RSVR series Non-isolated switching DC/DC converter 0.5 A output current 3 Pin SIP3 package Non isolated ■ Wide input range ■ Full SMD technology ■ Pin-out compatible with LM78MXX voltage regulator ■ Efficiency up to 97% ■ -40°C~85°C operation temperature range ■ ■ OUTPUT SPECIFICATIONS NOTE Voltage accuracy ± 2% Line regulation ± 0.5% Load regulation (From 10% to 100% Load) ± 0.6% Ripple & Noise (20 MHz bandwith) (1) 60 mV pk-pk Short circuit protection indefinite (automatic recovery) Temperature coefficient ± 0.02%/°C Capacitor load (2) See table 1) Ripple / Noise measured with 20 MHz bandwith. 2) Tested by minimal Vin and constant resistive load. 3) Measured input reflected ripple current with a simulated source inductance of 12uH. 4) Exceeding the absolute ratings of the unit could cause damage. It is not allowed for continuous operating. 5) Operation under no-load conditions will not damage these devices. However they may not meet all listed specifications. INPUT SPECIFICATIONS Voltage range Max. input current No-load input current Input filter Input reflected ripple current (3) See table See table See table Capacitors 35 mA pk-pk GENERAL SPECIFICATIONS Efficiency Switching frequency Humidity Reliability calculated MTBF (MIL-HDBK-217F) APPLICATION EXAMPLES High efficiency, isolated, dual unregulated outputs, one economic way to build up isolated dual output See table 330 kHz typ. 95% rel. H > 4.5 Mhrs. RSVR-78MXX Isolated dual outputs Wide input range 4.75 to 34V ■ C1: optional ■ C2: required (further decoupling filtering may be necessary between the two converters) ■ PHYSICAL SPECIFICATIONS Case material Pin material Potting material Weight Dimensions Non-conductive black plastic (UL94V-0 rated) 0.5 mm Alloy42 solder-coated Epoxy (UL94V-0 rated) 1.8 g 0.46“ x 0.29“ x 0.4“ ■ Isolated (up to 6kV), wide input range regulated output ENVIRONMENT SPECIFICATIONS Operating temperature (See derating curve) -40°C~ 85°C Maximum case temperature 100°C Storage temperature -40°C~125°C Cooling Nature convection RSVR-78MXX High isolation voltage Wide input voltage range ■ Improved loading / line regulation ■ Point-of-load architecture ■ C1: required (further decoupling filtering may be necessary between the two converters) ■ C2: optional ■ ■ ABSOLUTE MAXIMUM RATINGS (4) These are stress ratings. Exposure of devices to any of these conditions may adversely affect long-term reliability. Input voltage -0.3 ~ 34 VDC max. Lead soldering temperature 260°C (1.5 mm from case 10 sec.) All specifications typical at Ta = 25°C, nominal input voltage and full load unless otherwise specified. The information and specifications contained in this data sheet are believed to be correct at time of publication. However, we accept no responsibility for consequences arising from printing errors or inaccuracies. Subject to change without notice. Page: 1/2 Last update: 16.02.09 RSVR series Non-isolated switching DC/DC converter 0.5 A output current NUMBER STRUCTURE RSVR - 78M DERATING CURVE XX Series name RSVR Package Output current 0.5 A Output Voltage 1R5=1.5V 1R8=1.8V 2R5=2.5V 3R3=3.3V 05=5V 6R5=6.5V 7R2=7.2V 09=9V 12=12V 15=15V MODEL SELECTION GUIDE Model Number Input Range VDC Input current (mA) Output No Load / Full Load VDC Output current Full Load (mA) Efficiency @FL (%) Capacitor Power Load (HF) (Watt) RSVR-78M1R5 RSVR-78M1R8 RSVR-78M2R5 RSVR-78M3R3 RSVR-78M05 RSVR-78M6R5 RSVR-78M7R2 RSVR-78M09 RSVR-78M12 RSVR-78M15 4.75 - 30 4.75 - 34 4.75 - 34 4.75 - 34 6.5 - 34 8.0 - 34 9.0 - 34 11 - 34 15 - 34 18 - 34 8 / 202 - 38 8 / 231 - 38 8 / 302 - 48 8 / 381 - 60 8 / 409 - 86 8 / 427 - 108 8 / 421 - 118 8 / 426 - 144 8 / 412 - 188 8 / 430 - 232 500 500 500 500 500 500 500 500 500 500 78 - 65 82 - 70 87 - 76 91 - 81 94 - 85 95 - 88 95 - 89 96 - 92 97 - 94 97 - 95 220 220 220 220 220 220 220 220 220 220 MECHANICAL SPECIFICATIONS 1.5 1.8 2.5 3.3 5.0 6.5 7.2 9.0 12 15 0.75 0.9 1.25 1.65 2.5 3.25 3.6 4.5 6 7.5 STANDARD APPLICATION CIRCUIT RSVR-78MXX To protect the converter during power-up, use soft start Vin and C1 = 47uF ■ C2 = 100uF (optional) ■ PIN CONNECTIONS Notes: All dimensions are typical in millimeters (inches). 1) Pin diameter: 0.5 ± 0.05 (0.02 ± 0.002) 2) Pin pitch tolerance: ± 0.35 (± 0.014) 3) Case tolerance: ± 0.5 (± 0.02) The models listed are just for standard type. If you need a special specification product, please contact our service. Phone: +49 69 984047-0, mail to: [email protected] or use the forms on www.rsg-electronic.de („Kontakt“). RSG Electronic Components GmbH Sprendlinger Landstr. 115 D-63069 Offenbach Pin Number Single 1 2 3 +V Input GND +V Output Page: 2/2 Last update: 16.02.09 Tel. +49 69 984047-0 Fax +49 69 984047-77 mail: [email protected] www.rsg-electronic.de