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R-535.0DA Dataheets PDF



Part Number R-535.0DA
Manufacturers RECOM
Logo RECOM
Description DC/DC-Converter
Datasheet R-535.0DA DatasheetR-535.0DA Datasheet (PDF)

Features Switching Regulator • Non-isolated • Synchronous rectification design • Adjustable output voltage • 2, 3, 4 & 5AMP adjustable positive step down integrated switching regulator • Over load protection • Continuous short circuit protection • Efficiency up to 96% DC/DC Converter R-5xxxPA_DA Description The R-5xxxA series is a high performance 1.2V to 5.5V, 2Amp to 5Amp, 12-Pin SIP (single in-line package) integrated switching regulator (ISR). The synchronous - rectified design yields exc.

  R-535.0DA   R-535.0DA


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Features Switching Regulator • Non-isolated • Synchronous rectification design • Adjustable output voltage • 2, 3, 4 & 5AMP adjustable positive step down integrated switching regulator • Over load protection • Continuous short circuit protection • Efficiency up to 96% DC/DC Converter R-5xxxPA_DA Description The R-5xxxA series is a high performance 1.2V to 5.5V, 2Amp to 5Amp, 12-Pin SIP (single in-line package) integrated switching regulator (ISR). The synchronous - rectified design yields excellent efficiencies up to 96%. Short circuit protection reduces the short circuit input current to under 50mA. Autosense function compensates for any losses in long circuit loops. Selection Guide Part Input Number Voltage Range [VDC] R-521.2xA 4.5 - 18 R-521.8xA 4.5 - 18 R-522.5xA 4.5 - 18 R-523.3xA 4.5 - 18 R-525.0xA 6.5 - 18 R-531.2xA 4.5 - 18 R-531.8xA 4.5 - 18 R-532.5xA 4.5 - 18 R-533.3xA 4.5 - 18 R-535.0xA 6.5 - 18 R-541.2xA 4.5 - 18 R-541.8xA 4.5 - 18 R-542.5xA 4.5 - 18 R-543.3xA 4.5 - 18 R-545.0xA 6.5 - 18 R-551.2xA 4.4 - 18 R-551.8xA 4.5 - 18 R-552.5xA 4.5 - 18 R-553.3xA 4.5 - 18 R-555.0xA 7.0 - 1.8 Output Voltage [VDC] 1.2 1.8 2.5 3.3 5.0 1.2 1.8 2.5 3.3 5.0 1.2 1.8 2.5 3.3 5.0 1.2 1.8 2.5 3.3 5.0 Vout Adjust Range (1) [VDC] 1.0 - 3.0 1.1 - 4.5 1.6 - 5.5 1.6 - 5.5 3.0 - 5.5 1.0 - 3.0 1.1 - 4.5 1.6 - 5.5 1.6 - 5.5 3.0 - 5.5 1.0 - 3.0 1.1 - 4.5 1.6 - 5.5 1.6 - 5.5 3.0 - 5.5 1.0 - 3.0 1.1 - 4.5 1.6 - 5.5 1.6 - 5.5 3.0 - 5.5 Output Efficiency Max. Capacitive Current @ min Vin @ max. Vin Load (2) [A] [%] 12V [%] [µF] 2 83 79 75 300/6800 2 88 85 82 300/6800 2 91 88 86 300/6800 2 92 90 89 300/6800 2 95 93 92 300/6800 3 85 84 82 300/6800 3 89 88 86 300/6800 3 92 91 89 300/6800 3 94 93 92 300/6800 3 96 95 94 300/6800 4 82 81 79 300/6800 4 87 86 85 300/6800 4 91 89 88 300/6800 4 93 92 91 300/6800 4 95 94 93 300/6800 5 81 80 78 300/6800 5 86 85 84 300/6800 5 90 89 88 300/6800 5 92 91 90 300/6800 5 94 93 92 300/6800 2,3,4,5 Amp SIP12 Vertical & Horizontal Single Output