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R-78HB-W Arkusz danych(PDF) 1 Page - Recom International Power |
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R-78HB-W Arkusz danych(HTML) 1 Page - Recom International Power |
1 / 4 page BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Input Voltage Range (2) 5Vout 12Vout 9VDC 17VDC 48VDC 48VDC 72VDC 72VDC Short Circuit Input Current 15mA 25mA Quiescent Current Vin = 48VDC, 10% load 1mA 5mA Internal Power Dissipation 0.65W Operating Frequency Range full load 120kHz 800kHz Efficiency see Selection Guide Minimum Load (3) 10mA Output Ripple and Noise 20mVp-p 60mVp-p continued on next page I-1 REV.: 1/2016 www.recom-power.com DC/DC Converter 3 YEAR warranty 3 Specifications (measured at TA= 25°C, full load, nominal input voltage and after warm-up) Description The R-78HBxx/W-Series high efficiency, high input voltage switching regulators are ideally suited to replace 78xx linear regulators. The efficiency of up to 93% 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. A wide input voltage range allows the full stored energy utilization of standard 12, 24 and 36V batteries as well as COB LED drivers. No external components are required to make a complete regulated, short- circuit protected supply. A built-in protection diode allows high capacitive loads. Typical applications include Auxiliary fan CV power supplies powered from CC LED drivers, industrial, aerospace and battery powered applications. Features Switching Regulator • Efficiency up to 93%, no need for heatsinks • High voltage input range, up to 50V • Short Circuit Protection, Thermal Shutdown • All-in-one solution, no external components required 0.5 AMP SIP3 Wired Single Output R-78HB/W Selection Guide Part Input Output Output Efficiency Max. Capacitive Number Voltage Range (2) Voltage Current typ @ min Vin. Load (1) (VDC) (VDC) (A) (%) (µF) R-78HB5.0-0.5/W 9-72 5.0 0.5 86 100/6800 R-78HB12-0.5/W 17-72 12 0.5 93 100/6800 IEC60950-1 Certified EN60950-1 Certified EN55022 Certified Notes: Note1: with normal start-up time an no external components = 100µF with <1S start-up time = 6800µF Typical Application Circuit R-78HBxx-0.5/W +V IN -V IN -V OUT +V OUT 3.3µF/100V required if VIN= >50V Notes: Note2: The converter has built in soft start circuit. Rapidly changing the input voltage from VINmin to VINmax can bypass this circuit and damage the converter. Note3: Operation under no load will not damage the devices, however they may not meet all specifications. A minimum load of 10mA is recommended. |
Podobny numer części - R-78HB-W |
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Podobny opis - R-78HB-W |
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