Datenblatt

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date
06/16/2014
page
1 of 9
SERIES: VHK50W-DIN │ DESCRIPTION: DC-DC CONVERTER
FEATURES
•
•
•
•
•
•
up to 50 W isolated output
rugged metal enclosure with integrated heat sink
4:1 input range (9~36 Vdc, 18~75 Vdc)
single output from 3.3~48 Vdc
1,500 Vdc isolation
over current, over temperature, over voltage,
and short circuit protections
• remote on/off
• efficiency up to 83%
• comes with DIN-rail mount
MODEL
input
voltage
output
voltage
output
current
output
power
ripple
and noise1
efficiency
range
(Vdc)
(Vdc)
max
(A)
max
(W)
max
(mVp-p)
typ
(%)
VHK50W-Q24-S3R3-DIN
9 ~ 36
3.3
10
33
100
75
VHK50W-Q24-S5-DIN
9 ~ 36
5
10
50
100
79
VHK50W-Q24-S12-DIN
9 ~ 36
12
4.16
50
150
82
VHK50W-Q24-S15-DIN
9 ~ 36
15
3.33
50
150
82
VHK50W-Q24-S24-DIN
9 ~ 36
24
2.08
50
240
82
VHK50W-Q24-S28-DIN
9 ~ 36
28
1.78
50
280
82
VHK50W-Q24-S48-DIN
9 ~ 36
48
1.04
50
480
82
VHK50W-Q48-S3R3-DIN
18 ~ 75
3.3
10
33
100
76
VHK50W-Q48-S5-DIN
18 ~ 75
5
10
50
100
80
VHK50W-Q48-S12-DIN
18 ~ 75
12
4.16
50
150
83
VHK50W-Q48-S15-DIN
18 ~ 75
15
3.33
50
150
83
VHK50W-Q48-S24-DIN
18 ~ 75
24
2.08
50
240
83
VHK50W-Q48-S28-DIN
18 ~ 75
28
1.78
50
280
83
VHK50W-Q48-S48-DIN
18 ~ 75
48
1.04
50
480
83
Note:
1. Ripple and noise are measured at full load, 20 MHz BW with 10µF tantalum capacitor and 1µF ceramic capacitor across output. The 48 Vdc output models only require
the 1µF ceramic capacitor across the output.
PART NUMBER KEY
VHK50W - QXX - SXXX - DIN
Base Number
Mounting Type
DIN = DIN-rail mount
Input Voltage
Output Voltage
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Remote On/Off Control
"blank" = positive logic
N = negative logic
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CUI Inc │ SERIES: VHK50W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 2 of 9
INPUT
parameter
conditions/description
operating input voltage
24 Vdc input models
48 Vdc input models
typ
max
units
9
18
24
48
36
75
Vdc
Vdc
24 Vdc input
power up
power down
8.8
8
Vdc
Vdc
48 Vdc input
power up
power down
17
16
Vdc
Vdc
under voltage shutdown
positive logic
CTRL1
negative logic
models ON (open circuit)
models OFF (0~0.8 Vdc)
models ON (0~0.8 Vdc)
models OFF (open circuit)
filter
pi filter
input fuse
15A time delay fuse for 24 Vin models,
8A time delay fuse for 48 Vin models
Note:
min
1. Open collector refer to -Vin
OUTPUT
parameter
conditions/description
maximum capacitive load
3.3 and 5 V output models
12 V output models
15 V output models
24 V output models
28 V output models
48 V output models
min
typ
47
max
units
10,000
4,160
3,330
2,080
1,780
1,040
μF
μF
μF
μF
μF
μF
line regulation
measured from high line to low line
±0.2
%
load regulation2
measured from full load to zero load
±0.2
%
±1
%
2
voltage accuracy
2
adjustability
±10
switching frequency
transient response
300
25% step load change
kHz
500
temperature coefficient
Note:
