Additional Resources: Product Page 3D Model PCB Footprint datdatee 04/01/201304/01/2013 pagepage 1 of 41 of 4 SERIES: VHB75W DESCRIPTION: DC-DC CONVERTER FEATURES up to 75 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 85% 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) (%) VHB75W-Q24-S3R3 9 ~ 36 3.3 15 50 100 79 VHB75W-Q24-S5 9 ~ 36 5 15 75 100 82 VHB75W-Q24-S12 9 ~ 36 12 6.25 75 150 83 VHB75W-Q24-S15 9 ~ 36 15 5 75 150 84 VHB75W-Q24-S24 9 ~ 36 24 3.12 75 240 84 VHB75W-Q24-S48 9 ~ 36 48 1.56 75 480 82 VHB75W-Q48-S3R3 18 ~ 75 3.3 15 50 100 80 VHB75W-Q48-S5 18 ~ 75 5 15 75 100 83 VHB75W-Q48-S12 18 ~ 75 12 6.25 75 150 84 VHB75W-Q48-S15 18 ~ 75 15 5 75 150 85 VHB75W-Q48-S24 18 ~ 75 24 3.12 75 240 85 VHB75W-Q48-S48 18 ~ 75 48 1.56 75 480 84 Notes: 1. ripple and noise are measured at 20 MHz BW with 10F tantalum capacitor and 1F ceramic capacitor across output PART NUMBER KEY VHB75W - QXX - SXX X Base Number Input Voltage Output Voltage Remote On/Off Controlblan = positive logic N = negative logic cui.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Inc SERIES: VHB75W DESCRIPTION: DC-DC CONVERTER date 04/01/2013 page 2 of 4 INPUT parameter conditions/description min typ max units 9 24 36 Vdc operating input voltage 18 48 75 Vdc power up 24 V input 8.8 Vdc 48 V input 17 Vdc under voltage lockout power down 24 V input 8 Vdc 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 % transient response 25% step load change 500 s 2 adjustability 10 % switching frequency 100% load, input voltage range 300 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 110 160 % thermal shutdown case temp. 100 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 100 M safety approvals UL 60950-1 RoHS compliant yes ENVIRONMENTAL parameter conditions/description min typ max units case operating temperature -40 100 C storage temperature -55 105 C humidity non-condensing 95 % cui.com