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VHB350-D24-S24

P1-P3P4-P4
SERIES: VHB350 │ DESCRIPTION: DC-DC CONVERTER
cui.com
date 03/14/2013
page
1 of 4
FEATURES
• up to 350 W isolated output
• industry standard half brick package
• 2:1 input range (18~36 V, 36~75 V)
• single output from 3.3~28 V
• 1,500 V isolation
• over current, over temperature, over voltage,
and short circuit protections
• remote on/off
• efficiency up to 92.5%
RoHS
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
(%)
VHB350-D24-S3R3 18 ~ 36 3.3 70 231 100 88
VHB350-D24-S5 18 ~ 36 5 70 350 100 89.5
VHB350-D24-S12 18 ~ 36 12 29.2 350 120 91.5
VHB350-D24-S24 18 ~ 36 24 14.6 350 280 90
VHB350-D24-S28 18 ~ 36 28 12.5 350 280 91
VHB350-D48-S3R3 36 ~ 75 3.3 70 231 100 89
VHB350-D48-S5 36 ~ 75 5 70 350 100 91
VHB350-D48-S12 36 ~ 75 12 29.2 350 120 92.5
VHB350-D48-S24 36 ~ 75 24 14.6 350 280 91.5
VHB350-D48-S28 36 ~ 75 28 12.5 350 280 92.5
Notes: 1. Ripple and noise are measured at 20 MHz BW with 10µF tantalum capacitor and 1µF ceramic capacitor across output
VHB350 - DXX - SXX X
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: VHB350 │ DESCRIPTION: DC-DC CONVERTER date 03/14/2013 │ page 2 of 4
INPUT
parameter conditions/description min typ max units
operating input voltage
18
36
24
48
36
75
Vdc
Vdc
surge voltage
1
24 V input
48 V input
50 Vdc
under voltage lockout
power up
24 V input
48 V input
16
34
17
35
18
36
Vdc
Vdc
power down
24 V input
48 V input
15
32
16
33
17
35
Vdc
Vdc
over voltage protection
turn on
24 V input
48 V input
38
77
Vdc
Vdc
turn off
24 V input
48 V input
40
80
Vdc
Vdc
positive logic remote on/off see note 2
lter PI type
Notes: 1. 100 ms max
2. logic compatibility, open collector ref to -input
Module ON, >3.5 to 75 Vdc or open circuit
Module OFF, <1.2 Vdc
OUTPUT
parameter conditions/description min typ max units
line regulation measured from high line to low line ±0.2 %
load regulation measured from full load to zero load ±0.2 %
voltage accuracy ±1.5 %
transient response 25% step load change 500 µs
adjustability
3
±10 %
switching frequency
3.3 and 5 V models
all other models
300
330
kHz
kHz
temperature coefcient ±0.03 %/°C
Notes: 3. 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 typ max units
over voltage protection %Vo 115 140 %
short circuit protection continuous
current limit 105 140 %
thermal shutdown case temp. 110 °C
SAFETY AND COMPLIANCE
parameter conditions/description min typ max units
isolation voltage
input to output
input to case
output to case
1,500
1,500
1,500
Vdc
Vdc
Vdc
isolation resistance 10
MΩ
isolation capacitance 1,000
pF
safety approvals UL60950-1, EN60950-1
RoHS compliant yes
For more information, please visit the product page.
cui.com
CUI Inc │ SERIES: VHB350 │ DESCRIPTION: DC-DC CONVERTER date 03/14/2013 │ page 3 of 4
ENVIRONMENTAL
parameter conditions/description min typ max units
case operating temperature -40 100 °C
storage temperature -55 105 °C
humidity non-condensing 95 %
MECHANICAL
parameter conditions/description min typ max units
dimensions 2.28 x 2.40 x 0.52 inch (57.9 x 61.0 x 13.2 mm)
case material aluminum baseplate with plastic
weight 114 g
MECHANICAL DRAWING
0.0401.02
(5 PLCS)
0.52013.20
(TYP)
MIN
4.60 0.181
2.03 0.080
(4 PLCS)
1
5
6
8
9
7
4
3
2
BOTTOM VIEW
35.56 1.400
1.89848.20
2.40261.00
2.280
0.098
57.90
2.50
0.60015.24
50.80
2.000
PIN CONNECTIONS
PIN FUNCTION
1 +Vin
2 On/Off
3 CASE
4 -Vin
5 -Vo
6 -S
7 TRIM
8 +S
9 +Vo
All dimensions in mm(inches):
Note: All specications measured at 25°C, nominal input voltage, and full load unless otherwise noted.
For more information, please visit the product page.
P1-P3P4-P4

VHB350-D24-S24

Mfr. #:
Buy VHB350-D24-S24
Manufacturer:
CUI Inc
Description:
Isolated DC/DC Converters dc-dc isolated, 350 W, 18~36 Vdc input, 24 Vdc, 14.6 A, single output, DIP
Lifecycle:
New from this manufacturer.
Delivery:
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