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R-78B5.0-1.5L Dataheets PDF



Part Number R-78B5.0-1.5L
Manufacturers Recom
Logo Recom
Description DC/DC-Converter
Datasheet R-78B5.0-1.5L DatasheetR-78B5.0-1.5L Datasheet (PDF)

Features Switching Regulator • Efficiency up to 95%, no heatsinks required • Pin compatible with LM78XX linears • Low profile (L/W/H=11.5 x 8.5 x 17.5mm) • Wide input range • Short circuit protection, thermal shutdown • Low ripple and noise • „L“ version with 90° pins DC/DC Converter R-78B-1.5(L) RE CTS RE CTS y w ERS CO ERS CO 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 o.

  R-78B5.0-1.5L   R-78B5.0-1.5L



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Features Switching Regulator • Efficiency up to 95%, no heatsinks required • Pin compatible with LM78XX linears • Low profile (L/W/H=11.5 x 8.5 x 17.5mm) • Wide input range • Short circuit protection, thermal shutdown • Low ripple and noise • „L“ version with 90° pins DC/DC Converter R-78B-1.5(L) RE CTS RE CTS y w ERS CO ERS CO 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. 1.5 Amp SIP3 YEAR 3 arrant Single Output Selection Guide Part Number R-78B3.3-1.5 (1) R-78B5.0-1.5 (1) R-78B6.5-1.5 (1) Input Voltage Range [VDC] 4.75 - 18 6.5 - 18 8.0 - 18 Output Voltage [VDC] 3.3 5.0 6.5 Output Efficiency Current @ min Vin @ max. Vin [A] [%] [%] 1.5 91 88 1.5 94 92 1.5 95 93 Selection Guide (NRND, last time buy: 16th Nov 2020) Part Number R-78B1.5-1.5 (1) R-78B1.8-1.5 (1) R-78B2.5-1.5 (1) Input Voltage Range [VDC] 4.75 - 18 4.75 - 18 4.75 - 18 Output Voltage [VDC] 1.5 1.8 2.5 Output Efficiency Current @ min Vin @ max. Vin [A] [%] [%] 1.5 83 78 1.5 85 81 1.5 88 84 Model Numbering R-78B__-1.5(L) Output Voltage Pinning Output Current Notes: Note1: add suffix “L” for 90° bent pins, e.g. R-78B5.0-1.5L Specifications (measured @ Ta= 25°C, 10% minimum load, unless otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Quiescent Current nom. Vin= 12VDC 7mA 9mA Internal Power Dissipation Vout= 1.5VDC 0.65W Internal Operating Frequency nom. Vin= 12VDC 300kHz 340kHz 380kHz Minimum Load (2) 0% Output Ripple and Noise (3) 20MHz BW 15mVp-p 30mVp-p Ref. Back Ripple Current 150mAp-p 200mAp-p Absolute Maximum Capacitive Load 1 second start up, no external components <1 second start up + diode protection circuit 1000µF 6800µF Notes: Note2: Operation under no load will not harm the converter, but specifications may not be met A minimum load of 10mA is recommended Note3: Output Ripple and Noise is tested from 10% to 100% load continued on next page COM CONVERT RoHS 2+ compliant 10 from 10 M PLIANT PRODU COM CONVERT REACH compliant M PLIANT PRODU EN55032 compliant IEC/EN60950-1 certified PREFERRED ALTERNATIVES Please consider these alternatives: R-78B-2.0 Series www.recom-power.com REV.: 5/2020 I-1 R-78Bxx-1.5(L) DC/DC Converter Specifications (measured @ Ta= 25°C, 10% minimum load, unless otherwise stated) Series Efficiency vs. Vin (full load) 100 90 80 70 Efficiency [%] 60 50 40 30 20 10 0 4.75 7 9 11 13 Input Voltage [.


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