The expanded R-78B series now offers a 2-A on-board power supply. The switching regulators can reach efficiencies up to 96% without heat sinks. The series provides a power density of up to 17.5 W/cm³ in an SIP3 housing measuring 11.5 x 8.5 x 17.5 mm.
The switching regulator series are suited to replace 78xx linear regulators and are also pin compatible with linear regulators in TO-220 packages. The series offers a broad spectrum of output voltages spanning from 1.2 to 15 Vdc and input voltages up to 32 Vdc. At 96% efficiency, very little energy is lost through heat. Up to 30 W of power are provided over a temperature range from –40°C to 70°C without the need for heatsinks. Its output regulation protects against any sudden change in input voltage and keeps interference levels low and output voltage stable. The L-Version with 90° pins allows direct replacement for horizontally mounted regulators in which component height is critical. A short-circuit protection, low ripple and noise figures, and a 50-mA input current under short-circuit conditions round off the specifications of this versatile converter series. All modules are certified to IEC/EN62368-1 and EN55022 with a CB report and come with a three-year warranty.
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