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datdatee 03/13/201303/13/2013
pagepage 1 of 41 of 4
SERIES: VHB150W DESCRIPTION: DC-DC CONVERTER
FEATURES
up to 150 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 89%
RoHS
input output output output ripple efficiency
MODEL
1
voltage voltage current power and noise
range max max max typ
(Vdc) (Vdc) (A) (W) (mVp-p) (%)
VHB150W-Q24-S3R3 9 ~ 36 3.3 30 99 100 85
VHB150W-Q24-S5 9 ~ 36 5 30 150 100 87
VHB150W-Q24-S12 9 ~ 36 12 12.5 150 150 88
VHB150W-Q24-S15 9 ~ 36 15 10 150 150 88
VHB150W-Q24-S24 9 ~ 36 24 6.50 156 240 88
VHB150W-Q24-S28 9 ~ 36 28 5.40 156 280 87
VHB150W-Q24-S48 9 ~ 36 48 3.12 150 480 84
VHB150W-Q48-S3R3 18 ~ 75 3.3 30 99 100 87
VHB150W-Q48-S5 18 ~ 75 5 30 150 100 89
VHB150W-Q48-S12 18 ~ 75 12 12.5 150 150 89
VHB150W-Q48-S15 18 ~ 75 15 10 150 150 89
VHB150W-Q48-S24 18 ~ 75 24 6.50 156 240 89
VHB150W-Q48-S28 18 ~ 75 28 5.40 156 280 88
VHB150W-Q48-S48 18 ~ 75 48 3.12 150 480 87
Notes: 1. ripple and noise are measured at 20 MHz BW with 10F tantalum capacitor and 1F ceramic capacitor across output
PART NUMBER KEY
VHB150W - QXX - SXX X
Base Number Input Voltage Output Voltage Remote On/Off Controlblan = positive logic
N = negative logic
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CUI Inc SERIES: VHB150W DESCRIPTION: DC-DC CONVERTER date 03/13/2013 page 2 of 4
INPUT
parameter conditions/description min typ max units
24 V input 9 24 36 Vdc
operating input voltage
48 V input 18 48 75 Vdc
24 V input 8.8 Vdc
power up
48 V input 17 Vdc
under voltage lockout
24 V input 8 Vdc
power down
48 V input 16 Vdc
1
positive logic remote on/off
filter PI type
Notes: 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 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 s
2
adjustability 10 %
switching frequency 100% load, input voltage range 250 kHz
temperature coefficient 0.03 %/C
Notes: 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 typ max units
over voltage protection %Vo 115 140 %
short circuit protection continuous
current limit % nominal output current 110 140 %
thermal shutdown case temp. 110 C
SAFETY AND COMPLIANCE
parameter conditions/description min typ max units
input to output 1,500 Vdc
isolation voltage input to case 1,500 Vdc
output to case 1,500 Vdc
isolation resistance 10 M
isolation capacitance 1,000 pF
3
safety approvals UL60950-1
RoHS compliant yes
Notes: 3. VHB150W-Q24-S48 and VHB150W-Q48-S48 models excluded
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