Features ● ● ● ● ● ● ● ● INNOLINE Efficiency up to 95%,Non isolated, no need for heatsinks Pin-out compatible with LM78XX Linears Low profile( L*W*H=11.5*8.5*17.5mm) Wide input range.(4.75V ~ 18V) Short circuit protection, Thermal shutdown Non standard outputs available as specials between 1.5V ~ 6.5V Low ripple and noise “L” Version with 90° pins DC/DC-Converter R-78Bxx1.5(L) Series 1.5 AMP SIP3 Single Output Selection Guide Part Number* SIP3 Input Range (V) Output Voltage (V) Output Current (A) Efficiency Min. Vin Max. Vin (%) (%) R-78B1.5-1.5 4.75 – 18 1.5 1.5 83 78 R-78B1.8-1.5 4.75 – 18 1.8 1.5 85 81 R-78B2.5-1.5 4.75 – 18 2.5 1.5 88 84 R-78B3.3-1.5 4.75 – 18 3.3 1.5 91 88 R-78B5.0-1.5 6.5 – 18 5.0 1.5 94 92 R-78B6.5-1.5 8.0 – 18 6.5 1.5 95 93 * add Suffix “L” for 90° bent pins, e.g. R-78B5.0-1.5L Description The R-78Bxx-1.5 Series high efficiency switching regulators are ideally suited to replace 78xx linear regulators and are pin compatible. The efficiency of up to 95% means that very little energy is wasted as heat so there is no need for any heat sinks with their additional space and mounting costs. The L-Version with 90° pins allows direct replacement for laid-flat regulators where component height is at a premium.Low ripple and noise figures and a short circuit input current of typically only 10mA round off the specifications of this versatile converter series. Derating-Graph (Ambient Temperature) Output Power (%) 120 100 80 60 40 20 0 Safe Operating Area -40 0 25 50 Operating Temperature (°C) www.recom-international.com 13-February-2007 85 75 100 71 1 R-78Bxx-1.5 (L) Series INNOLINE DC/DC-Converter Specifications (refer to the standard application circuit, Ta: 25°C, minimum load = 10%) Characteristics Input Voltage Range Conditions All Series, see Selection Guide Min. 4.75 Output Voltage Range (for customized parts) All Series 1.5 Output Current (see Note 1) All Series 0 Output Current Limit All Series Short Circuit Input Current All Series Typ. 6.5V 1500mA 5000mA 60 80mA Internal Power Dissipation 0.65W Short Circuit Protection Continuous, automatic recovery Output Voltage Accuracy (At 100% Load) Line Voltage Reguölation (Vin = min. to max. at full load) Load Regulation (10% to 100% full load) Dynamic Load Stability (with Output Capacitor=100µF) All Series All Series All Series 100% <-> 50% load Transient Recovery Time Ripple & Noise (10% to 100% full load) All Series Temperature Coefficient -40°C ~ +85°C ambient ±2 0.2 20 ±80 1.0 ±3% 0.4% 25mV ±120mV 1.5ms 15 30mVp-p 0.015%/°C Max capacitance Load 1000µF Switching Frequency 300 Quiescent Current Vin = min. to max. at 0% load Input Reflected Ripple Current All Series Operating Temperature Range 340 7 150 -40°C +85°C -55°C +125°C Case Thermal Impendance 60°C / W Thermal Shutdown Internal IC junction +160°C Relative Humidity 95% RH Case Material Epoxy with Non-Conductive Plastic Case(UL94V-0) Package Weight (+71°C) 200mAp-p +100°C Storage Temperature Range . 380kHz 9mA Operating Case Temperature MTBF (+25°C) Max. 18.0V 4g } Detailed Information see Application Notes chapter "MTBF" using MIL-HDBK 217F 3250 x 10³ hours using MIL-HDBK 217F 1059 x 10³ hours Note 1: The converter requires a minimum load of 6mA to start up properly. Once started, the load can be reduced to 0% Standard Application Circuit +Vin +Vout R-78Bxx-1.5 Add a blocking diode to Vout if current can flow backwards into the output, as this can damage the converter. C1 100µF (Option) -Vin 2 -Vout 13-February-2007 www.recom-international.com R-78Bxx-1.5 (L) Series INNOLINE DC/DC-Converter Characteristics Ripple Efficiency Vo=6.5V Vo=5V Vo=3.3V Vo=1.8V Vo=2.5V Vo=1.5V 75 50 Ripple (mV) 100 Efficiency (%) 50 25 5 10 15 15 18 Vin ( V ) Ripple Vs Vin (Full Load) Efficiency Vs Vin (Full Load) 50 Vo=6.5V Vo=5V Vo=3.3V Vo=2.5V Vo=1.8V Vo=1.5V 100 75 Vo=6.5V Vo=5V Vo=3.3V Vo=2.5V Vo=1.8V Vo=1.5V 25 Ripple (mV) 50 Efficiency (%) 10 5 18 Vin ( V ) 25 0.5 1.0 0.5 1.5 1.0 1.5 Output Current ( A ) Output Current ( A ) Ripple Vs Load ( Vin=Max ) Efficiency Vs Load ( Vin=Max ) 100 50 Vo=6.5V Vo=5V Vo=3.3V Vo=2.5V Vo=1.8V Vo=1.5V 75 25 Vo=6.5V Vo=5V Vo=2.5,V, 3.3V Vo=1.5V, 1.8V Ripple (mV) 50 Efficiency (%) Vo=6.5V Vo=5V Vo=3.3V Vo=2.5V Vo=1.8V Vo=1.5V 25 25 0.5 1.0 0.5 1.5 1.5 Ripple Vs Load ( Vin=Min ) Efficiency Vs Load ( Vin=Min ) www.recom-international.com 1.0 Output Current ( A ) Output Current ( A ) 13-February-2007 3 R-78Bxx-1.5 (L) Series INNOLINE DC/DC-Converter Application Examples High efficiency multiple output R-78B5.0-1.5 +Vin +5V@1A R05P215D/P +15V@66mA 22µF 0V Isolated Common -Vin -15V@66mA - Wide input range suits both 12V and 7.2V battery packs - 5.2kV isolated short circuit protected outputs for analogue circuits, e.g. medical grade interface - High efficiency +5V/1A protected output for digital circuits - Further decoupling filtering may be necessary between the converters +5V Rtn Isolated, wide Input range, Distributed Power Architecture (Point of Load) REC10-4805SRWZ/H [email protected] +Vin R-78B3.3-1.5 [email protected] C1 -Vin C2 - High isolation voltage - 1.6kV - Improved loading / line regulation - Wide Input Voltage Range - 18~75V - Point-of-Load Architecture - C1 is required. Further decoupling filtering may be necessary between the converters C2,C3 : optional R-78B1.8-1.5 [email protected] C3 0V Package Style and Pinning (mm) 3rd angle projection SIP3 PIN Package 8.50 8.50 17.5 RECOM R-78B5.0-1.5 **** Pb RECOM R-78B5.0-1.5 **** 0.51 typ. 1.50 max 0.7 typ. 4.10 Pb 4.10 Recommended Footprint Details 1.00 ø+0.15/0 11.50 3.21 4 2.54 Bottom View 0.25 1 2 3 L - Version 5.08 2.0 Top View Pin Connections Pin # 1 +Vin 2 GND 3 +Vout xx.x ±0.5mm xx.xx ±0.25mm 2.54 13-February-2007 www.recom-international.com