Additional Resources: Product Page | 3D Model | PCB Footprint ddaattee 0088//2277//22001144 ppaaggee 11 ooff 77 SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR FEATURES • 1 A current output • extremely high efficiency up to 97% • no heat sink required • pin compatible to LM78XX linear regulators • available in straight and right angle SIP packages • low ripple and noise • short circuit protection, thermal shutdown • wide temperature (-40~85°C) RoHS MODEL input output output ripple efficiency voltage voltage1 current and noise2 typ range max max Vin min Vin max (Vdc) (Vdc) (Vdc) (mA) (mVp-p) (%) (%) V7803-1000 24 4.75~28 3.3 1,000 35 90 83 V7805-1000 24 6.5~32 5 1,000 35 93 88 V7806-1000 24 9~32 6.5 1,000 35 94 90 V7809-1000 24 12~32 9 1,000 35 95 92 V7812-1000 24 16~32 12 1,000 35 96 94 V7815-1000 24 20~32 15 1,000 35 97 94 Notes: 1. Not recommended for use in a negative output mode. 2. Ripple and noise are measured at 20 MHz BW, see Test Configuration section. PART NUMBER KEY V78 XX - 1000 X Base Number Output Voltage Output Current "blank" = straight pins R = 90° pins cui.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 08/27/2014 │ page 2 of 7 INPUT parameter conditions/description min typ max units 3.3 Vdc model 4.75 24 28 Vdc 5 Vdc model 6.5 24 32 Vdc 6.5 Vdc model 9.0 24 32 Vdc operating input voltage 9 Vdc model 12 24 32 Vdc 12 Vdc model 16 24 32 Vdc 15 Vdc model 20 24 32 Vdc OUTPUT parameter conditions/description min typ max units line regulation Vin = min ~ max, at full load ±0.2 ±0.4 % load regulation measured from 10% load to full load ±0.4 ±0.6 % voltage accuracy 100% load ±2 ±3 % switching frequency 100% load, input voltage range 280 330 450 kHz temperature coefficient ±0.02 %/°C load capacitance 1,000 μF PROTECTIONS parameter conditions/description min typ max units short circuit protection continuous, automatic recovery thermal shutdown 150 °C SAFETY AND COMPLIANCE parameter conditions/description min typ max units MTBF as per MIL-HDBK-217F, 25°C 2,000,000 hours RoHS compliant 2011/65/EU ENVIRONMENTAL parameter conditions/description min typ max units operating temperature see derating curve -40 85 °C storage temperature -55 125 °C case temperature 100 °C storage humidity non-condensing 95 % lead temperature 1.5 mm from case for 10 seconds 300 °C cui.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 08/27/2014 │ page 3 of 7 DERATING CURVES 1. output power vs. ambient temperature 100 %) 80 d ( 60 a o L 40 20 -40 -20 0 20 40 60 71 85 100 120 Ambient Temperature (°C) MECHANICAL parameter conditions/description min typ max units dimensions 11.50 x 9.00 x 17.50 (0.689 x 0.354 x 0.453 inch) mm case material plastic (UL94-V0) weight 3.7 g MECHANICAL DRAWING units: mm [inches] tolerance: ±0.25 [0.010] pin section tolerance: ±0.10 [0.004] V78XX-1000 V78XX-1000R 11.50[0.453] 9.00 [0.354] 11.50[0.453] 9.00 [0.354] 0] 17.50[0.689] 50[0.020] 17.50 [0.689] 0.50[0.02 4.10[0.161] 0. 1.50 4.10 [0.161] [0.059] 5.08 [0.200] [02..01855] 5.08 [0.200] 0] 1.35 [0.053] 0 5.08 [0.200] 1.00 [0.039] (BottomView) [0.2 8 (BottomView) 0 5. [02.0.1855] 1 2 3 0.50 [0 .[0002..0031]02] 2.15[0.085] 1 2 3 2.54[0.100] 1 2 3 2.54 [0.100] 1.00 [0.039] PIN CONNECTIONS PIN FUNCTION 1 +Vin 2 GND 3 +Vo cui.