Datasheet

ManualsBrandsCUI INC ManualsPSU ComponentsDC/DC converter (print) 3.3 V 1.5 A 5 W No. of outputs: 1 x

cui.com

date 03/21/2014

page 1 of 6

SERIES: V78-1500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR

date 03/21/2014

page 1 of 6

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)

PART NUMBER KEY

MODEL

input

voltage

output

voltage

output

current

ripple

and noise

efﬁ ciency

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

V78 XX - 1500 X

Output Voltage Output Current

Base Number

"blank" = straight pins

R = 90° pins

For more information, please visit the product page.

Summary of content (6 pages)

PAGE 1
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.
PAGE 2
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.
PAGE 3
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.
PAGE 4
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.
PAGE 5
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.
PAGE 6
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.