Datasheet

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date
04/01/2013
page
1 of 4
SERIES: VHB50W │ DESCRIPTION: DC-DC CONVERTER
FEATURES
•
•
•
•
•
•
up to 50 W isolated output
industry standard half brick package
4:1 input range (9~36 V, 18~75 V)
single output from 3.3~48 V
1,500 V isolation
over current, over temperature, over voltage,
and short circuit protections
• remote on/off
• efficiency up to 87%
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
(%)
VHB50W-Q24-S3R3
9 ~ 36
3.3
10
33
100
77
VHB50W-Q24-S5
9 ~ 36
5
10
50
100
81
VHB50W-Q24-S12
9 ~ 36
12
4.16
50
150
83
VHB50W-Q24-S15
9 ~ 36
15
3.33
50
150
83
VHB50W-Q24-S24
9 ~ 36
24
2.08
50
240
83
VHB50W-Q24-S28
9 ~ 36
28
1.78
50
280
83
VHB50W-Q24-S48
9 ~ 36
48
1.04
50
480
83
VHB50W-Q48-S3R3
18 ~ 75
3.3
10
33
100
78
VHB50W-Q48-S5
18 ~ 75
5
10
50
100
82
VHB50W-Q48-S12
18 ~ 75
12
4.16
50
150
84
VHB50W-Q48-S15
18 ~ 75
15
3.33
50
150
84
VHB50W-Q48-S24
18 ~ 75
24
2.08
50
240
84
VHB50W-Q48-S28
18 ~ 75
28
1.78
50
280
84
VHB50W-Q48-S48
18 ~ 75
48
1.04
50
480
83
Notes:
1. ripple and noise are measured at 20 MHz BW with 10µF tantalum capacitor and 1µF ceramic capacitor across output
PART NUMBER KEY
VHB50W - QXX - SXX X
Base Number
Input Voltage
Output Voltage
cui.com
Remote On/Off Control
"blank" = positive logic
N = negative logic
For more information, please visit the product page.
CUI Inc │ SERIES: VHB50W │ DESCRIPTION: DC-DC CONVERTER
date 04/01/2013 │ page 2 of 4
INPUT
parameter
conditions/description
operating input voltage
24 V input
48 V input
under voltage lockout
power up
power down
24
48
24
48
V
V
V
V
min
typ
max
units
9
18
24
48
36
75
Vdc
Vdc
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 Vdc or open circuit
Module OFF, <1.8 Vdc
OUTPUT
parameter
conditions/description
line regulation
load regulation
min
typ
max
units
measured from high line to low line
±0.2
%
measured from full load to zero load
±0.2
%
±1
%
25% step load change
500
µs
voltage accuracy
transient response
adjustability2
switching frequency
100% load, input voltage range
temperature coefficient
Notes:
±10
%
300
kHz
±0.03
%/°C
2. trim-up: connect a resistor between the trim pin and -Sense
trim-down: connect a resistor between the trim pin and +Sense
PROTECTIONS
parameter
conditions/description
min
over voltage protection
%Vo
115
short circuit protection
continuous
current limit
% nominal output current
typ
110
thermal shutdown case temp.
max
units
140
%
160
100
%
°C
SAFETY AND COMPLIANCE
parameter
conditions/description
isolation voltage
input to output
input to case
output to case
min
typ
1,500
1,500
1,500
isolation resistance
MΩ
1,000
safety approvals
UL 60950-1
RoHS compliant
yes
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units
Vdc
Vdc
Vdc
10
isolation capacitance
max
pF
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CUI Inc │ SERIES: VHB50W │ DESCRIPTION: DC-DC CONVERTER
date 04/01/2013 │ page 3 of 4
ENVIRONMENTAL
parameter
conditions/description
min
case operating temperature
storage temperature
humidity
max
units
-40
typ
100
°C
-55
105
°C
95
%
max
units
non-condensing
MECHANICAL
parameter
conditions/description
dimensions
57.9 x 61.0 x 12.7 (2.28 x 2.40 x 0.5 inch)
min
case material
aluminum
typ
mm
weight
94
g
MECHANICAL DRAWING
units: mm [inches]
tolerance: ±0.25mm [±0.01 inches]
pin tolerance: ±0.5mm [±0.02 inches]
4.60 0.181
57.90 2.280
12.70 0.500
2.03 0.080
(2 PLCS)
50.80 2.000
(2 PLCS)
4
5
3
6
15.24 0.600
(2 PLCS)
M3X0.5 THROUGH
(4 PLCS)
7
2
8
1
9
61.00 2.402
35.56 1.400
(2 PLCS)
1.02 0.040
(7 PLCS)
R1.50 0.059
(2 PLCS)
48.25 1.900
BOTTOM VIEW
Note:
All specifications measured at 25°C, nominal input voltage, and full load unless otherwise noted.
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PIN CONNECTIONS
PIN
FUNCTION
1
+Vin
2
On/Off
3
CASE
4
-Vin
5
-Vo
6
-S
7
TRIM
8
+S
9
+Vo
For more information, please visit the product page.
CUI Inc │ SERIES: VHB50W │ DESCRIPTION: DC-DC CONVERTER
date 04/01/2013 │ page 4 of 4
REVISION HISTORY
rev.
description
date
1.0
initial release
09/07/2006
1.01
new template applied
08/05/2011
1.02
add remote on/off control to the part number key
11/23/2011
1.03
features updated
12/20/2011
1.04
updated trim note, updated pin references
04/20/2012
1.05
updated spec
04/01/2013
The revision history provided is for informational purposes only and is believed to be accurate.
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Tualatin, OR 97062
800.275.4899
Fax 503.612.2383
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[email protected]
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CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical
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affect its safety or effectiveness.
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