Datenblatt-Suchmaschine für elektronische Bauteile |
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R-551.8PA Datenblatt(PDF) 2 Page - Recom International Power |
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R-551.8PA Datenblatt(HTML) 2 Page - Recom International Power |
2 / 6 page Characteristics Conditions Min. Typ. Max. Output Voltage Range All Series 0.8 6.0V Output Current R-52xxPA/DA 0.2 2.0A R-53xxPA/DA 0.3 3.0A R-54xxPA/DA 0.4 4.0A R-55xxPA/DA 0.5 5.0A Output Current Limit R-52xxPA/DA 2.5 3.0A R-53xxPA/DA 3.75 4.25A R-54xxPA/DA 5.0 5.5A R-55xxPA/DA 6.0 6.5A Short Circuit Input Current All Series 50mA Short Circuit Protection Continuous, automatic recovery Output Voltage Accuracy At 100% Load All Series ±1% ±2% Line Voltage Regulation (Vin = min. to max. at full load) R-52xxPA/DA 0.25 0.5% R-53xxPA/DA & R-54xxPA/DA & R-55xxPA/DA 0.5 1.0% Load Regulation (10 to 100% full load) R-52xxPA/DA 0.5 1.0% R-53xxPA/DA & R-54xxPA/DA & R-55xxPA/DA 1.0 2.0% Ripple & Noise R-52xxPA/DA 40mVp-p 70mVp-p R-53xxPA/DA & R-54xxPA/DA & R-55xxPA/DA 80mVp-p 120mVp-p Transient Response (see note 1) 50% Load Change 100µs 200µs Vout Over / Undershoot 100mV Remote ON / OFF (see note 2) Open or High (Power ON) 4.5 18V (positive logic) Low (Power OFF) 0.8V Remote Off Input Current Remote ON/OFF low level 100µA Max capacitance Load with normal start-up time, no external diodes 300µF with <1 second start up time + diode protection circuit 6800µF Switching Frequency 270 300 330kHz Quiescent Current Vin = min. to max. at 0% load 20mA Operating Temperature Range -40°C +85°C Storage Temperature Range -40°C +125°C Case Material Non-Conductive Black Plastic Potting Material Epoxy (UL94V-0) Internal Power Dissipation Io x Vo x (1-Efficiency) 1.4W Package Weight 9g Packing Quantity 15 pcs per Tube MTBF (Nominal Vout, 100% load) Tamb. = +25°C 749 x 10³ hours Tamb. = +85°C 150 x 10³ hours EN General Safety Report: SPCLVD1301028-1 EN60950-1:2006 + A12:2011 R-5xxxPA_DA Series Specifications (refer to the standard application circuit, Ta: 25°C) INNOLINE DC/DC-Converter Notes: 1. Requires an electrolytic or tantalum output capacitor for proper operation in all applications (the capacitor to be placed as close as possible to the output pins) 100µF for R-52xxPA/DA, R-53xxPA/DA and R-54xxPA/DA or 220µF for R-55xxPA/DA. 2. ON / OFF pin driven by TTL (logic gate), open-collector bipolar transistor or open-drain MOSFET. 3. Output Current vs. Input Voltage (see graph below). Output Current vs Input Voltage 90 60 20 40 1.4 1 0.5 Internal Power Dissipation (W) 0 80 85 How to calculate 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 "Selection Guide" table) (a) When Ta = 60°C , PD = 1.4 Watt (see adjacent diagram) Io = 1.4(W) / 5(V) × (1-0.93) = 4(A) (b) When Ta = 85°C , PD = 1 Watt (see adjacent diagram) Io = 1(W) / 5(V) × (1-0.93) = 2.857(A) (c) At Vin = 12Vdc efficiency = 94% (see "Selection Guide" table) When Ta = 85°C , PD = 1 Watt (see adjacent diagram) Io = 1(W) / 5(V) × (1-0.94) =3.33(A) } DetailedInformationsee Application Notes chapter "MTBF" I-46 www.recom-power.com REV: 1/2016 |
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