Datasheet

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

cui.com

date 01/26/2016

page

1 of 6

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

MODEL

input

voltage

output

voltage

output

current

output

power

ripple and

noise

efciency

level

range

(Vdc) (Vdc) (mA)

max

(W)

max

(mVp-p)

typ

(%)

V7801-1000-SMT 4.75 ~ 15 1.5 1,000 1.5 35 76

V7801A-1000-SMT 4.75 ~ 15 1.8 1,000 1.8 35 79

V7802-1000-SMT 5 ~ 18 2.5 1,000 2.5 35 83

V7803-1000-SMT 5 ~ 18 3.3 1,000 3.3 35 84

V7805-1000-SMT 7 ~ 18 5.0 1,000 5 35 90

V7806-1000-SMT 8.5 ~ 18 6.5 1,000 6.5 35 93

Notes: 1. 20 MHz bandwidth

2. Measured at Vin min. and 100% load

date 01/26/2016

page

1 of 6

FEATURES

• 1 A current output

• high efficiency up to 93%

• no heat sink required

• SMT package

• remote on/off control

• low ripple and noise

• short circuit protection, thermal shutdown

• wide temperature (-40°C~+85°C)

RoHS

PART NUMBER KEY

V78 XX - XXX -SMT- X

Output VoltageBase Number Output Current Package Options

"blank" = standard

TR = Tape & Reel

For more information, please visit the product page.

Summary of content (6 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-SMT │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 01/26/2016 │ page 2 of 6 INPUT parameter conditions/description min typ max units operating input voltage 1.5, 1.8 Vdc models 2.5, 3.3 Vdc models 5.0 Vdc model 6.5 Vdc model 4.75 5.0 7.0 8.5 12 12 12 12 15 18 18 18 Vdc Vdc Vdc Vdc input filter capacitor remote on/off on: off: open or 1.2 < Vc ≤ 6 V Vc < 0.6 V on/off control current on: off: open or 1.
PAGE 3
For more information, please visit the product page. CUI Inc │ SERIES: V78-1000-SMT │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 01/26/2016 │ page 3 of 6 ENVIRONMENTAL parameter conditions/description min typ max units 100 °C -40 85 °C -55 125 °C case operating temperature opertaing temperature see derating curve storage temperature storage humidity 95 % hand soldering for 10 seconds 260 °C reflow soldering refer to IPC/JEDEC J-STD-020D.
PAGE 4
For more information, please visit the product page. CUI Inc │ SERIES: V78-1000-SMT │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR TYPICAL APPLICATION CIRCUIT DERATING CURVE V7805-1000-SMT 7,9 10 100 6 R1 C1 ON/OFF GND 120 Vo u t 5 1 C4 470pF Output Power (%) Vin C2 R2 GND 1. C1 and C2 are required for best performance and should be fitted close to the converter pins. 2. See the capacitor values for C1 and C2 in the external capacitor table below.
PAGE 5
For more information, please visit the product page. CUI Inc │ SERIES: V78-1000-SMT │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 01/26/2016 │ page 5 of 6 ADJUSTMENT RESISTOR VALUES MODEL V7801A-1000 V7802-1000 V7803-1000 Vadj (V) R1 (kΩ) R2 (kΩ) R1 (kΩ) R2 (kΩ) 1.5 188.1 - 15.4 1.8 - - 68.6 2.5 - 81.4 - 3.0 - 32.2 - 3.3 - 18.6 - 41.3 3.6 - 9.5 - 20.1 3.9 - - - 4.5 - - 4.9 - - 5.0 - 5.1 - 5.5 6.0 6.
PAGE 6
For more information, please visit the product page. CUI Inc │ SERIES: V78-1000-SMT │ DESCRIPTION: NON-ISOLATED SWITCHING REGULATOR date 01/26/2016 │ page 6 of 6 REVISION HISTORY rev. description date 1.0 initial release 11/23/2011 1.01 V-Infinity branding removed 09/04/2012 1.02 added TR package option 10/31/2012 housing width changed, EMC recommendations updated 01/26/2016 1.03 The revision history provided is for informational purposes only and is believed to be accurate.