Datasheet
cui.com
date 12/16/2013
page
1 of 9
SERIES: VHK75W │ DESCRIPTION: DC-DC CONVERTER
date 12/16/2013
page
1 of 9
PART NUMBER KEY
MODEL
input
voltage
output
voltage
output
current
output
power
ripple
and noise
1
efciency
range
(Vdc) (Vdc)
max
(A)
max
(W)
max
(mVp-p)
typ
(%)
VHK75W-Q24-S3R3 9 ~ 36 3.3 15 50 100 77
VHK75W-Q24-S5 9 ~ 36 5 15 75 100 80
VHK75W-Q24-S12 9 ~ 36 12 6.25 75 150 81.5
VHK75W-Q24-S15 9 ~ 36 15 5 75 150 82.5
VHK75W-Q24-S24 9 ~ 36 24 3.12 75 240 83
VHK75W-Q24-S48 9 ~ 36 48 1.56 75 480 80
VHK75W-Q48-S3R3 18 ~ 75 3.3 15 50 100 78
VHK75W-Q48-S5 18 ~ 75 5 15 75 100 81
VHK75W-Q48-S12 18 ~ 75 12 6.25 75 150 82.5
VHK75W-Q48-S15 18 ~ 75 15 5 75 150 83.5
VHK75W-Q48-S24 18 ~ 75 24 3.12 75 240 84
VHK75W-Q48-S48 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.
VHK75W - QXX - SXX X
Input Voltage Output Voltage
Base Number
Remote On/Off Control
"blank" = positive logic
N = negative logic
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%
For more information, please visit the product page.