R-78E5.0-1.0 RECOM POWER

C C S S O O R R E E M M T T P P R R L L I I E E A A V V N N N N T T Efficiency up to 91%, no need for heatsinks Features Pin-out compatible with LM78XX linears DC/DC Converter Low profile (LxWxH=11.6 x 8.5 x 10.4mm) Wide input range (7V - 28V) Switching Short circuit protection Regulator R-78E-1.0 IEC/EN60950-1 + AM2 certified Description 1.0 Amp The R-78E series is a switching regulator module that has been designed to offer all the advantages of a 3 SIP3 switching regulator (high efficiency, wide input range, accurate output voltage regulation) but with a low cost for production quantities. Due to the R-78Es high efficiency of up to 91% at an output voltage of 5V/1A at the output, no heat sink is required. The compact TO- 220 compatible SIP3 package measures Single Output only 11.6 x 8.5 x 10.4 mm, so it saves precious board space. The warranty is 3 years. Selection Guide (1) Part Input Output Output Efficiency max. Capacitive (2) Number Voltage Range Voltage Current min. Vin max. Vin Load VDC VDC A % % F R-78E3.3-1.0 7-28 3.3 1.0 91 84 220 R-78E5.0-1.0 8-28 5.0 1.0 93 85 220 R-78E12-1.0/X9 15-27 12 1.0 97 93 100 Notes: Note1: Efficiency is tested at full load at +25C ambient Note2: Max. Cap Load is tested by nominal input and full resistive load 2+ RoHS REACH compliant compliant 10 from 10 Model Numbering IEC60950-1 certified R-78E -1.0/X9 EN60950-1 certified (3) Output Voltage Potting Material Output Current Notes: Note3: R-78E12-1.0/X9 is available with epoxy potting only. For more information refer to Material Specifications (measured at Ta= 25C, full load, Vin= 24VDC and after warm-up) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Input Current min. Vin 1000mA Quiescent Current 1.5mA 3.3 & 5Vout 330kHz Internal Operating Frequency 12Vout 570kHz Minimum Load only R-78E12-1.0/X9 2% (4) Output Ripple and Noise 20MHz BW 120mVp-p Notes: Note4: Measurements are made with a 100nF MLCC across output (low ESR) continued on next page www.recom-power.com REV.: 8/2021 I-1 O O P P C C R R O O M M D D O O U U C C C C E E T T R R S SR-78E-1.0 DC/DC Converter Series Specifications (measured at Ta= 25C, full load, Vin= 24VDC and after warm-up) Efficiency vs. Load R-78E3.3-1.0 R-78E5.0-1.0 100 100 90 90 80 80 70 70 60 60 50 50 40 40 30 30 7Vin 8Vin 12Vin 12Vin 20 20 24Vin 24Vin 10 28Vin 10 28Vin 0 0 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 Output Load % Output Load % R-78E12-1.0/X9 100 90 80 70 60 50 40 30 15Vin 20 18Vin 24Vin 10 27Vin 0 0 10 20 30 40 50 60 70 80 90 100 Output Load % REGULATIONS Parameter Condition Value Output Accuracy 3.0% typ. / 5.0% max. Line Regulation low line to high line, full load 1.0% max. Load Regulation typ Vin. and 10% to 100% load 1.5% max. PROTECTIONS Parameter Condition Value Short Circuit Protection (SCP) Continuous, automatic recovery www.recom-power.com REV.: 8/2021 I-2 Efficiency % Efficiency % Efficiency %