Features Auto-sense Non-Isolated Synchronous rectification design Adjustable Output voltage 2, 3, 4 & 5AMP Adjustable Positive Step Down Integrated Switching Regulator Over load protection (125% full load typical) Remote ON/OFF Control(Ground Off) Wide Input Range UL94V-0 Package Material Continuous short circuit protection (Short Circuit Input Current, Iin sc<50mA) Input voltage range 4.5V~18V Efficiency to 96 % Description INNOLINE DC/DC-Converter with 3 year Warranty 2, 3, 4, 5 AMP SIP12 Vertical & Horizontal The R-5XXX series is a high performance 1.2V to 5.0V , 2Amp to 5Amp,12-Pin SIP (single in-line package) integrated switching regulator (ISR). 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 Number SIP12 Input Range (V) Nominal Vout Output Output Voltage Adjust Range Current (V) (V) (A) Efficiency min.Vin 12V max.Vin (%) (%) (%) R-521.2xA 4.5 - 18 1.2 1.0 - 3.0 2 83 79 75 R-521.8xA 4.5 - 18 1.8 1.1 - 4.5 2 88 85 82 R-522.5xA 4.5 - 18 2.5 1.6 - 5.5 2 91 88 86 R-523.3xA 4.5 - 18 3.3 1.6 - 5.5 2 92 90 89 R-525.0xA 6.5 - 18 5.0 3.0 - 5.5 2 95 93 92 R-531.2xA 4.5 - 18 1.2 1.0 - 3.0 3 85 84 82 R-531.8xA 4.5 - 18 1.8 1.1 - 4.5 3 89 88 86 R-532.5xA 4.5 - 18 2.5 1.6 - 5.5 3 92 91 89 R-533.3xA 4.5 - 18 3.3 1.6 - 5.5 3 94 93 92 R-535.0xA 6.5 - 18 5.0 3.0 - 5.5 3 96 95 94 R-541.2xA 4.5 - 18 1.2 1.0 - 3.0 4 82 81 79 R-541.8xA 4.5 - 18 1.8 1.1 - 4.5 4 87 86 85 R-542.5xA 4.5 - 18 2.5 1.6 - 5.5 4 91 89 88 R-543.3xA 4.5 - 18 3.3 1.6 - 5.5 4 93 92 91 R-545.0xA 6.5 - 18 5.0 3.0 - 5.5 4 95 94 93 R-551.2xA 4.5 - 18 1.2 1.0 - 3.0 5 81 80 78 R-551.8xA 4.5 - 18 1.8 1.1 - 4.5 5 86 85 84 R-552.5xA 4.5 - 18 2.5 1.6 - 5.5 5 90 89 88 R-553.3xA 4.5 - 18 3.3 1.6 - 5.5 5 92 91 90 R-555.0xA 7.0 - 18 5.0 3.0 - 5.5 5 94 93 92 RoHS 2011/65/EU 6/6 EN-60950-1 Certified R-5xxxA Note: Vin -Vout 1.5V if adjust function is used! Suffix x: (see mechanical drawing for details) x = P pins vertical through hole x = D pins bent for horizontal through hole mounting Refer to Application Notes www.recom-power.com REV: 1/2016 I-45 R-5xxxPA_DA Series INNOLINE DC/DC-Converter Specifications (refer to the standard application circuit, Ta: 25C) Characteristics Conditions Min. Output Voltage Range All Series 0.8 6.0V Output Current R-52xxPA/DA R-53xxPA/DA R-54xxPA/DA R-55xxPA/DA 0.2 0.3 0.4 0.5 2.0A 3.0A 4.0A 5.0A Output Current Limit R-52xxPA/DA R-53xxPA/DA R-54xxPA/DA R-55xxPA/DA All Series Short Circuit Input Current Short Circuit Protection Output Voltage Accuracy Line Voltage Regulation (Vin = min. to max. at full load) Load Regulation (10 to 100% full load) Ripple & Noise Transient Response (see note 1) Switching Frequency Quiescent Current Operating Temperature Range Storage Temperature Range Case Material Potting Material Internal Power Dissipation Package Weight Packing Quantity MTBF (Nominal Vout, 100% load) EN General Safety Notes: Max. 2.5 3.75 5.0 6.0 At 100% Load All Series R-52xxPA/DA R-53xxPA/DA & R-54xxPA/DA & R-55xxPA/DA R-52xxPA/DA R-53xxPA/DA & R-54xxPA/DA & R-55xxPA/DA R-52xxPA/DA R-53xxPA/DA & R-54xxPA/DA & R-55xxPA/DA 50% Load Change Vout Over / Undershoot Open or High (Power ON) 4.5 Low (Power OFF) Remote ON/OFF low level with normal start-up time, no external diodes with <1 second start up time + diode protection circuit 270 Vin = min. to max. at 0% load -40C -40C 3.0A 4.25A 5.5A 6.5A 50mA Continuous, automatic recovery 1% 0.25 0.5 0.5 1.0 40mVp-p 80mVp-p 100s 2% 0.5% 1.0% 1.0% 2.0% 70mVp-p 120mVp-p 200s 100mV 18V 0.8V 100A 300F 