Datenblatt

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date
06/16/2014
page
1 of 9
SERIES: VHK75W-DIN │ DESCRIPTION: DC-DC CONVERTER
FEATURES
•
•
•
•
•
•
up to 75 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 84%
• 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
(%)
VHK75W-Q24-S3R3-DIN
9 ~ 36
3.3
15
50
100
77
VHK75W-Q24-S5-DIN
9 ~ 36
5
15
75
100
80
VHK75W-Q24-S12-DIN
9 ~ 36
12
6.25
75
150
81.5
VHK75W-Q24-S15-DIN
9 ~ 36
15
5
75
150
82.5
VHK75W-Q24-S24-DIN
9 ~ 36
24
3.12
75
240
83
VHK75W-Q24-S48-DIN
9 ~ 36
48
1.56
75
480
80
VHK75W-Q48-S3R3-DIN
18 ~ 75
3.3
15
50
100
78
VHK75W-Q48-S5-DIN
18 ~ 75
5
15
75
100
81
VHK75W-Q48-S12-DIN
18 ~ 75
12
6.25
75
150
82.5
VHK75W-Q48-S15-DIN
18 ~ 75
15
5
75
150
83.5
VHK75W-Q48-S24-DIN
18 ~ 75
24
3.12
75
240
84
VHK75W-Q48-S48-DIN
18 ~ 75
48
1.56
75
480
82
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
VHK75W - 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: VHK75W-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
48 V output models
line regulation2
load regulation
2
min
typ
max
units
15,000
6,250
5,000
3,120
1,560
μF
μF
μF
μF
μF
measured from high line to low line
±0.2
%
measured from full load to zero load
±0.2
%
±1
%
voltage accuracy
adjustability
±10
%
switching frequency
300
kHz
transient response
25% step load change
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
over voltage protection
over temperature protection
max
units
110
160
%
115
140
%
shutdown
restart threshold
typ
100
70
°C
°C
SAFETY AND COMPLIANCE
parameter
conditions/description
isolation voltage
for 1 minute: input to output; input to case;
output to case
min
isolation resistance
RoHS
typ
max
units
1,500
Vdc
10
MΩ
2011/65/EU (CE)
ENVIRONMENTAL
parameter
conditions/description
min
operating temperature
see derating curve
storage temperature
cui.com
typ
max
units
-40
85
°C
-55
105
°C
For more information, please visit the product page.
CUI Inc │ SERIES: VHK75W-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: VHK75W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 4 of 9
DERATING CURVES
VHK75W Power Derating Curves At Nominal Input
120.00%
Natural
Convection
Relative Output Power - % of nominal output
100.00%
0.5 m/S
(100LFM)
1.0 m/S
(200LFM)
80.00%
1.5 m/S
(300LFM)
60.00%
2.0 m/S
(400LFM)
40.00%
2.5 m/S
(500LFM)
3.0 m/S
(600LFM)
20.00%
3.5 m/S
(700LFM)
0.00%
-40
35
40
45
50
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 Vdc output models)
L2
L1
+Vin
C1
+Vin
C2
C3
+Vo
+S
+Vo
DC/DC Converter
-S
-Vin
-Vin
C4
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CASE
-Vo
-Vo
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CUI Inc │ SERIES: VHK75W-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)
CY6
CY5
L1
+Vin
+Vin
C1
+Vo
+Vo
+S
C2
DC/DC Converter
-S
-Vin
-Vin
-Vo
-Vo
Table 2
Class A Recommended Components
Model
C11
C21
C31
C42
CY52
CY62
L1
L2
VHK75W-Q24-S3R3
NC
47 μF/50 V
47 μF/50 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q24-S5
NC
47 μF/50 V
47 μF/50 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q24-S12
NC
47 μF/50 V
47 μF/50 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q24-S15
NC
47 μF/50 V
47 μF/50 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q24-S24
NC
100 μF/50 V
100 μF/50 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q24-S48
220 μF/50 V
100 μF/50 V
NC
NC
1000 pF/2 kV
1000 pF/2 kV
0.223 mH
NC
VHK75W-Q48-S3R3
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q48-S5
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q48-S12
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q48-S15
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q48-S24
NC
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
NC
NC
Short
3.4 μH
VHK75W-Q48-S48
56 μF/100 V
39 μF/100 V
NC
NC
1000 pF/2 kV
470 pF/2 kV
0.223 mH
NC
Note:
1. Aluminum capacitors.
2. Ceramic capacitors.
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For more information, please visit the product page.
