C)
ED
Load (%)
100
MECHANICAL
conditions/description
min
dimensions
2.00 x 1.00 x 0.44 inch (50.8 x 25.4 x 11.2 mm)
case material
aluminum
typ
N
parameter
units
23.5
g
TI
weight
max
MECHANICAL DRAWING
5.08 [0.200]
IS
C
10.16 0.400
3
2.54 [0.100]
20.32 [0.800]
5.08 0.200
4
25.40 1.000
1
Pin section tolerances:±0.10m m[±0.004inch]
General tolerances:±0.25m m [±0.010inch]
7.62 0.300
6
4
2
3
2
5
1
50.80 2.000
20.32 0.800
6
5
10.16 0.400
PIN CONNECTIONS
Dual
Pin
S ingle
1
GND
GND
D
BOTTOM VIEW
2
3
4
5
Vin
+ Vo
No P in
0V
Vin
+ Vo
0V
-Vo
6*
No Pin*
No Pin*
*Pin 6 added for optional Remote on/off
cui.com
2.54 [0.100]
O
1.00 0.039
(6 PLCS)
∅1.20 [0.047]
20.32 [0.800]
N
4.10 0.161
(6 PLCS)
7.62 [0.300]
RECOMMENDED FOOTPRINT (TOP VIEW)
11.20 0.441
Additional Resources:
Product Page
CUI Inc │ SERIES: VYB10W │ DESCRIPTION: DC-DC CONVERTER
date 08/29/2012 │ page 4 of 5
APPLICATION NOTES
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.
2.
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)
Dual Output
Single Output
2
Vin
Cin
GND
D1 Ic R
Vc
6
3
DC/DC
GND
0V
5
3
DC/DC
Cin
Cout
1
6
2
Vin
+Vo
+Vo
U
Figure 1
D1 Ic R
Cout
0V
4
Cout
1
-Vo
5
N
Vc
ED
1.
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.
Table 1
Cout
(μF)
Dual Vout
(Vdc)
Cout
(μF)
3.3
2,200
--
--
5
1,000
±5
680
12
470
±12
330
15
330
±15
220
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 :
N
3.
Cin: 10 ~ 47 μF
Cout: 10 μF / 100 mA
Single Vout
(Vdc)
TI
General:
4.
O
R=
VC - VD - 1.0
IC
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.
IS
C
General: Ip ≤1.6*Iin-max
No parallel connection or plug and play
D
5.
cui.com
Additional Resources:
Product Page
CUI Inc │ SERIES: VYB10W │ DESCRIPTION: DC-DC CONVERTER
date 08/29/2012 │ page 5 of 5
REVISION HISTORY
description
date
1.0
initial release
08/08/2011
1.01
V-Infinity branding removed
ED
rev.
08/29/2012
D
IS
C
O
N
TI
N
U
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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