Additional Resources: Product Page 3D Model PCB Footprint datdatee 09/21/202109/21/2021 pagepage 1 of 51 of 5 SERIES: V78W-500 DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR FEATURES up to 500 mA current output extremly high efficiency up to 95% no heatsink required pin comparable to LM78 linear regulators available in straight and right angle SIP packages up to 8:1 ultra wide input low ripple and noise short circuit protections wide temperature (-40C ~ 85C) RoHS input output output output ripple and efficiency MODEL 1 2 voltage voltage current power noise level range min max max max typ (Vdc) (Vdc) (mA) (mA) (W) (mVp-p) (%) V7803W-500 9 ~ 72 3.3 10 500 1.65 60 82 V7805W-500 9 ~ 72 5 10 500 2.5 60 87 V7806W-500 9 ~ 72 6.5 10 500 3.25 60 91 V7809W-500 14 ~ 72 9 10 500 4.5 60 92 V7812W-500 17 ~ 72 12 10 500 6 60 93 V7815W-500 20 ~ 72 15 10 500 7.5 60 94 3 V7824W-500 36 ~ 72 24 6 300 7.2 60 95 Notes: 1. 20MHz bandwidth, from 10% to 100% load 2. Measured at Vin min and 100% load 3. V7824W-500 output current is 300 mA (max) PART NUMBER KEY V78 XX W - XXX X Base Number Output Voltage Output Current blank = standard R = Right Angle cui.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Inc SERIES: V78W-500 DESCRIPTION: DC-DC CONVERTER date 09/21/2021 page 2 of 5 INPUT parameter conditions/description min typ max units 3, 5, 6.5 V models 9 48 72 Vdc 9 V model 14 48 72 Vdc operating input voltage 12 V model 17 48 72 Vdc 15 V model 20 48 72 Vdc 24 V model 36 48 72 Vdc OUTPUT parameter conditions/description min typ max units line regulation measured from low line to high line 0.4 1.0 % load regulation measured from 10% to full load 0.3 0.6 % voltage accuracy at 100% load 2 3 % switching frequency 100% load 120 800 kHz temperature coefficient -40C ~ +85C ambient 0.015 %/C quiescent current Vin = nominal, min. load 1 5 mA 100 mV tendencies load at 10% to 100% load 1.0 1.5 ms max capacitance load 100 F PROTECTIONS parameter conditions/description min typ max units short circuit protection continuous, automatic recovery short circuit input power Vin = nominal 0.72 1.2 W thermal shutdown 160 C current limit Vin = nominal 700 1200 mA SAFETY AND COMPLIANCE parameter conditions/description min typ max units thermal resistance 60 C/W EMI/EMC EN55022, class B (refer to page 4), IEC/EN 61000-4-2 level 4 RoHS compliant yes 25C (MIL-HDBK-217K) 3,500,000 hours MTBF 71C (MIL-HDBK-217K) 1,500,000 hours ENVIRONMENTAL parameter conditions/description min typ max units case operating temperature 65 100 C operating temperature power derating above 71C -40 85 C storage temperature -55 125 C storage humidity non-condensing 95 % cui.com