CUI Inc │ SERIES: VHK75W-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 Vdc output models as well as VHK75W-Q48-S24)
L1
L2
+Vin
+Vin
+Vo
+Vo
+S
C1
C2
C3
C6
DC/DC Converter
-S
-Vin
-Vin
-Vo
CASE
C4
-Vo
C5
Figure 5
Recommended Circuit for EN55022 Class B
(for VHK75W-Q24-S24)
L1
L2
+Vin
+Vin
+Vo
+Vo
+S
C1
DC/DC Converter
C2
-S
-Vin
-Vin
C4
CASE
-Vo
-Vo
C6
C5
C7
Table 3
Class B Recommended Components
(for all 3.3, 5, 12, 15, & 24 Vdc output models)
Model
C11
C21
C31
C42
C52
C62
C72
L1
L2
VHK75W-Q24-S3R3
47 μF/50 V
47 μF/50 V
47 μF/50 V
3300 pF/2 kV
3300 pF/2 kV
1000 pF/2 kV
NC
1.5 mH
3.4 μH
VHK75W-Q24-S5
47 μF/50 V
47 μF/50 V
47 μF/50 V
2200 pF/2 kV
3300 pF/2 kV
1000 pF/2 kV
NC
1.5 mH
3.4 μH
VHK75W-Q24-S12
47 μF/50 V
47 μF/50 V
47 μF/50 V
3300 pF/2 kV
1000 pF/2 kV
1000 pF/2 kV
NC
1.5 mH
3.4 μH
VHK75W-Q24-S15
47 μF/50 V
47 μF/50 V
47 μF/50 V
2200 pF/2 kV
3300 pF/2 kV
1000 pF/2 kV
NC
1.5 mH
3.4 μH
VHK75W-Q24-S24
100 μF/50 V
100 μF/50 V
NC
1000 pF/2 kV
1000 pF/2 kV
1000 pF/2 kV
1000 pF/2 kV
0.12 mH
0.34 mH
VHK75W-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
NC
1.5 mH
3.4 μH
VHK75W-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
NC
1.5 mH
3.4 μH
VHK75W-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
NC
1.5 mH
3.4 μH
VHK75W-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
NC
1.5 mH
3.4 μH
VHK75W-Q48-S24
47 μF/100 V
47 μF/100 V
47 μF/100 V
2200 pF/2 kV
2200 pF/2 kV
1000 pF/2 kV
NC
1.5 mH
3.4 μH
Note:
1. Aluminum capacitors.
2. Ceramic capacitors.
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CUI Inc │ SERIES: VHK75W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 7 of 9
EMC RECOMMENDED CIRCUITS (CONTINUED)
EN55022 CLASS B
Figure 6
Recommended Circuit for EN55022 Class B
(for all 48 V output models)
CY5
L1
+Vin
CY6
+Vin
C1
C2
+Vo
+S
+Vo
DC/DC Converter
-S
-Vin
-Vin
-Vo
CY8
-Vo
CY7
Table 4
Class B Recommended Components
(for all 48 V output models)
Model
C11
C21
CY52
CY62
CY72
CY82
L1
VHK75W-Q24-S48
220 μF/50 V
220 μF/50 V
1500 pF/2 kV
1000 pF/2 kV
1000 pF/2 kV
1000 pF/2 kV
0.223 mH
VHK75W-Q48-S48
56 μF/100 V
56 μF/100 V
1000 pF/2 kV
1000 pF/2 kV
1000 pF/2 kV
1000 pF/2 kV
0.223 mH
Note:
1. Aluminum capacitors.
2. Ceramic capacitors.
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CUI Inc │ SERIES: VHK75W-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
+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 5).
Table 5
Note:
R1(Vo - Vr)
- R2 (KΩ)
Vo, nom - Vo
Vout
(Vdc)
R1
(KΩ)
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
48
36
270
14
3.085
1.15
1. All specifications are measured at Ta=25°C, nominal input voltage and full output load unless otherwise specified.
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CUI Inc │ SERIES: VHK75W-DIN │ DESCRIPTION: DC-DC CONVERTER
date 06/16/2014 │ page 9 of 9
REVISION HISTORY
rev.
description
date
1.0
initial release
12/16/2013
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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