V78-1000_V01 CUI | Alldatasheet

Document overview

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  • PDF pages: 7

Technical content

cui.com date 09/22/2021 page 1 of 7 SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 09/22/2021 page 1 of 7

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 PART NUMBER KEY MODEL input voltage output voltage1 output current ripple and noise2 efficiency typ (Vdc) range (Vdc) (Vdc) max (mA) max (mVp-p) Vin min (%) Vin max (%) 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. V78 XX - 1000 X Output Voltage Output CurrentBase Number "blank" = straight pins R = 90° pins Additional Resources: Product Page | 3D Model | PCB Footprint

cui.com CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 09/22/2021 │ page 2 of 7 INPUT parameter conditions/description min typ max units operating input voltage

3.3 Vdc model

5 Vdc model

6.5 Vdc model

9 Vdc model

12 Vdc model

15 Vdc model

4.75 6.5 9.0 Vdc Vdc Vdc Vdc Vdc 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 Additional Resources: Product Page | 3D Model | PCB Footprint

cui.com CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 09/22/2021 │ page 3 of 7 MECHANICAL parameter conditions/description min typ max units case material plastic (UL94-V0) weight 3.7 g V78XX-1000 V78XX-1000R (Botto mV iew) 0.30 [0.012] 0.50 [0.020] 4.10 [0.161] 17.50[ 0.689] 0.50 [0.020] 2.15 [0.085] 5.08 [0.200] 12 3 9.00 [0.354] 2.15 [0.085] 4.10[0.161] 17.50 [0.689] 0.50 [0.020] 5.08 [0.200] 11.50[0.453] 1.50 [0.059] 1 2 3 (BottomV iew) 2.54 [0.100] 1.00 [0.039] 12 3 2.54 [0.100] 2.15 [0.085] 5.08 [0.200] 1.00 [0.039] MECHANICAL DRAWING PIN CONNECTIONS PIN FUNCTION 1 +Vin

2 GND

units: mm [inches] tolerance: ±0.25 [0.010] pin section tolerance: ±0.10 [0.004] DERATING CURVES Additional Resources: Product Page | 3D Model | PCB Footprint

cui.com CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 09/22/2021 │ 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 OUTPUT RIPPLE REDUCTION Vin GND +Vou t

1 DC /D C

L To reduce output ripple, it is recommended to add a LC filter in output port. L: Recommended parameter 10 H~47 H. TYPICAL APPLICATION CIRCUIT 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. Additional Resources: Product Page | 3D Model | PCB Footprint

cui.com CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 09/22/2021 │ page 5 of 7 EFFICIENCY AND RIPPLE CURVES Additional Resources: Product Page | 3D Model | PCB Footprint

cui.com CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 09/22/2021 │ page 6 of 7 TEST CONFIGURATION Note: All specifications measured at 25°C, humidity <75%, nominal input voltage, and full load unless otherwise noted. Efficiency and Output Voltage Ripple Test Start-up and Load Transient Response Test Additional Resources: Product Page | 3D Model | PCB Footprint

CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 09/22/2021 │ page 7 of 7 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. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com techsupport@cui.com 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 1.05 company logo updated 04/14/2021 1.06 derating curve, efficiency curves and circuit figures updated 09/22/2021 The revision history provided is for informational purposes only and is believed to be accurate.

REVISION HISTORY

Additional Resources: Product Page | 3D Model | PCB Footprint