VHK50W-Q24-S48

cui.com
date 12/17/2013
page 1 of 9
SERIES: VHK50W DESCRIPTION: DC-DC CONVERTER
date 12/17/2013
page 1 of 9
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%
PART NUMBER KEY
MODEL
input
voltage
output
voltage
output
current
output
power
ripple
and noise
1
ef ciency
range
(Vdc) (Vdc)
max
(A)
max
(W)
max
(mVp-p)
typ
(%)
VHK50W-Q24-S3R3 9 ~ 36 3.3 10 33 100 75
VHK50W-Q24-S5 9 ~ 36 5 10 50 100 79
VHK50W-Q24-S12 9 ~ 36 12 4.16 50 150 82
VHK50W-Q24-S15 9 ~ 36 15 3.33 50 150 82
VHK50W-Q24-S24 9 ~ 36 24 2.08 50 240 82
VHK50W-Q24-S28 9 ~ 36 28 1.78 50 280 82
VHK50W-Q24-S48 9 ~ 36 48 1.04 50 480 82
VHK50W-Q48-S3R3 18 ~ 7
5 3.3 10 33 100 76
VHK50W-Q48-S5 18 ~ 75 5 10 50 100 80
VHK50W-Q48-S12 18 ~ 75 12 4.16 50 150 83
VHK50W-Q48-S15 18 ~ 75 15 3.33 50 150 83
VHK50W-Q48-S24 18 ~ 75 24 2.08 50 240 83
VHK50W-Q48-S28 18 ~ 75 28 1.78 50 280 83
VHK50W-Q48-S48 18 ~ 75 48 1.04 50 480 83
Note: 1. Ripple and noise are measured at full load, 20 MHz BW with 10F tantalum capacitor and 1F ceramic capacitor across output. The 48 Vdc output models only require
the 1F ceramic capacitor across the output.
VHK50W - QXX - SXXX
Input Voltage Output Voltage
Base Number
Remote On/Off Control
"blank" = positive logic
N = negative logic
For more information, please visit the product page.
cui.com
CUI Inc SERIES: VHK50W DESCRIPTION: DC-DC CONVERTER date 12/17/2013 page 2 of 9
INPUT
parameter conditions/description min typ max units
operating input voltage
24 Vdc input models
48 Vdc input models
9
18
24
48
36
75
Vdc
Vdc
under voltage shutdown
24 Vdc input
power up
power down
8.8
8
Vdc
Vdc
48 Vdc input
power up
power down
17
16
Vdc
Vdc
CTRL
1
positive logic
models ON (open circuit)
models OFF (0~0.8 Vdc)
negative logic
models ON (0~0.8 Vdc)
models OFF (open circuit)
lter pi lter
input fuse
15A time delay fuse for 24 Vin models,
8A time delay fuse for 48 Vin models
Note: 1. Open collector refer to -Vin
OUTPUT
parameter conditions/description min typ max units
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 47
10,000
4,160
3,330
2,080
1,780
1,040
F
F
F
F
F
F
line regulation
2
measured from high line to low line ±0.2 %
load regulation
2
measured from full load to zero load ±0.2 %
voltage accuracy
2
±1 %
adjustability ±10 %
switching frequency 300 kHz
transient response 25% step load change 500 s
temperature coef cient ±0.03 %/°C
Note: 2. A 47 F aluminum capacitor is required on the output for 48 Vdc output models.
PROTECTIONS
parameter conditions/description min typ max units
short circuit protection continuous
over current protection % nominal output current 110 160 %
over voltage protection 115 140 %
over temperature protection
shutdown
restart threshold
100
70
°C
°C
SAFETY AND COMPLIANCE
parameter conditions/description min typ max units
isolation voltage for 1 min: input/output; input/case; output/case 1,500 Vdc
isolation resistance 10 M
RoHS 2011/65/EU (CE)
ENVIRONMENTAL
parameter conditions/description min typ max units
operating temperature see derating curve -40 85 °C
storage temperature -55 105 °C
For more information, please visit the product page.
cui.com
CUI Inc SERIES: VHK50W DESCRIPTION: DC-DC CONVERTER date 12/17/2013 page 3 of 9
MECHANICAL
parameter conditions/description min typ max units
dimensions 4.23 x 4.01 x 1.50 (107.5 x 101.76 x 38.0 mm) inch
case material steel and aluminum extrusion
weight 502 g
MECHANICAL DRAWING
2.76[
70
.0]
4.006[
101.76
]
4.09[
104
.0]
4.23[
107.5
]
3.58[
91
.0]
Jumper
1.50[
38
.0]
PIN CONNECTIONS
PIN FUNCTION
1-Vo
2-S
3 trim
4+S
5+Vo
6 case
7 on/off
8 -Vin
9 +Vin
units: inch[mm]
tolerance: X.XX = ±0.02[±0.5]
X.XXX = ±0.010[±0.25]
wire range: 22~12 AWG
screw size: #6-32
For more information, please visit the product page.

VHK50W-Q24-S48

Mfr. #:
Manufacturer:
CUI Inc
Description:
Isolated DC/DC Converters dc-dc isolated, 50 W, 9~36 Vdc input, 48 Vdc, 1.04 A, single output, chassis mount
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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