Additional Resources: Product Page 3D Model PCB Footprint date 08/17/2021 page 1 of 8 SERIES: V78-500-SMT DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR FEATURES 500 mA current output high efficiency up to 96% no heat sink required SMT package remote on/off control low ripple and noise short circuit protection, thermal shutdown wide temperature (-40C~+85C) RoHS input output output output ripple and efficiency MODEL 1 voltage voltage current power noise typ range max max Vin min Vin max (Vdc) (Vdc) (Vdc) (mA) (W) (mVp-p) (%) (%) V7803-500-SMT 12 4.5 ~ 28 3.3 500 1.65 25 90 75 V7805-500-SMT 12 6 ~ 28 5 500 2.5 25 94 81 2 V7812-500-SMT 24 14 ~ 28 12 500 6 25 95 90 2 V7815-500-SMT * 24 17 ~ 28 15 500 7.5 25 96 92 Notes: 1. ripple & noise are measured at 20 MHz BW with 1 F ceramic cap and 10 F electrolytic capacitors on the output 2. must operate with a minimum of 5% loading *. Discontinued model PART NUMBER KEY V78 XX - XXX -SMT- X Base Number Output Voltage Output Current Package Optionsblan = standard TR = Tape & Reel cui.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Inc SERIES: V78-500-SMT DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 08/17/2021 page 2 of 8 INPUT parameter conditions/description min typ max units 3.3 Vdc output 4.5 12 28 Vdc 5 Vdc output 6 12 28 Vdc input voltage 12 Vdc output 14 24 28 Vdc 15Vdc output 17 24 28 Vdc remote on/off shutdown 1.1 1.25 1.4 Vdc threshold voltage on: open or 1.5<Vc6V on/off control current 2 A off: GND or 0V<Vc<1V shutdown input current 15 30 A OUTPUT parameter conditions/description min typ max units max capacitive load 1000 F line regulation measured from low line to high line at 100% load 0.2 0.5 % load regulation measured from 10% to full load at nominal input 0.3 0.75 % voltage accuracy measured from low line to high line at 100% load 2 3 % 1 adjustability see application notes temperature coefficient 0.02 %/C Notes: 1. output voltage adjustment must meet Vin-Vo > 2V requirement PROTECTIONS parameter conditions/description min typ max units short circuit protection hiccup, continuous, automatic recovery thermal shutdown internal IC junction 160 C current limit 1.8 A SAFETY AND COMPLIANCE parameter conditions/description min typ max units RoHS 2011/65/EU MTBF as per MIL-HDBK-217F, 25C 2,000,000 hours ENVIRONMENTAL parameter conditions/description min typ max units case operating temperature 100 C operating temperature see derating curve -40 85 C storage temperature -55 125 C storage humidity 95 % hand soldering for 10 seconds 300 C at maximum duration time 60s at 217C 240 C reflow soldering refer to IPC/JEDEC J-STD-020D.1 cui.com