%
±0.03
µs
%/°C
2. A 47 μF aluminum capacitor is required on the output for 48 Vdc output models.
PROTECTIONS
parameter
conditions/description
short circuit protection
continuous
over current protection
% nominal output current
min
110
over voltage protection
over temperature protection
typ
115
shutdown
restart threshold
max
units
160
%
140
100
70
%
°C
°C
SAFETY AND COMPLIANCE
parameter
conditions/description
min
isolation voltage
for 1 min: input/output; input/case; output/case
isolation resistance
RoHS
typ
max
units
1,500
Vdc
10
MΩ
2011/65/EU (CE)
ENVIRONMENTAL
parameter
conditions/description
min
max
units
operating temperature
see derating curve
-40
85
°C
-55
105
°C
storage temperature
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typ
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CUI Inc │ SERIES: VHK50W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 3 of 9
MECHANICAL
parameter
conditions/description
dimensions
4.23 x 4.01 x 2.07 (107.5 x 101.8 x 52.6 mm)
min
case material
steel and aluminum extrusion
typ
max
inch
weight
651
g
MECHANICAL DRAWING
units: inch[mm]
tolerance: X.XX = ±0.02[±0.5]
X.XXX = ±0.010[±0.25]
0.18 4.5
wire range: 22~12 AWG
screw size: #6-32
mounts to TS35 rails
3
REM
4
CASE
5
+Vo
4
9
6
+S
7
TRIM
4.09 104.0
8
-S
4.23 107.5
9
-Vo
Top View
2.76 70.0
2 - DIN RAIL CLIP
0.07 1.8
1.50 38.0
2.07 52.6
0.67 17.0
4.01 101.8
-Vin
0.57 14.6
2
3.62 92.0
+Vin
0.50 12.8
FUNCTION
1
1.38 35.0
Front View
Back View
Side View
OUTPUT
1.18 30.0
INPUT
1.18 30.0
1.91 48.5
0.75 19.0
PIN
5
1
PIN CONNECTIONS
Bottom View
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units
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CUI Inc │ SERIES: VHK50W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 4 of 9
DERATING CURVES
VHK50W Power Derating Curves At Nominal Input
120%
Natural
Convection
Relative Output Power - % of nominal output
100%
0.5 m/S
(100LFM)
1.0 m/S
(200LFM)
80%
1.5 m/S
(300LFM)
60%
2.0 m/S
(400LFM)
40%
2.5 m/S
(500LFM)
3.0 m/S
(600LFM)
20%
3.5 m/S
(700LFM)
0%
-40
55
60
65
70
75
80
85
Ambient Temperature - degrees C
TEST CONFIGURATION
Figure 1
Table 1
To Oscilloscope
External components
L1
+Vin
+Vo
+
Vin
-
C1
Cin
R-Load
-Vin
Note:
L1
12μH
C1
220μF, ESR < 0.1Ω at 100 KHz
Cin
100μF, ESR < 0.1Ω at 100 KHz
-Vo
Input reflected-ripple current is measured with an inductor L1 and Capacitor C1 to simulate source impedance.
EMC RECOMMENDED CIRCUITS
EN55022 CLASS A
Figure 2
Recommended Circuit for EN55022 Class A
(for all 3.3, 5, 12, 15, 24, & 28 Vdc output models)
L2
L1
+Vin
C1
+Vin
C2
C3
-Vin
+Vo
DC/DC Converter
-Vin
C4
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+Vo
+S
CASE
-S
-Vo
-Vo
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CUI Inc │ SERIES: VHK50W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 5 of 9
EMC RECOMMENDED CIRCUITS (CONTINUED)
EN55022 CLASS A
Figure 3
Recommended Circuit for EN55022 Class A
(for all 48 Vdc output models)
L1
L2
+Vin
C1
C2
C3
Co min.
DC/DC Converter
-Vin
-Vin
+Vo
+Vo
+S
+Vin
CASE
-S
-Vo
-Vo
C4
Table 2
Class A Recommended Components
Model
C11
C22
C32
C41
L1
L2
Co min.
