Datasheet

ManualsBrandsCUI INC ManualsPSU ComponentsDC/DC converter (print) 3.3 V 500 mA 1.65 W No. of outputs: 1 x

cui.com

date 04/21/2015

page

1 of 5

SERIES: V78W-500 │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR

MODEL

input

voltage

output

voltage

output

current

output

power

ripple and

noise

efciency

level

range

(Vdc) (Vdc)

min

(mA)

max

(mA)

max

(W)

max

(mVp-p)

typ

(%)

V7803W-500 9 ~ 72 3.3 10 500 1.65 60 82

V7805W-500 9 ~ 72 5 10 500 2.5 60 87

V7806W-500 9 ~ 72 6.5 10 500 3.25 60 91

V7809W-500 14 ~ 72 9 10 500 4.5 60 92

V7812W-500 17 ~ 72 12 10 500 6 60 93

V7815W-500 20 ~ 72 15 10 500 7.5 60 94

V7824W-500

36 ~ 72 24 6 300 7.2 60 95

Notes: 1. 20MHz bandwidth, from 10% to 100% load

2. Measured at Vin min and 100% load

3. V7824W-500 output current is 300 mA (max)

date 04/21/2015

page

1 of 5

FEATURES

• up to 500 mA current output

• extremly high efficiency up to 95%

• no heatsink required

• pin comparable to LM78 linear regulators

• available in straight and right angle SIP packages

• up to 8:1 ultra wide input

• low ripple and noise

• short circuit protections

• wide temperature (-40°C ~ 85°C)

RoHS

PART NUMBER KEY

V78 XX W - XXX X

Output VoltageBase Number Output Current blank = standard

R = Right Angle

For more information, please visit the product page.

Summary of content (5 pages)

PAGE 1
For more information, please visit the product page.
PAGE 2
For more information, please visit the product page. CUI Inc │ SERIES: V78W-500 │ DESCRIPTION: DC-DC CONVERTER date 04/21/2015 │ page 2 of 5 INPUT parameter operating input voltage conditions/description 3, 5, 6.5 V models 9 V model 12 V model 15 V model 24 V model min typ max units 9 14 17 20 36 48 48 48 48 48 72 72 72 72 72 Vdc Vdc Vdc Vdc Vdc min typ max units OUTPUT parameter conditions/description line regulation measured from low line to high line ±0.4 ±1.
PAGE 3
For more information, please visit the product page. CUI Inc │ SERIES: V78W-500 │ DESCRIPTION: DC-DC CONVERTER date 04/21/2015 │ page 3 of 5 MECHANICAL parameter conditions/description dimensions 11.5 x 9.0 x 17.5 mm (0.45 x 0.35 x 0.69 inch) min case material Plastic (UL94-V0) typ weight max units 4 g MECHANICAL DRAWING Units: mm [in] All pins on a 2.54mm pitch pin tolerance: ±0.10mm[±0.004in] general tolerance: ±0.25mm[±0.010in] general tolerance (right angle): ±0.50mm[±0.
PAGE 4
For more information, please visit the product page. CUI Inc │ SERIES: V78W-500 │ DESCRIPTION: DC-DC CONVERTER date 04/21/2015 │ page 4 of 5 TYPICAL APPLICATION CIRCUIT APPLICATION EXAMPLE High voltage input, multiple outputs, with greater load 1 +Vin V78W-500(R) 3 +Vout Reverse protection 1 +Vin V7812W-500(R) 3 +12V/100mA 2 C1 2 C1 V7805W-500(R) C2 F GND GND GND 1.
PAGE 5
For more information, please visit the product page. CUI Inc │ SERIES: V78W-500 │ DESCRIPTION: DC-DC CONVERTER date 04/21/2015 │ page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 09/28/2011 1.01 V-Infinity branding removed 09/06/2012 1.02 updated datasheet 04/21/2015 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 techsupport@cui.