● ● ● Features ● ● ● ● ● ● ● ● INNOLINE Replacement for R-78Axx-0.5SMD series RoHS 6/6 Conform (100% Lead Free) Efficiency up to 97%,Non isolated, no need for heatsinks High Reflow Temperature SMD Package Adjustable Output Voltage Wide input range.(4.75V ~ 32V) Short circuit protection, Thermal shutdown Remote On/Off Control UL94V-0 Package Material Very Low Shutdown Current See Innoline Application Notes for use as an inverter (alternative to LM79xx Linear) DC/DC-Converter with 3 year Warranty 0.5 AMP SMD Single Output Description The R-78AAxx-0.5SMD series are manufactured without lead and meet the requirements for RoHS 6/6 as well as the increased reflow soldering temperatures associated with vapor phase soldering, making these high efficiency switching regulators ideally suited to modern pick-and-place mass production. The efficiency of up to 97% means that very little energy is wasted as heat. The additional features of remote on/off control and adjustable output voltages will find many uses in the battery-powered, industrial, medical and automotive markets. Selection Guide Part Number SMD Input Range (V) Output Voltage (V) Adjust Range (V) Output Current (A) Efficiency Min. Vin Max. Vin (%) (%) R-78AA1.5-0.5SMD* 4.75 – 30 1.5 fixed 0.5 73 63 R-78AA1.8-0.5SMD* 4.75 – 32 1.8 1.5~3.0 0.5 82 71 R-78AA2.5-0.5SMD* 4.75 – 32 2.5 1.5~3.0 0.5 87 77 R-78AA3.3-0.5SMD* 4.75 – 32 3.3 3.0~5.5 0.5 91 81 R-78AA5.0-0.5SMD* 6.5 – 32 5.0 3.0~8.0 0.5 94 86 R-78AA6.5-0.5SMD* 8.0 – 32 6.5 3.3~11.0 0.5 95 88 R-78AA9.0-0.5SMD* 11 – 32 9.0 4.5~12.6 0.5 96 92 R-78AA12-0.5SMD* 15 – 32 12 4.5~12.6 0.5 97 94 R-78AA15-0.5SMD* 18 – 32 15 fixed 0.5 97 95 RoHS 2011/65/EU 6/6 IEC/EN-60950-1 Certified R-78AA-0.5 Derating-Graph Note 1:1.5V Output can be unstable with Vin>30VDC (Ambient Temperature) * add suffix -R for tape&reel packing e.g. R-78AA5.0-0.5-R. For more details see Application Notes. 120 100 +Vin 1,2 R-78AAxx-0.5SMD >1ms C1 Off/On 10µF (Optional) 10 3,7,8,9 6 +Vout 4,5 R1 R2 -Vin C2 100µF (Optional) 80 60 40 20 0 Safe Operating Area -40 0 25 50 Operating Temperature (°C) 85 75 100 71 -Vout To protect the converter from high inrush currents, use soft start Vin and C1=10µF Output capacitor C2 recommended if load is very dynamic www.recom-power.com Output Power (%) Standard Application Circuit REV: 0/2015 Refer to Application Notes I-7 R-78AAxx-0.5 SMD Series INNOLINE DC/DC-Converter Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified ) Characteristics Conditions Min. Typ. Max. Input Voltage Range See Table 4.75V 32V 34V abs. max. Output Voltage Range See Table 1.5V 15V Output Current (see Note) All Series 0mA* 500mA Short Circuit Input Current Vin = 24V 60mA 100mA Internal Power Dissipation 0.4W Short Circuit Protection Continuous, automatic recovery Output Voltage Accuracy 100% Load Adjustable Voltage Range Line Voltage Regulation (Vin = min. to max. at full load) See Table 1 1.5V to 6.5V 9V to 15V 1.5V to 6.5V 9V to 15V 100% <-> 50% load 100% <-> 10% load 1.5V to 6.5V 9V to 15.5V Load Regulation (10 to 100% full load) Dynamic Load Stability with 100µF Output capacitor Ripple & Noise (without Output Capacitor) Temperature Coefficient Max capacitance Load R.78AA-0.5 280kHz Vin = min. to max. at 0% load ON: Open or 1.6V<Vr<5V OFF: GND or 0<Vr<1.6V Remote On/Off Threshold Voltage (Vr rising) 330kHz 380kHz 7mA 20µA 30µA 2.6V 2.8V 250mV -40°C +85°C (using Remote On/Off Control) 50ms Operating Case Temperature +100°C Storage Temperature Range -55°C Case Thermal Impedance Case Material Certifications IEC/EN General Safety EMC +125°C 70°C / W Non-Conductive Black Plastic Report: SPCLVD 1407030-1 Conducted Emissions (with filter) Radiated Emissions (with filter) ESD Radiated Immunity Fast Transient Conducted Immunity Magnetic Field Immunity Package Weight Packing Quantity } 0.015%/°C 220µF 6800µF