VHK50W-Q24-S3R3
NC
100 μF/50 V
100 μF/50 V
2200 pF/2 kV
Short
3.5 μH
NC
VHK50W-Q24-S5
NC
100 μF/50 V
100 μF/50 V
2200 pF/2 kV
Short
3.5 μH
NC
VHK50W-Q24-S12
NC
100 μF/50 V
100 μF/50 V
2200 pF/2 kV
Short
3.5 μH
NC
VHK50W-Q24-S15
NC
100 μF/50 V
100 μF/50 V
2200 pF/2 kV
Short
3.5 μH
NC
VHK50W-Q24-S24
10 μF/50 V
100 μF/50 V
100 μF/50 V
NC
1.5 mH
3.4 μH
NC
VHK50W-Q24-S28
NC
100 μF/50 V
100 μF/50 V
2200 pF/2 kV
Short
3.4 μH
NC
VHK50W-Q24-S48
NC
100 μF/50 V
100 μF/50 V
NC
Short
3.5 μH
47 μF
VHK50W-Q48-S3R3
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
Short
3.4 μH
NC
VHK50W-Q48-S5
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
Short
3.4 μH
NC
VHK50W-Q48-S12
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
Short
3.4 μH
NC
VHK50W-Q48-S15
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
Short
3.4 μH
NC
VHK50W-Q48-S24
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
Short
3.4 μH
NC
VHK50W-Q48-S28
NC
100 μF/100 V
100 μF/100 V
2200 pF/2 kV
Short
3.4 μH
NC
VHK50W-Q48-S48
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
Short
3.5 μH
47 μF
Note:
1. Ceramic capacitors
2. Aluminum capacitors
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For more information, please visit the product page.
CUI Inc │ SERIES: VHK50W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 6 of 9
EMC RECOMMENDED CIRCUITS (CONTINUED)
EN55022 CLASS B
Figure 4
Recommended Circuit for EN55022 Class B
(for all 3.3, 5, 12, 15, & 24 Vdc output models)
L1
L2
+Vin
+Vin
+Vo
+Vo
+S
C1
C2
C3
DC/DC Converter
C6
-S
-Vin
-Vin
-Vo
CASE
C4
-Vo
C5
Figure 5
Recommended Circuit for EN55022 Class B
(for all 28 Vdc output models)
L1
+Vin
C1
L2
+Vin
+Vo
+S
C3
C2
+Vo
DC/DC Converter
-S
-Vin
C5
-Vin
CASE
-Vo
-Vo
Figure 6
Recommended Circuit for EN55022 Class B
(for all 48 Vdc output models)
L1
L2
+Vin
+Vin
C1
C2
C3
-Vin
C6 DC/DC Converter
-Vin
C4
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+Vo
+S
CASE
-S
-Vo
C5
+Vo
Co min.
-Vo
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CUI Inc │ SERIES: VHK50W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 7 of 9
EMC RECOMMENDED CIRCUITS (CONTINUED)
EN55022 CLASS B
Table 3
Class B Recommended Components
Model
C12
C22
C32
C41
C51
C61
L1
L2
Co min.
