Additional Resources: Product Page 3D Model PCB Footprint date 09/16/2020 page 1 of 6 SERIES: V78-1000-SMT DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR FEATURES 1 A current output high efficiency up to 93% 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 2 voltage voltage current power noise level range max max typ (Vdc) (Vdc) (mA) (W) (mVp-p) (%) V7801-1000-SMT* 4.75 ~ 15 1.5 1,000 1.5 35 76 V7801A-1000-SMT* 4.75 ~ 15 1.8 1,000 1.8 35 79 V7802-1000-SMT* 5 ~ 18 2.5 1,000 2.5 35 83 V7803-1000-SMT 5 ~ 18 3.3 1,000 3.3 35 84 V7805-1000-SMT 7 ~ 18 5.0 1,000 5 35 90 V7806-1000-SMT* 8.5 ~ 18 6.5 1,000 6.5 35 93 Notes: 1. 20 MHz bandwidth 2. Measured at Vin min. and 100% load *. 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: V78-1000-SMT DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 09/16/2020 page 2 of 6 INPUT parameter conditions/description min typ max units 1.5, 1.8 Vdc models 4.75 12 15 Vdc 2.5, 3.3 Vdc models 5.0 12 18 Vdc operating input voltage 5.0 Vdc model 7.0 12 18 Vdc 6.5 Vdc model 8.5 12 18 Vdc input filter capacitor 10 F on: open or 1.2 < Vc 6 V remote on/off off: Vc < 0.6 V on: open or 1.2 < Vc 6 V on/off control current 100 200 A off: GND or Vc < 0.4 V shutdown input current 120 200 A OUTPUT parameter conditions/description min typ max units max capacitive load 1,000 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 0.4 1.0 % voltage accuracy measured from low line to high line at 100% load 2 3 % 1.8 Vdc model 1.5 3.6 Vdc 2.5 Vdc model 1.5 3.9 Vdc 1 adjustability 3.3 Vdc model 1.8 5.5 Vdc 5.0 Vdc model 2.5 6.5 Vdc switching frequency PWM type 1.4 MHz temperature coefficient -40 C ~ +85 C ambient 0.02 %/C Notes: 1. Output voltage adjustment must meet Vin-Vo > 2V requirement, see adjustment resistor values on page 4. Not availabe on 1.5 or 6.5 Vdc output models. PROTECTIONS parameter conditions/description min typ max units short circuit protection hiccup, continuous, automatic recovery thermal shutdown internal IC junction 150 C current limit 1.8 A SAFETY AND COMPLIANCE parameter conditions/description min typ max units thermal resistance 90 C/W CISPR22/EN55022 class A (without external circuit) conducted emissions CISPR22/EN55022 class B (external circuit required, see Figure 1-b) CISPR22/EN55022 class A rediated emissions (external circuit required, see Figure 1-b) IEC/EN 61000-4-2, class B, contact 6KV/ Air ESD 8KV radiated immunity IEC/EN 61000-4-3, class A, 10V/m IEC/EN 61000-4-4, class B, 2KV EFT/burst (external circuit required, see Figure 1-a) IEC/EN 61000-4-5, class B, 2KV surge (external circuit required, see Figure 1-a) conducted immunity IEC/EN 61000-4-6, class A, 3 Vr.ms voltage dips & interruptions IEC/EN 61000-4-29, class B, 0%-70% MTBF as per MIL-HDBK-217F, 25 C 1,000,000 hours RoHS 2011/65/EU cui.com