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date 08/29/2012
page 1 of 6
SERIES: VYB20W │ DESCRIPTION: DC-DC CONVERTER
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
input
voltage
range
(Vdc)
output
voltage
output
current
output
power
max
(W)
ripple1
noise1
efficiency
MODEL
min
max
(mA)
max
(mVp-p)
max
(mVp-p)
typ
(%)
(Vdc)
3.3
5
(mA)
500
400
167
133
83
VYB20W-Q24-S3
VYB20W-Q24-S5
VYB20W-Q24-S12
VYB20W-Q24-S15
VYB20W-Q24-S24
VYB20W-Q24-D5
VYB20W-Q24-D12
VYB20W-Q24-D15
VYB20W-Q48-S3
VYB20W-Q48-S5
VYB20W-Q48-S12
VYB20W-Q48-S15
VYB20W-Q48-S24
VYB20W-Q48-D5
VYB20W-Q48-D12
VYB20W-Q48-D15
9 ~ 36
9 ~ 36
9 ~ 36
9 ~ 36
9 ~ 36
9 ~ 36
9 ~ 36
9 ~ 36
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
18 ~ 75
5,000
4,000
1,667
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
85
87
88
12
15
24
±5
±12
±15
3.3
5
±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
12
15
24
±5
±12
±15
±200
±83
±67
±2000
±833
±667
50
50
Notes:
1. Ripple and noise are measured at 20 MHz BW with 10μF tantalum capacitor and 1μF ceramic capacitor across output
PART NUMBER KEY
VYB20W - QXX - X XX - X
Base Number
Output
S = single output
D = dual output
Heatsink
"blank" = No
H = Yes
Input Voltage
Output Voltage
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