VHK50W-Q24-S3R3
100 μF/50 V
100 μF/50 V
100 μF/50 V
3300 pF/2 kV
NC
NC
0.65 mH
1.5 μH
NC
VHK50W-Q24-S5
100 μF/50 V
100 μF/50 V
100 μF/50 V
2200 pF/2 kV
NC
NC
0.65 mH
1.5 μH
NC
VHK50W-Q24-S12
100 μF/50 V
100 μF/50 V
100 μF/50 V
3300 pF/2 kV
NC
NC
0.65 mH
1.5 μH
NC
VHK50W-Q24-S15
100 μF/50 V
100 μF/50 V
100 μF/50 V
2200 pF/2 kV
NC
NC
0.65 mH
1.5 μH
NC
VHK50W-Q24-S24
1
10 μF/50 V
100 μF/50 V
100 μF/50 V
2200 pF/2 kV
3300 pF/2 kV
1000 pF/2 kV
1.5 mH
3.4 μH
NC
VHK50W-Q24-S28
100 μF/50 V
100 μF/50 V
NC
NC
1000 pF/2 kV
NC
0.12 mH
0.34 mH
NC
VHK50W-Q24-S48
1
10 μF/50 V
100 μF/50 V
100 μF/50 V
4700 pF/2 kV
2200 pF/2 kV
1000 pF/2 kV
1.5 mH
3.4 μH
47 μF
VHK50W-Q48-S3R3
47 μF/100 V
47 μF/100 V
47 μF/100 V
3300 pF/2 kV
3300 pF/2 kV
1000 pF/2 kV
1.5 mH
3.4 μH
NC
VHK50W-Q48-S5
47 μF/100 V
47 μF/100 V
47 μF/100 V
3300 pF/2 kV
3300 pF/2 kV
1000 pF/2 kV
1.5 mH
3.4 μH
NC
VHK50W-Q48-S12
47 μF/100 V
47 μF/100 V
47 μF/100 V
3300 pF/2 kV
3300 pF/2 kV
1000 pF/2 kV
1.5 mH
3.4 μH
NC
VHK50W-Q48-S15
47 μF/100 V
47 μF/100 V
47 μF/100 V
3300 pF/2 kV
3300 pF/2 kV
1000 pF/2 kV
1.5 mH
3.4 μH
NC
VHK50W-Q48-S24
47 μF/100 V
47 μF/100 V
47 μF/100 V
3300 pF/2 kV
3300 pF/2 kV
1000 pF/2 kV
1.5 mH
3.4 μH
NC
VHK50W-Q48-S28
100 μF/100 V
100 μF/100 V
NC
NC
1000 pF/2 kV
NC
0.12 mH
0.34 mH
NC
VHK50W-Q48-S48
47 μF/100 V
47 μF/100 V
47 μF/100 V
4700 pF/2 kV
2200 pF/2 kV
1000 pF/2 kV
1.5 mH
3.4 μH
47 μF
Note:
1. Ceramic capacitors
2. Aluminum capacitors
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CUI Inc │ SERIES: VHK50W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 8 of 9
APPLICATION NOTES
1. Output Voltage Trimming
Leave open if not used.
Figure 7
Formula for Trim Resistor
Application Circuit for Trim pin
+Vin
+Vo
+Sense
Trim
R-Load
Trim up
Rtrim - up = (
R2 ))
R 2 + R3
R2R3
)(KΩ)
Vo - Vo, nom
R 2 + R3
R1(Vr - Vf (
R trim-up
-Vin
+Vin
-Sense
Rtrim - down =
-Vo
R1(Vo - Vr)
- R2 (KΩ)
Vo, nom - Vo
+Vo
+Sense
R trim-down
Trim down
R-Load
Trim
-Vin
-Sense
-Vo
Note: Rtrim-up is the external resistor in KΩ
Rtrim-down is the external resistor in KΩ
VO, nom is the nominal output voltage
VO is the desired output voltage
R1, R2, R3, and Vr are internal (see Table 4).
Vout
(Vdc)
Table 4
Note:
R2
(KΩ)
R3
(KΩ)
Vr
(V)
Vf
(V)
3.3
3
12
18
1.24
0.46
5
2.32
8.2
0
2.5
0
12
9.1
51
18
2.5
0.46
15
12
82
18
2.5
0.46
24
20
100
20
2.5
0.46
28
23.7
150
16
2.5
0.46
48
36
270
14
2.5
0.46
1. All specifications are measured at Ta=25°C, nominal input voltage and full output load unless otherwise specified.
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R1
(KΩ)
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CUI Inc │ SERIES: VHK50W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 9 of 9
REVISION HISTORY
rev.
description
date
1.0
initial release
12/17/2013
1.01
changed DIN-rail mount
06/16/2014
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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