BOB3WH3-SERIES datasheet(6/7 Pages) BOTHHAND

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Rev:20130812A

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Isolated DC-DC Converters

BOB3WH3 Series -- 3 Watt

Noise

Ripple

Ripple&Noise

Vout：Output voltage

Vout(nominal)：Nominal output voltage

6. Line regulation: (1) Wide input voltage range and regulated output voltage series.

(2) Narrow input voltage range（±10%）and unregulated output voltage series.

ΔVout = Vout(+10%)-Vout(-10%) x100%

Vout

Vout(+10%)：Output voltage at Vin = 1.1xVin(nominal)&full load

Vout(-10%)：Output voltage at Vin = 0.9xVin(nominal)&full load

Vout：Output voltage at Vin = Vin(nominal)&full load

ΔVin = Vin(+10%)-Vin(-10%) x100%

Vin(nominal)

Vin(+10%)：Input voltage = 1.1xVin(nominal)

Vin(-10%)：Input voltage = 0.9xVin(nominal)

Vin(nominal)：Nominal Input voltage

7. Load regulation :

│

│Vout(FL)-Vout(NL)│

│

│ x100%

Vout(FL)

Vout(FL): Output voltage at full load

Vout(NL): Output voltage at 25% full load or 10% full load

8. Ripple and Noise: as shown below. The bandwidth is 0-20MHz.

│

│Vout(LL)-Vout(HL)│

│

Vout(LL)

LL: Low Line input voltage

HL: High Line input voltage

x100%

ΔVout

ΔVin

││││ ││││

Line regulation=

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