IEC/EN60950-1 certified Notes: Note1: Vin-Vout ≥ 1.5V~4.0V depending on Vout if adjust function is used Note2: please refer to basic characteristics Model Numbering R-5_ __ xA Output Current (A) nom. Output Voltage Pinning (3) Notes: Note3: x can be „P“= vertical through hole x can be „D“ = bent for horizontal through hole mounting Ordering Examples: R-553.3PA Iout= 5A R-522.5DA Iout= 2A nom. Vout= 3.3VDC P= vertical through hole nom. Vout= 2.5VDC D= bent for horizontal through hole mounting www.recom-power.com REV.: 5/2019 I-1 R-5xxxPA_DA DC/DC Converter Specifications (refer to standard application circuit, Ta= 25°C) Series BASIC CHARACTERISTICS Parameter Quiescent Current Internal Power Dissipation Output Current Limit Minimum Load ON/OFF CTRL (4) Input Current of CTRL Pin Internal Operating Frequency Output Ripple and Noise Maximum Capacitive Load Condition min. Vin to max. ta<60°C R-52xx R-53xx R-54xx R-55xx DC-DC ON DC-DC OFF DC-DC OFF R-52xx R-53xx & R-54xx & R-55xx normal start-up time, no external diodes <1 second start-up time + diode protection circuit Min. 10% 270kHz Typ. 2.5A 3.75A 5.0A 6.0A Max. 20mA 1.4W 3.0A 4.25A 5.5A 6.5A Open or high, 4.5V min. / 18V max. Low (Power OFF) 0.8V max. 100µA 300kHz 330kHz 40mVp-p 80mVp-p 70mVp-p 120mVp-p 300µF 6800µF Notes: Note4: ON/OFF pin driven by TTL (logic gate), open-collector bipolar transistor or open-drain MOSFET Ambient Temperature [°C] How to calculate the max. output current 100 The internal power dissipation (PD ) follows the equation: 85 80 PD= Iout x Vout x (1-Effmax Vin ) 60 Iout= PD Vout x (1-Effmax Vin ) 40 20 Example: R-545.0P Calculation 1: Vin = 18V Vout = 5V Effmax Vin = 93% PD = 1.4W TAmbient = 60°C 1.4W Iout= 5V x (1-0.93 ) = 4.0A 0 0 0.5 1 1.4 Internal Power Dissipation [W] Calculation 2: Vin = 18V Vout = 5V Effmax Vin = 93% PD = 1W TAmbient = 85°C 1W Iout= = 2.857A 5V x (1-0.93 ) Calculation 3: Vin = 12V Effmax Vin = 94% P = 1.0W D TAmbient = 85°C 1W Iout= = 3.33A 5V x (1-0.94 ) continued on next page www.recom-power.com REV.: 5/2019 I-2 DC/DC Converter Specifications (refer to standard application circuit, Ta= 25°C) Efficiency vs. Load 100 R-53xx / R-54xx / R-55xx min. Vin 95 Efficiency [%] 90 85 80 5Vout 3.3Vout 75 2.5Vout 1.8Vout 1.2Vout 70 0.1 1 2 3 4 5 Output Load [A] Efficiency [%] R-5xxxPA_DA Series R-52xx min. Vin 100 95 90 85 80 5Vout 3.3Vout 75 2.5Vout 1.8Vout 1.2Vout 70 0.1 0.5 1 1.5 2 Output Load [A] R-53xx / R-54xx / R-55xx Vin=18V 100 95 R-52xx Vin=18V 100 90 Efficiency [%] Efficiency [%] 90 80 85 70 80 75 5Vout 1.8Vout 3.3Vout 1.2Vout 2.5Vout 70 0.1 1 2 3 4 5 Output Load [A] 60 50 5Vout 1.8Vout 3.3Vout 1.2Vout 2.5Vout 40 0.1 0.5 1 1.5 2 Output Load [A] Trim Tables or Calculation 2ADC 3ADC 4ADC 5ADC .


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