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VYB20W-Q24-D12

P1-P3P4-P6
cui.com
date 08/29/2012
page 1 of 6
SERIES: VYB20W │ DESCRIPTION: DC-DC CONVERTER
date 08/29/2012
page 1 of 6
FEATURES
• up to 20W output
• industry standard pinout
• 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
PART NUMBER KEY
VYB20W - QXX - X XX - X
Input Voltage Output Voltage
Base Number
MODEL
input
voltage
output
voltage
output
current
output
power
ripple
1
noise
1
effi ciency
range
(Vdc) (Vdc)
min
(mA)
max
(mA)
max
(W)
max
(mVp-p)
max
(mVp-p)
typ
(%)
VYB20W-Q24-S3 9 ~ 36 3.3 500 5,000 16.5 150 150 83
VYB20W-Q24-S5 9 ~ 36 5 400 4,000 20 150 150 86
VYB20W-Q24-S12 9 ~ 36 12 167 1,667 20 150 150 87
VYB20W-Q24-S15 9 ~ 36 15 133 1,333 20 150 150 88
VYB20W-Q24-S24 9 ~ 36 24 83 834 20 150 150 88
VYB20W-Q24-D5 9 ~ 36 ±5 ±200 ±2,000 20 50 100 84
VYB20W-Q24-D12 9 ~ 36 ±12 ±83 ±833 20 50 100 87
VYB20W-Q24-D15 9 ~ 36 ±15 ±67 ±667 20 50 100 87
VYB20W-Q48-S3 18 ~ 75 3.3 500 5,000 16.5 150 150 83
VYB20W
-Q48-S5 18 ~ 75 5 400 4,000 20 150 150 87
VYB20W-Q48-S12 18 ~ 75 12 167 1,667 20 150 150 88
VYB20W-Q48-S15 18 ~ 75 15 133 1,333 20 150 150 88
VYB20W-Q48-S24 18 ~ 75 24 83 834 20 150 150 88
VYB20W-Q48-D5 18 ~ 75 ±5 ±200 ±2000 20 50 100 85
VYB20W-Q48-D12 18 ~ 75 ±12 ±83 ±833 20 50 100 87
VYB20W-Q48-D15 18 ~ 75 ±15 ±67 ±667 20 50 100 88
Notes: 1. Ripple and noise are measured at 20 MHz BW with 10μF tantalum capacitor and 1μF ceramic capacitor across output
Heatsink
"blank" = No
H = Yes
Output
S = single output
D = dual output
DISCONTINUED
For more information, please visit the product page.
cui.com
CUI Inc │ SERIES: VYB20W │ DESCRIPTION: DC-DC CONVERTER date 08/29/2012 │ page 2 of 6
INPUT
parameter conditions/description min typ max units
operating input voltage
9
18
24
48
36
75
Vdc
Vdc
start-up time 10 ms
under voltage lockout
all models
all models
single output models
dual output models
all models
power up 24 V input
power up 48 V input
power down 24 V input
power down 24 V input
power down 48 V input
8.0
7.8
16.0
9.0
17.8
Vdc
Vdc
Vdc
Vdc
Vdc
Remote on/off
1
all models
single output models
dual output models
module off
module on (or open circuit)
module on (or open circuit)
0
3.5
3.5
1.2
12
12
Vdc
Vdc
Vdc
fi lter
single output models, LC
dual output models, PI type
Notes: 1. The on/off pin voltage is referenced to GND
OUTPUT
parameter conditions/description min typ max units
line regulation measured from low line to high line ±0.2 ±0.5 %
load regulation measured from 10% to full load ±0.5 ±1 %
voltage accuracy refer to recommended circuit ±1 ±3 %
transient recovery time 25% step load charge 200 500 μs
transient peak deviation 25% rated load ±3 ±5 %
cross regulation dual output models
main output 55%,
supplemental output from
10~100% load
±5 %
adjustability single output models ±10% Vdc
switching frequency 100% load, input voltage range 400 kHz
temperature coeffi cient ±0.02 %/°C
PROTECTIONS
parameter conditions/description min typ max units
short circuit protection hiccups, continuous, automatic recovery
over current protection
single output models
dual output models
input voltage range
input voltage range
120
120
130
140
150
150
%
%
over voltage protection
single output models
dual output models
3.3 V
5 V
12 V
15 V
24 V
±5 V
±12 V
±15 V
3.9
6.2
15
18
28
±6.1
±15
±18
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
DISCONTINUED
For more information, please visit the product page.
cui.com
CUI Inc │ SERIES: VYB20W │ DESCRIPTION: DC-DC CONVERTER date 08/29/2012 │ page 3 of 6
SAFETY AND COMPLIANCE
parameter conditions/description min typ max units
isolation voltage tested for 1 minute at 1 mA max. 1,500 Vdc
isolation resistance at 500 Vdc 1,000 MΩ
isolation capacitance
input to output, 100 kHz / 0.1 V
single output models
dual output models
1,000
2,000
pF
pF
RoHS compliant yes
MTBF M1L-HDBK-217F 1,000,000 hours
ENVIRONMENTAL
parameter conditions/description min typ max units
case operating temperature -40 85 °C
maximum case temperature during operation 105 °C
storage temperature -55 125 °C
storage humidity non-condensing 5 95 %
temperature rise 100% load 40 °C
lead temperature 1.5 mm from the case for 10 seconds 300 °C
DERATING CURVES
output power vs. ambient temperature
without heat sink
with heatsink
2
1
100
80
60
40
20
Ambient Temperature (°C)
Load (%)
-40 0 20 30 40 50 60 70 80
2
1
100
80
60
40
20
Ambient Temperature (°C)
Load (%)
-40 0 20 30 40 50 60 70 80
2
1
>5V models
dual output modelssingle output models
≤5V models
100
80
60
40
20
Ambient Temperature (°C)
Load (%)
-40 0 20 30 40 50 60 70 80
1
2
DISCONTINUED
For more information, please visit the product page.
P1-P3P4-P6

VYB20W-Q24-D12

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Description:
DC DC CONVERTER +/-12V 20W
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