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 08/27/2014 │ page 4 of 7 EXTERNAL CAPACITOR TABLE Part Number C12 (Ceramic capacitor) C2 (Ceramic capacitor) V7803-1000(R) 10μF/50V 22μF/6.3V V7805-1000(R) 10μF/50V 22μF/16V V7806-1000(R) 10μF/50V 10μF/16V V7809-1000(R) 10μF/50V 10μF/16V V7812-1000(R) 10μF/50V 10μF/25V V7815-1000(R) 10μF/50V 10μF/25V TYPICAL APPLICATION CIRCUIT 1 3 Vin V78XX-1000(R) +Vout 2 C1 C2 GND Notes: 1. C1 and C2 are required and should be fitted close to the converter pins. 2. If the input voltage is greater than 26 Vdc (3.3 Vdc output model) or greater than 28 Vdc (all other models), it is required to have C1 be ≥ 22 µF electrolytic capacitor to protect the part from voltage spikes. OUTPUT RIPPLE REDUCTION L Vin DC/DC +Vout 1 3 Converter 2 d C1 C2 oa 22 F L GND To reduce output ripple,it is recommended to add a LC filter in output port. L:Recommendedparameter10 H~47 H. cui.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 08/27/2014 │ page 5 of 7 EFFICIENCY AND RIPPLE CURVES Efficiency Ripple Efficiency(%) Ripple(mV) 100 40 35 90 VV77880033--11000000 30 V7803-1000 VV77880055--11000000 25 80 V7805-1000 VV77881122--11000000 VV77880066--11000000 20 V7812-1000 V7806-1000 70 VV77880099--11000000 15 V7809-1000 VV77881155--11000000 10 V7815-1000 60 4.75 8 12 16 20 24 28 32 Vin(V) 5 EfficiencyVSVin(FullLoad) 4.75 8 12 16 20 24 28 32 Vin (V) RippleVSVin( FullLoad) Efficiency(%) Ripple(mV) 100 20 95 15 90 V7803-1000 V7803-1000 85 V7805-1000 10 V7805-1000 V7812-1000 V7812-1000 80 V7806-1000 V7806-1000 5 75 V7809-1000 V7809-1000 V7815-1000 V7815-1000 70 0 65 40 80 200 400 600 800 1000 Load(mA) 40 80 200 400 600 800 1000 Load(mA) RippleVSLoad(Vin=Vin_min) EfficiencyVSLoad(Vin=Vin_min) Efficiency(%) Ripple(mV) 35 100 30 90 25 V7803-1000 80 V7803-1000 20 V7805-1000 V7805-1000 V7812-1000 70 V7812-1000 15 V7806-1000 V7806-1000 V7809-1000 10 60 V7809-1000 V7815-1000 V7815-1000 5 50 0 40 80 200 400 600 800 1000 Load(mA) 40 80 200 400 600 800 1000Load(mA) EfficiencyVSLoad(Vin=Vin_max) RippleVSLoad(Vin=24V) cui.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 08/27/2014 │ page 6 of 7 TEST CONFIGURATION Efficiencyand Output Voltage Ripple Test 25.4mm 25.4mm 12.7mm Vin DC/DC +Vout 1 3 Copperstrip Converter C1 2 C2 1 F 10 F Scope mm ad Ceramic Tantalum 54 Lo 2. GND Copperstrip Start-up and Load Transient Response Test 50.8mm Vin DC/DC +Vout 1 3 Copperstrip Converter m C1 2 C2 Scope 4m oad 5 L 2. GND Copperstrip Note: All specifications measured at 25°C, humidity <75%, nominal input voltage, and full load unless otherwise noted. cui.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 08/27/2014 │ page 7 of 7 REVISION HISTORY rev. description date 1.0 initial release 07/13/2010 1.01 V-Infinity branding removed 09/04/2012 1.02 updated typical application circuits 09/25/2012 1.03 corrected switching frequency values 04/22/2013 1.04 not recommended for use as an inverter 08/27/2014 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Fax 503.612.2383 Tualatin, OR 97062 cui.com 800.275.4899 techsupport@cui.com CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: C UI Inc.: V7812-1000R V7806-1000R V7805-1000 V7805-1000R V7803-1000 V7803-1000R V7812-1000 V7806-1000 V7809-1000R V7809-1000 V7815-1000 V7815-1000R