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date
03/18/2013
page
1 of 4
SERIES: VQE50W │ DESCRIPTION: DC-DC CONVERTER
FEATURES
•
•
•
•
•
•
•
up to 50 W isolated output
industry standard quarter brick package
4:1 input range (9~36 V, 18~75 V)
single output from 3.3~48 V
1,500 V isolation
tantalum free capacitors used
over current, over temperature, over voltage,
and short circuit protections
• remote on/off
• very high efficiency up to 92%
RoHS
MODEL
input
voltage
output
voltage
output
current
output
power
ripple and
noise1
efficiency
range
(Vdc)
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
typ
(%)
VQE50W-Q24-S3R3
9 ~ 36
3.3
10
33
100
90.5
VQE50W-Q24-S5
9 ~ 36
5
10
50
100
91.5
VQE50W-Q24-S12
9 ~ 36
12
4.16
50
150
91.5
VQE50W-Q24-S15
9 ~ 36
15
3.33
50
150
91.5
VQE50W-Q24-S24
9 ~ 36
24
2.08
50
240
90
VQE50W-Q24-S48
9 ~ 36
48
1.04
50
480
88.5
VQE50W-Q48-S3R3
18 ~ 75
3.3
10
33
100
90
VQE50W-Q48-S5
18 ~ 75
5
10
50
100
92
VQE50W-Q48-S12
18 ~ 75
12
4.16
50
150
92
VQE50W-Q48-S15
18 ~ 75
15
3.33
50
150
91
VQE50W-Q48-S24
18 ~ 75
24
2.08
50
240
90.5
VQE50W-Q48-S48
18 ~ 75
48
1.04
50
480
89
Notes:
1. ripple and noise are measured at 20 MHz BW with 10µF tantalum capacitor and 1µF ceramic capacitor across output
PART NUMBER KEY
VQE50W - QXX - SXX X
Base Number
Input Voltage
Output Voltage
cui.com
Remote On/Off Control
"blank" = positive logic
N = negative logic
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CUI Inc │ SERIES: VQE50W │ DESCRIPTION: DC-DC CONVERTER
date 03/18/2013 │ page 2 of 4
INPUT
parameter
conditions/description
operating input voltage
24 V input
48 V input
surge voltage
100 ms max.
under voltage lockout
power up
power down
min
typ
max
units
9
18
24
48
36
75
Vdc
Vdc
50
100
Vdc
Vdc
24 V input
48 V input
24
48
24
48
V
V
V
V
input
input
input
input
8.8
17
8
16
Vdc
Vdc
Vdc
Vdc
positive logic remote on/off1
filter
Notes:
PI type
1. logic compatibility, open collector ref to -input
Module ON, 3.5 ~ 75 Vdc or open circuit
Module OFF,
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