Additional Resources: Product Page 3D Model datdatee 09/07/2021 pagepage 1 of 81 of 8 SERIES: VHK150W DESCRIPTION: DC-DC CONVERTER FEATURES up to 150 W isolated output rugged metal enclosure with integrated heat sink 4:1 input range (9~36 Vdc, 18~75 Vdc) single output from 5~48 Vdc 1,500 Vdc isolation over current, over temperature, over voltage, and short circuit protections remote on/off efficiency up to 90% 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) (%) VHK150W-Q24-S5 9 ~ 36 5 25 125 100 87 VHK150W-Q24-S12 9 ~ 36 12 12.5 150 150 86 VHK150W-Q24-S15 9 ~ 36 15 10 150 150 86 VHK150W-Q24-S24 9 ~ 36 24 6.5 156 240 86.5 VHK150W-Q24-S28 9 ~ 36 28 5.4 150 280 87 VHK150W-Q24-S48 9 ~ 36 48 3.12 150 480 84 VHK150W-Q48-S5 18 ~ 75 5 25 125 100 90 VHK150W-Q48-S12 18 ~ 75 12 12.5 150 150 88 VHK150W-Q48-S15 18 ~ 75 15 10 150 150 88 VHK150W-Q48-S24 18 ~ 75 24 6.5 156 240 87.5 VHK150W-Q48-S28 18 ~ 75 28 5.4 150 280 89 VHK150W-Q48-S48 18 ~ 75 48 3.12 150 480 87 Note: 1. Ripple and noise are measured at full load, 20 MHz BW with 10F tantalum capacitor and 1F ceramic capacitor across output. PART NUMBER KEY VHK150W - 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 CUI Inc SERIES: VHK150W DESCRIPTION: DC-DC CONVERTER date 09/07/2021 page 2 of 8 INPUT parameter conditions/description min typ max units 24 Vdc input models 9 24 36 Vdc operating input voltage 48 Vdc input models 18 48 75 Vdc power up 8.8 Vdc 24 Vdc input power down 8 Vdc under voltage shutdown power up 17 Vdc 48 Vdc input power down 16 Vdc models ON (>3.5 Vdc or open circuit) positive logic models OFF (0~1.8 Vdc) 1 CTRL models ON (0~1.8 Vdc) negative logic models OFF (>3.5 Vdc or open circuit) filter pi filter 30A time delay fuse for 24 Vin models, input fuse 15A time delay fuse for 48 Vin models Note: 1. Open collector refer to -Vin OUTPUT parameter conditions/description min typ max units 5 V output models 30,000 F 12 V output models 12,500 F 15 V output models 10,000 F maximum capacitive load 24 V input, 24 & 28 V output models 1,800 F 48 V input, 24 & 28 V output models 2,200 F 48 V output models 47 1,000 F 2 line regulation measured from high line to low line 0.2 % 2 load regulation measured from full load to zero load 0.2 % 2 voltage accuracy 1.5 % adjustability 10 % switching frequency 250 kHz transient response 25% step load change 500 s temperature coefficient 0.03 %/C Note: 2. A 47 F aluminum capacitor is required on the output for 48 Vdc output models. PROTECTIONS parameter conditions/description min typ max units short circuit protection continuous over current protection % nominal output current 110 140 % over voltage protection 115 140 % over temperature protection shutdown 110 C SAFETY AND COMPLIANCE parameter conditions/description min typ max units for 1 minute: input to output input to case isolation voltage 1,500 Vdc output to case isolation resistance 10 M RoHS 2011/65/EU (CE) ENVIRONMENTAL parameter conditions/description min typ max units operating temperature see derating curve -40 85 C storage temperature -55 105 C cui.com