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: 0/2015 I-45 R-5xxxPA_DA Series INNOLINE DC/DC-Converter Specifications (refer to the standard application circuit, Ta: 25°C) 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 -40°C -40°C 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 100µs ±2% 0.5% 1.0% 1.0% 2.0% 70mVp-p 120mVp-p 200µs 100mV 18V 0.8V 100µA 300µF 6800µF 300 330kHz 20mA +85°C +125°C Non-Conductive Black Plastic Epoxy (UL94V-0) 1.4W 9g 15 pcs per Tube 749 x 10³ hours 150 x 10³ hours EN60950-1:2006 + A12:2011 Io x Vo x (1-Efficiency) } Tamb. = +25°C Detailed Information see Application Notes chapter "MTBF" Tamb. = +85°C 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) 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 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) I-46 REV: 0/2015 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 OFF TTL R-52XX R-53XX R-54XX R-55XX 1µF (Optional) C1 1 ON Q1 R1 (Adjust down) 9, 10 Add a blocking diode to Vout if current can flow backwards into the output, as this can damage the converter.. Vout 12 C2 (Required) 100µF or 220µF (see Note 1) R2 5, 6, 7,8 (Adjust up) 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 100µF/25V (REQ`D) 1 2 3 4 U1 5 7 6 12 11 10 8 9 Vout C2-1 100µF/10V (REQ`D) Com Com 4 3 2 1 Component side 5 7 6 U2 8 9 10 11 12 R-5xxxA C2-2 100µF/10V (REQ`D) 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: 0/2015 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: 0/2015 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) 740Ω 1.0 (V) 3.9KΩ 1.1 (V) 13KΩ 1.05KΩ 1.2 (V) 2.1KΩ 270Ω 37KΩ 3.7KΩ 750Ω 1.5 (V) 11.5KΩ 10KΩ 2.1KΩ 390Ω 1.6 (V) 8.2KΩ 18KΩ 3.0KΩ 750Ω 1.7 (V) 6.5KΩ 41KΩ 4.1KΩ 1.2KΩ 1.8 (V) 5.2KΩ 5.6KΩ 1.7KΩ 1.9 (V) 4.3KΩ 36KΩ 7.5KΩ 2.2KΩ 2.0 (V) 3.6KΩ 1.8KΩ 10.5KΩ 2.8KΩ 2.4 (V) 2.1KΩ 5.2KΩ 82KΩ 6.8KΩ 2.5 (V) 1.8KΩ 4.3KΩ 2.6 (V) 1.65KΩ 3.6KΩ 33KΩ 10.5KΩ 3.0 (V) 1.05KΩ 2.1KΩ 6.2KΩ 33KΩ 470Ω 3.2 (V) 1.65KΩ 4.1KΩ 110KΩ 1.6KΩ 3.3 (V) 1.5KΩ 3.4KΩ 3.4 (V) 1.35KΩ 2.9KΩ 36KΩ 3.0KΩ 3.6 (V) 1.07KΩ 2.2KΩ 11KΩ 4.7KΩ 3.9 (V) 780Ω 1.4KΩ 4.7KΩ 8.5KΩ 4.5 (V) 390Ω 650Ω 1.6KΩ 30KΩ 4.9 (V) 350Ω 820Ω 220KΩ 5.0 (V) 290Ω 680Ω 5.1 (V) 220Ω 560Ω 28KΩ 5.5 (V) 39Ω 190Ω 2.6KΩ www.recom-power.com REV: 0/2015 R-5xxxA 1.3 (V) 8.5KΩ 2.2KΩ 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 -Vin -Vout -Vin -Vout 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: 0/2015 www.recom-power.com