6800F 300 330kHz 20mA +85C +125C Non-Conductive Black Plastic Epoxy (UL94V-0) 1.4W 9g 15 pcs per Tube 749 x 10 hours 150 x 10 hours EN60950-1:2006 + A12:2011 Io x Vo x (1-Efficiency) } Tamb. = +25C Detailed Information see Application Notes chapter "MTBF" Tamb. = +85C Report: SPCLVD1301028-1 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) 100F for R-52xxPA/DA, R-53xxPA/DA and R-54xxPA/DA or 220F 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 How to calculate the max output current The internal power dissipation(PD)follows the equation: PD = Io x Vo x (1-) Io = PD / Vo x (1-) Where PD = Internal power dissipation Io = Output current Vo = Output voltage = Efficiency Example: R-545.0P , at Vin = 18Vdc , Vo = 5Vdc ,=93% (see "Selection Guide" table) (a) When Ta = 60C , PD = 1.4 Watt (see adjacent diagram) Io = 1.4(W) / 5(V) x (1-0.93) = 4(A) (b) When Ta = 85C , PD = 1 Watt (see adjacent diagram) Io = 1(W) / 5(V) x (1-0.93) = 2.857(A) (c) At Vin = 12Vdc efficiency = 94% (see "Selection Guide" table) When Ta = 85C , PD = 1 Watt (see adjacent diagram) Io = 1(W) / 5(V) x (1-0.94) =3.33(A) I-46 REV: 1/2016 Ambient Temperature (C) R-5xxxA Remote ON / OFF (see note 2) (positive logic) Remote Off Input Current Max capacitance Load Typ. 90 85 80 60 40 20 0 0.5 1 1.4 Internal Power Dissipation (W) www.recom-power.com R-5xxxPA_DA Series INNOLINE DC/DC-Converter Standard Application Circuit 11 2, 3, 4 Vin TTL R-52XX R-53XX R-54XX R-55XX OFF 1F (Optional) C1 1 ON Q1 R1 (Adjust down) 9, 10 Vout 12 C2 (Required) 100F, ESR= 150mW max.) (see Note 1) R2 5, 6, 7,8 (Adjust up) Add a blocking diode to Vout if current can flow backwards into the output, as this can damage the converter.. Com Com Parallel Application Circuit The R-52xx, R-53xx, R-54xx series can be used in parallel to upgrade the output current capacity for the same output voltage. For example, the R-543.3PA can parallel up with another R-554.3PA to give up to 8 amps or with the R-533.3PA or R-523.3PA types to give output currents of up to 7 Amps or 6 Amps. The R-55xx series cannot be paralleled. Vin ON/OFF Control Q1 C1 100F/25V (REQD) 1 2 3 4 U1 5 7 6 12 11 10 8 9 Vout C2-1 100F/10V (REQD) Com Com 4 3 2 1 Component side 5 7 6 U2 8 9 10 11 12 R-5xxxA C2-2 100F/10V (REQD) must be connected together Solder side 1 C1 +Vin Com 12 1 12 U1 U1 C2-1 1 12 U2 12 Keep 2mm to 5mm distance between both converters 1 U2 C2-2 Com +Vout Sense To Load www.recom-power.com REV: 1/2016 I-47 R-5xxxPA_DA Series INNOLINE DC/DC-Converter Characteristics R-53xx / R-54xx Output Voltage Line Regulation VS Vout R-52xx / R-55xx Output Voltage Line Regulation VS Vout 1 Line Regulation (%) 0.5 0 1.8 1.2 Output Voltage (V) 0 R-53xx / R-54xx Intput Voltage Load Regulation VS Vin 1.8V 2.5V 3.3V 5.0V Load Regulation (%) 1.5 1.0 0.5 1.0 1.2V 1.8V 2.5V 0.5 3.3V 5.0V 0 R-53xx / R-54xx / R-55xx Output Current Efficiency vs Iout (Vin = Min) R-5xxxA 1.5 20 15 10 5.0 3.3 2.3 2.0 1.2V 5 Input Voltage (V) 1.8 1.2 Output Voltage (V) R-52xx / R-55xx Intput Voltage Load Regulation VS Vin 2.0 0 0.5 5.0 3.3 2.3 Load Regulation (%) Line Regulation (%) 1 5 Input Voltage (V) 15 10 R-52xx Output Current Efficiency vs Iout (Vin = Min) 100 100 5.0V 3.3V 2.5V 1.8V 90 80 1.2V 1 2 Output Current (A) 3 4 90 1.2V Efficiency (%) Efficiency (%) 5.0V 3.3V 2.5V 1.8V 70 5 R-53xx / R-54xx / R-55xx Output Current Efficiency vs Iout (Vin = 18V) 0.5 1.0 Output Current (A) 1.5 2.0 5.0V 3.3V 2.5V 1.8V 80 1.2V 1 2 Output Current (A) 3 4 5.0V 3.3V 2.5V 1.8V 1.2V 90 80 70 Efficiency (%) Efficiency (%) 70 100 90 I-48 80 R-52xx Output Current Efficiency VS Iout (Vin = 18V) 100 70 20 5 REV: 1/2016 60 50 40 0.5 1.0 Output Current (A) 1.5 2.0 www.recom-power.com R-5xxxPA_DA Series INNOLINE DC/DC-Converter Table 1: Adjustment Resistor Values 2Adc R-521.2PA/DA R-521.8PA/DA R-522.5PA/DA R-523.3PA/DA 525.0PA/DA 3Adc R-531.2PA/DA R-531.8PA/DA R-532.5PA/DA R-533.3PA/DA 535.0PA/DA 4Adc R-541.2PA/DA R-541.8PA/DA R-542.5PA/DA R-543.3PA/DA 545.0PA/DA 5Adc R-551.2PA/DA R-551.8PA/DA R-552.5PA/DA R-553.3PA/DA 555.0PA/DA Vout (nominal) 1.2Vdc 1.8Vdc 2.5Vdc 3.3Vdc 5.0Vdc Vout (adj) R1 R2 R1 R2 R1 R2 R1 R2 R1 R2 0.8 (V) 0.9 (V) 740 1.0 (V) 3.9K 1.1 (V) 13K 1.05K 1.2 (V) 2.1K 270 37K 3.7K 750 1.5 (V) 11.5K 10K 2.1K 390 1.6 (V) 8.2K 18K 3.0K 750 1.7 (V) 6.5K 41K 4.1K 1.2K 1.8 (V) 5.2K 5.6K 1.7K 1.9 (V) 4.3K 36K 7.5K 2.2K 2.0 (V) 3.6K 1.8K 10.5K 2.8K 2.4 (V) 2.1K 5.2K 82K 6.8K 2.5 (V) 1.8K 4.3K 2.6 (V) 1.65K 3.6K 33K 10.5K 3.0 (V) 1.05K 2.1K 6.2K 33K 470 3.2 (V) 1.65K 4.1K 110K 1.6K 3.3 (V) 1.5K 3.4K 3.4 (V) 1.35K 2.9K 36K 3.0K 3.6 (V) 1.07K 2.2K 11K 4.7K 3.9 (V) 780 1.4K 4.7K 8.5K 4.5 (V) 390 650 1.6K 30K 4.9 (V) 350 820 220K 5.0 (V) 290 680 5.1 (V) 220 560 28K 5.5 (V) 39 190 2.6K www.recom-power.com REV: 1/2016 R-5xxxA 1.3 (V) 8.5K 2.2K I-49 R-5xxxPA_DA Series INNOLINE DC/DC-Converter Package Style and Pinning (mm) SIP12 PIN Package 32.20 15.00 32.20 9.1 RECOM R - 5 2 1 . 2 PA 0.7 0.2 1 2 3 4 5 6 7 8 9 10 11 12 4.0 2.13 RECOM R-521.2DA 15.00 1 2 3 4 5 6 7 8 9 10 11 12 9.1 0.7 2.13 Bottom View Bottom View 0.7 2.54 0.2 2.54 Tolerance: 0.25 mm 0.7 4.0 Pin Connections Pin # Name Description 1 ON / OFF 2, 3, 4 Vin Power input Input pin : Active low (less than 0.8V) to disable the device 5, 6, 7, 8 GND Input and output ground (common) 9 , 10 Vout Power output 11 Vout (Auto Sense) 12 Vout-Adj Tolerance: xx.x xx.xx 0.5mm 0.25mm If unused this pin must be connected to Pin 9 and 10 R-5xxxA With external resistors R1,R2 to selected output voltage Optional Diode Protection Circuit Optional Protection 2: Optional Protection 1: Add a blocking diode to Vout if current can flow backwards into the output, as this can damage the converter when it is powered down. Protection diodes are required for high capacitive loads. The diode can either be fitted across the device if the source is low impedance or fitted in series with the output (recommended). +Vin R-5/6/7xxx +Vout +Vin R-5/6/7xxx +Vout Diode Trim output voltage up 1 diode drop GND GND GND GND The product information and specifications are subject to change without prior notice. RECOM products are not authorized for use in safety-critical applications (such as life support) without RECOM's explicit written consent. A safety-critical application is defined as an application where a failure of a RECOM product may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The buyer shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications. I-50 REV: 1/2016 www.recom-power.com Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: RECOM: R-521.2DA R-521.2PA R-521.8DA R-521.8PA R-522.5DA R-522.5PA R-523.3DA R-523.3PA R-525.0DA R525.0PA R-531.2DA R-531.2PA R-531.8DA R-531.8PA R-532.5DA R-532.5PA R-533.3DA R-533.3PA R535.0DA R-535.0PA R-541.2DA R-541.2PA R-541.8DA R-541.8PA R-542.5DA R-542.5PA R-543.3DA R543.3PA R-545.0DA R-545.0PA R-551.2DA R-551.2PA R-551.8DA R-551.8PA R-552.5DA R-552.5PA R553.3DA R-553.3PA R-555.0DA R-555.0PA