Additional Resources: Product Page 3D Model datdatee 09/06/202109/06/2021 pagepage 1 of 81 of 8 SERIES: VHK100W DESCRIPTION: DC-DC CONVERTER FEATURES up to 100 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 87% 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) (%) VHK100W-Q24-S3R3 9 ~ 36 3.3 20 66 100 80 VHK100W-Q24-S5 9 ~ 36 5 20 100 100 82 VHK100W-Q24-S12 9 ~ 36 12 8.3 100 150 84 VHK100W-Q24-S15 9 ~ 36 15 6.7 100 150 85.5 VHK100W-Q24-S24 9 ~ 36 24 4.17 100 240 85 VHK100W-Q24-S28 9 ~ 36 28 3.57 100 280 86 VHK100W-Q24-S48 9 ~ 36 48 2.08 100 480 84 VHK100W-Q48-S3R3 18 ~ 75 3.3 20 66 100 79 VHK100W-Q48-S5 18 ~ 75 5 20 100 100 84.5 VHK100W-Q48-S12 18 ~ 75 12 8.3 100 150 85.5 VHK100W-Q48-S15 18 ~ 75 15 6.7 100 150 86.5 VHK100W-Q48-S24 18 ~ 75 24 4.17 100 240 87 VHK100W-Q48-S28 18 ~ 75 28 3.57 100 280 86 VHK100W-Q48-S48 18 ~ 75 48 2.08 100 480 85 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. PART NUMBER KEY VHK100W - 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: VHK100W DESCRIPTION: DC-DC CONVERTER date 09/06/2021 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 20A time delay fuse for 24 Vin models, input fuse 10A time delay fuse for 48 Vin models Note: 1. Open collector refer to -Vin OUTPUT parameter conditions/description min typ max units 3.3 and 5 V output models 20,000 F 12 V output models 8,300 F maximum capacitive load 15 V output models 6,700 F 24 & 28 V output models 2,200 F 48 V output models 47 470 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 105 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