For more information, please visit the product page. date 03/21/2014 page 1 of 6 SERIES: V78-1500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR FEATURES • • • • • • • • 1.5 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) input voltage MODEL output voltage output current ripple and noise1 efficiency typ (Vdc) range (Vdc) (Vdc) max (mA) max (mVp-p) Vin max (%) V7802-1500* 12 4.75~18 2.5 1,500 45 85 V7803-1500 12 4.75~18 3.3 1,500 45 88 V7805-1500 12 6.5~18 5 1,500 45 91 V7806-1500 12 8~18 6.5 1,500 45 93 Notes: 1. ripple and noise are measured at 20 MHz BW *. Discontinued PART NUMBER KEY V78 XX - 1500 X Base Number Output Voltage Output Current cui.com "blank" = straight pins R = 90° pins For more information, please visit the product page. CUI Inc │ SERIES: V78-1500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 03/21/2014 │ page 2 of 6 INPUT parameter conditions/description min typ max units operating input voltage 2.5 and 3.3 V outputs 5 V output 6.5 V output 4.75 6.5 8 12 12 12 18 18 18 Vdc Vdc Vdc parameter conditions/description min typ max units line regulation Vin = min ~ max, at full load ±0.5 ±0.75 % load regulation measured from 10% load to full load ±0.5 ±1.0 % OUTPUT voltage accuracy 100% load switching frequency 100% load, input voltage range 300 temperature coefficient ±2 ±3 % 340 380 kHz ±0.02 %/°C PROTECTIONS parameter conditions/description min short circuit protection continuous, automatic recovery thermal shutdown typ max 150 units °C SAFETY AND COMPLIANCE parameter conditions/description EMI/EMC EN 55022 class B, EN 61000-4-2 class A min MTBF RoHS typ max 2,000,000 units hours 2011/65/EU ENVIRONMENTAL parameter max units operating temperature conditions/description min -40 typ 85 °C storage temperature -55 125 °C 100 °C 95 % case temperature storage humidity non-condensing temperature rise at full load lead temperature 1.5 mm from case for 10 seconds 25 cui.com °C 300 °C For more information, please visit the product page. CUI Inc │ SERIES: V78-1500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 03/21/2014 │ page 3 of 6 DERATING CURVES 1. output power vs. ambient temperature Load (%) 100 80 60 40 20 -40 -20 0 20 40 60 71 85 100 120 Ambient Temperature (°C) MECHANICAL parameter conditions/description dimensions 0.689 x 0.354 x 0.453 (11.50 x 9.00 x 17.50 mm) min case material plastic (UL94-V0) typ max units inch weight 4.0 g MECHANICAL DRAWING units: mm [inches] tolerance: ±0.25 [±0.010] pin section tolerance: ±0.10 mm [±0.004] V78XX-1500 V78XX-1500R 9.00 [0.354] 17.50 [0.689] 9.00 [0.354] 0.50 [0.020] 11.50[0.453] 0.50 [0.020] 11.50[0.453] 17.50 [0.689] 4.10[0.161] 4.10 [0.161] 1.50 [0.059] 2.15 [0.085] 5.08[0.200] 5.08 [0.200] 1.00 [0.039] (Bottom View) 1 2 3 0.30 [0.012] 0.50 [0.020] 1 2 3 2.54 [0.100] 2.15 [0.085] 2.15 [0.085] (Bottom View) 1 2 5.08 [0.200] 5.08 [0.200] 1.35 [0.053] 1 3 2 3 2.54 [0.100] 1.00 [0.039] PIN CONNECTIONS PIN FUNCTION 1 +Vin 2 GND 3 +Vo cui.com For more information, please visit the product page. CUI Inc │ SERIES: V78-1500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 03/21/2014 │ page 4 of 6 EXTERNAL CAPACITOR TABLE Part Number C1 (Ceramic capacitor) C2 (Ceramic capacitor) V7802-1500 10μF/25V 22μF/6.3V V7803-1500 10μF/25V 22μF/6.3V V7805-1500 10μF/25V 22μF/16V V7806-1500 10μF/25V 22μF/16V TYPICAL APPLICATION CIRCUIT APPLICATION EXAMPLE Positive Output 1 V78XX-1500(R) 3 +Vin 1 Vin V78XX-1500(R) 3 C3 +Vout +Vout C4 2 GND 2 C1 GND C1 C2 1 V78XX-1500(R) 3 GND GND 2 C2 Negative Output -Vout GND GND C1 Note: +Vin 1 V78XX-1500(R) 3 2 1. C1 and C2 are required and should be fitted close to the converter pins. 2. The capacitance of C1and C2 sees external capacitor table, it can be increased properly if required, and tantalum or low ESR electrolytic capacitors may also suffice. 3. No parallel connection or plug and play. C2 -Vout INPUT FILTER CIRCUIT 1 0 u H-4 7 u H Vin Vin Vo Vout GND 10uF 10uF GND GND OUTPUT FILTER CIRCUIT 1 0 u H-4 7 u H Vin Vin Vo GND 10uF 10uF GND cui.com 22uF RL For more information, please visit the product page. CUI Inc │ SERIES: V78-1500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 03/21/2014 │ page 5 of 6 EMC RECOMMENDED CIRCUIT 1 mH Vin Vin Vout Vo GND 2.2 uF 330 uF 1u F GND GND 1mH TEST CONFIGURATION Efficiency and Output Voltage Ripple Test 25. 4mm 25.4mm 12.7mm D C /D C C onverter 3 1 F 2 C1 +Vout Copper strip C2 10 F Ceramic Tantalum Scope Load 1 2.54 mm Vin GND Copper stri p Start-up and Load Transient Response Test D C /D C C onverter 2 C1 +Vou t Copper strip 3 Scope C2 Load 1 2.54 mm Vin 50.8 m m GND Copper strip EFFICIENCY AND RIPPLE CURVES Efficiency Ripple Efficiency VS. Input voltage Ripple VS. Load(Vin=nominal) 37 32 R ipple(m V ) E ffic ie n c y ( % ) V7802-1500 V7803-1500 V7805-1500 V7806-1500 27 V7802-1500 22 17 V7803-1500 V7805-1500 V7806-1500 12 7 2 150 300 450 600 750 900 1050 1200 1350 1500 Input voltage(V) Load(mA) Ripple VS.Input voltage(full load) Efficiency VS.Load(Vin=nominal) 90 V7802-1500 80 R ip p le ( m V ) E ffic ie n c y ( % ) 100 V7803-1500 V7805-1500 70 V7806-1500 60 50 150 300 450 600 750 900 1050 1200 1350 1500 45 40 35 30 25 20 15 10 5 0 V7802-1500 V7803-1500 V7805-1500 V7806-1500 4.75 5 Load(mA) 6 6.5 7.2 8 9 10 12 15 18 20 Input voltage(V) cui.com For more information, please visit the product page. CUI Inc │ SERIES: V78-1500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 03/21/2014 │ page 6 of 6 REVISION HISTORY rev. description date 1.0 initial release 07/16/2010 1.01 V-Infinity branding removed 09/04/2012 1.02 updated typical application circuits 09/25/2012 discontinued model V7802-1500 03/21/2014 1.03 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] 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.