Datasheet
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
effi 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.