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Part Name

# R-535.0PA-2005 View Datasheet(PDF) - RECOM Electronic GmbH

 Part Name R-535.0PA(2005) RECOM Electronic GmbH Description 2, 3, 4, 5 AMP SIP12 Vertical & Horizontal
R-535.0PA Datasheet PDF : 6 Pages
 1 2 3 4 5 6 INNOLINE DC/DC-Converter Output Current vs Input Voltage How to calculating the max output current The internal power dissipation(PD)follows the equation: PD = Io × Vo × (1-η) Io = PD / Vo × (1-η) Where PD = Internal power dissipation Io = Output current Vo = Output voltage η = Efficiency Example: R-545.0P , at Vin = 18Vdc , Vo = 5Vdc ,η=93% (see table 1) (a) When Ta = 60°C , PD = 1.4 Watt (see fig-1) Io = 1.4(W) / 5(V) × (1-0.93) = 4(A) (b) When Ta = 85°C , PD = 1 Watt (see fig-1) Io = 1(W) / 5(V) × (1-0.93) = 2.857(A) (c) At Vin = 12Vdc efficiency = 94% (see table 1) When Ta = 85°C , PD = 1 Watt (see fig-1) Io = 1(W) / 5(V) × (1-0.94) =3.33(A) R-5xxxPA_DA Series 90 85 80 60 40 20 0 0.5 1 1.4 Internal Power Dissipation (W) Characteristics R-53xx / R-54xx Output Voltage Line Regulation VS Vout 1 0.5 0 1.2 1.8 2.3 3.3 5.0 Output Voltage (V) R-52xx / R-55xx Output Voltage Line Regulation VS Vout 1 0.5 0 1.2 1.8 2.3 3.3 5.0 Output Voltage (V) R-53xx / R-54xx Intput Voltage Load Regulation VS Vin 2.0 1.5 1.0 0.5 0 5 10 15 Input Voltage (V) 1.2V 1.8V 2.5V 3.3V 5.0V 20 R-52xx / R-55xx Intput Voltage Load Regulation VS Vin 2.0 1.5 1.0 0.5 0 5 10 15 Input Voltage (V) 1.2V 1.8V 2.5V 3.3V 5.0V 20 www.recom-international.com 24-August-2005 131

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