Ir=1.8µA typ 2.4V Operating Temperature Range (with derating) (+71°C) 30mVp-p 40mVp-p 5mA Remote On/Off Voltage Hysteresis MTBF (+25°C) ±50% 0.4% 0.2% 1.0% 0.4% ±100mV 0.2% 0.1% 0.7% 0.25% ±75V ±100mV 20mVp-p 30mVp-p Converter Input Current (valid for Vr < 1.6V) Switch On/Off Time ±3% -40°C ~ +85°C ambient with normal start-up time, no external components with <1 second start up time + diode protection circuit Switching Frequency Quiescent Current ON/OFF Remote Control Pin Drive Current ±2% EN55022 EN55022 EN61000-4-2 EN61000-4-3 EN61000-4-4 EN61000-4-6 EN61000-4-8 IEC/EN-60950-1, 2nd Edition Class B Class B Class A Class A Class A Class A Class A 2.7g 33pcs per Tube 250pcs per Reel Detailed Information see Application Notes chapter "MTBF" using MIL-HDBK 217F 21098~29253 x 10³ hours 4214-7365 x 10³ hours *Note: Operation under no load will not damage these devices, however they may not meet all specifications. A minimum load of 6mA is recommended I-8 REV: 0/2015 www.recom-power.com R-78AAxx-0.5 SMD Series INNOLINE DC/DC-Converter Characteristics Ripple Efficiency 100 50 Vo=12V,15 V Vo=9V Vo=5V Vo=3.3V Vo=1.8V Vo=1.5V Vo=15V Vo=12V Vo=9V Vo=5V Vo=3.3V 25 Ripple (mV) Efficiency (%) 50 10 Vin (V) 20 Vo=1.8V Vo=1.5V 10 Vin (V) 30 34 30 34 20 Ripple Vs Vin (full load) Efficiency Vs Vin (Full Load) 100 50 Vo=15V Vo=12V Vo=5V Vo=3.3V Vo=1.8V Vo=1.5V Efficiency (%) 0.1 0.2 0.3 0.4 0.5 0.6 0.1 Output Current ( A ) Ripple (mV) Efficiency (%) 50 0.4 0.5 0.6 0.6 20 Vo=15V 15 Vo=12V 10 Vo=1.8V Vo=3.3, 9V Vo=5V Vo=1.5V 5 0.1 Output Current ( A ) 0.2 0.3 0.4 0.5 0.6 Output Current ( A ) Efficiency Vs Load ( Vin=Min ) www.recom-power.com 0.5 25 Vo=12,15V Vo=5V Vo=3.3V Vo=1.8V Vo=1.5V 0.3 0.4 Ripple Vs Load ( Vin=24V ) 100 0.2 0.3 Output Current ( A ) Efficiency Vs Load ( Vin=Max ) 0.1 0.2 R-78AA-0.5 Vo=12V Vo=15V Vo=9V Vo=5V Vo=3.3V Vo=1.8V Vo=1.5V 25 Ripple (mV) 50 Ripple Vs Load ( Vin=Min ) REV: 0/2015 I-9 R-78AAxx-0.5 SMD Series INNOLINE DC/DC-Converter Application Examples Flash Memory Program Voltage Switcher 220kW R-78AA12-0.5SMD +Vin Pgm Reprogrammable Flash Memory C1 0V 0V Program 24kW "Program" = 0V, Pgm Pin = +5V "Program" = high, Pgm Pin = +12,6V DC/DC Converter ( 1:1 ) +Vin R-78AAxx-0.5SMD C1 -Vin R-78AA-0.5 +Vout C2 - High isolation voltage - Improved loading / line regulation - Wide Input Voltage Range - Point-of-Load Architecture - Remote On/Off Control On/Off -Vout C1 , C2 : optional Optional 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. The diode can either be fitted across the device if the source is low impedance or fitted in series with the output (recommended). Application example: Driving a high capacitive load +Vin R-78A(A)xx -xxxSMD +Vout +Vin R-78A(A)xx -xxxSMD +Vout Diode CTRL CTRL -Vin -Vout +Vin R-78xx-xx Trim output voltage up 1 diode drop -Vin -Vout +Vout 6800µF -Vin I-10 REV: 0/2015 -Vout www.recom-power.com R-78AAxx-0.5 SMD Series INNOLINE DC/DC-Converter Table 1: Adjustment Resistor Values 1.8V 2.5V 3.3V 5.0V 6.5V 9V 12V R1 10KΩ 22KΩ 16.9KΩ 30.9KΩ 43KΩ 63.4KΩ 88.7KΩ R2 21KΩ 21KΩ 10KΩ 10KΩ 10KΩ 10KΩ 10KΩ R3 5.6KΩ 5.6KΩ 5.6KΩ 10KΩ 10KΩ 22.1KΩ 22.1KΩ Vref(V) 1.23 1.23 1.23 1.23 1.23 1.23 1.23 +Vin +Vo Rdown R1 Controlled IC R2 Vadj R3 Rup -Vin -Vo Vref R2(R1+R3) x (Vref - Vo) + Vref x R1R3 Trim Down Rdown = R2Vo - Vref (R1 + R2) R-78AA-0.5 R2R3 (Vref - Vo) + Vref R1 (R2 + R3) Trim up Rup = R2 (Vo - Vref) - Vref R1 Package Style and Pinning (mm) SMD 10Pin Package 9.60 15.30 15.00 8.80 10 9 8 7 6 9.40 RECOM 9.24 R-78Axx-0.5SMD xxxx 1 2 3 4 5 2.54x4 11.00 Pin Connections 12.35 Recommended Footprint Details 0.55 13.00 Bottom View 2.54 1.30 10 9 8 7 6 Top View 1 2 3 4 5 1.20 ±0.1 1.80 Pin # 1,2 +Vin 3,7,8,9 GND 4,5 +Vout 6 V adj 10 Remote On/Off xx.x ±0.5mm xx.xx ±0.25mm 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. www.recom-power.com REV: 0/2015 I-11