Datasheet

For more information, please visit the product page.
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
500
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, <1.2 Vdc
2. negative logic remote on/off available
Module ON, <1.2 Vdc current limit, 110~165% nominal output
Module OFF, 3.5 ~ 75 Vdc or open circuit
OUTPUT
parameter
conditions/description
max
units
line regulation
measured from high line to low line
min
typ
±0.2
%
load regulation
measured from full load to zero load
±0.2
%
±1.5
%
500
µs
voltage accuracy
transient response
25% step load change
external trim adj. range
switching frequency
±10
100% load, input voltage range
temperature coefficient
%
300
kHz
±0.03
%/°C
PROTECTIONS
parameter
conditions/description
min
max
units
over voltage protection
%Vo
115
140
%
short circuit protection
continuous
current limit
% nominal output current
110
165
%
thermal shutdown case temp.
typ
110
°C
SAFETY AND COMPLIANCE
parameter
conditions/description
isolation voltage
input to output
input to case
output to case
min
isolation resistance
UL 60950-1, CE
RoHS compliant
yes
MTBF
MIL-STD-217F, GB, 25°C, full load
max
units
1,500
1,500
1,500
Vdc
Vdc
Vdc
10
MΩ
isolation capacitance
safety approvals
typ
1,000
pF
TBD
hours
ENVIRONMENTAL
parameter
conditions/description
min
case operating temperature
storage temperature
humidity
non-condensing
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max
units
-40
typ
105
°C
-55
125
°C
95
%
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CUI Inc │ SERIES: VQE50W │ DESCRIPTION: DC-DC CONVERTER
date 03/18/2013 │ page 3 of 4
DERATING CURVE
Load (%)
100
80
60
40
20
-40
-20
0
20
40
60
80
105
120
Ambient Temperature (°C)
MECHANICAL
parameter
conditions/description
min
dimensions
1.45 x 2.28 x 0.50 (36.8 x 57.9 x 12.7 mm)
case material
aluminum
typ
max
units
inch
weight
63
g
MECHANICAL DRAWING
units: inches[mm]
tolerance:
inches: X.XX = ±0.02
X.XXX = ±0.010
mm: X.XX = ±0.5
X.XXX = ±0.25
Mounting Inserts
M3x0.5 Through 4pl.
PIN CONNECTIONS
4
5
6
7
8
3
2
1
min.
Bottom View
DIA 6PLACES
Note:
DIA 2PLACES
All specifications measured at 25°C, nominal input voltage, and full load unless otherwise noted.
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PIN
FUNCTION
1
+Vin
2
On/Off
3
-Vin
4
-Vo
5
-S
6
TRIM
7
+S
8
+Vo
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CUI Inc │ SERIES: VQE50W │ DESCRIPTION: DC-DC CONVERTER
date 03/18/2013 │ page 4 of 4
REVISION HISTORY
rev.
description
date
1.0
initial release
08/22/2012
1.01
added negative logic option to part number key, updated derating curve
03/04/2013
1.02
updated spec
03/18/2013
The revision history provided is for informational purposes only and is believed to be accurate.
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Fax 503.612.2383
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[email protected]
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