Datasheet

ManualsBrandsCUI INC ManualsPSU ComponentsDC/DC converter (print) 6.5 V 1000 mA 6.5 W No. of outputs: 1 x

cui.com

date 08/27/2014

page

1 of 7

SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR

date 08/27/2014

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

voltage

output

current

ripple

and noise

efciency

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 Conguration section.

V78 XX - 1000 X

Output Voltage Output Current

Base Number

"blank" = straight pins

R = 90° pins

For more information, please visit the product page.

Summary of content (7 pages)

PAGE 1
For more information, please visit the product page.
PAGE 2
For more information, please visit the product page. 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 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.
PAGE 3
For more information, please visit the product page. 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 Load (%) 100 80 60 40 20 -40 -20 0 20 40 60 71 85 100 120 Ambient Temperature (°C) MECHANICAL parameter conditions/description dimensions 11.50 x 9.00 x 17.50 (0.689 x 0.354 x 0.453 inch) min case material plastic (UL94-V0) typ max units mm weight 3.
PAGE 4
For more information, please visit the product page. 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.
PAGE 5
For more information, please visit the product page. CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 08/27/2014 │ page 5 of 7 EFFICIENCY AND RIPPLE CURVES Efficiency Ripple Ripple (mV) Efficiency(%) 40 100 35 90 80 V7803-1000 30 V7805-1000 25 V7812-1000 V7806-1000 12 16 20 24 28 32 V7809-1000 V7815-1000 10 60 8 V7812-1000 V7806-1000 15 V7815-1000 4.75 V7805-1000 20 V7809-1000 70 V7803-1000 5 Vin(V) 4.
PAGE 6
For more information, please visit the product page. CUI Inc │ SERIES: V78-1000 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 08/27/2014 │ page 6 of 7 TEST CONFIGURATION Efficiency and Output Voltage Ripple Test 25.4mm 25.4mm 12.7mm 2 C1 Copper strip C2 1 F +Vout 10 F Ceramic Tantalum Scope GND Load 3 Load DC/DC Converter 2.54 mm 1 2.54 mm Vin Copper strip Start-up and Load Transient Response Test Vin 1 C1 DC/DC Converter 50.
PAGE 7
For more information, please visit the product page. 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 not recommended for use as an inverter 08/27/2014 1.