NIRSP31 Triple-Channel Digital Isolators With Integrated DC to DC Converter Datasheet
■The NIRSP31 series devices are triple-channel digital isolators with integrated isolated DC-DC converter. The isolated DC-DC converter provides stable output voltage and up to 400mW output power by closed-loop control and transformer on chip. The feedback PWM signal is sent to primary side by a digital isolator based on Novosense capacity isolation technology. The high integrated solution can help simplify system design, save PCB area and improve reliability. The NIRSP31 series devices support 3kVrms insulation 1min withstand voltage. The data rate of the NIRSP31 series devices are up to 20Mbps, and the common-mode transient immunity (CMTI) is up to ±50kV/us.
■The NIRSP31 series devices provide 5V to 5V, 5V to 3.3V,3.3V to 3.3V conversion mode. The output voltage can be set by SEL pin.
●Key Features
■Power supply voltage:
▲VDD: 3V to 3.6V, 4.5V to 5.5V for NIRSP31V
◆4.5V to 5.5V for NIRSP31
▲VDDL: 1.8V to 3.6V, 4.5V to 5.5V
■Output Support Current:
▲80mA for 5V to 5V/3.3V
▲45mA for 3.3V to 3.3V
■Over current and over temperature protection
■Date rate: DC to 20Mbps
■High CMTI:± 50kV/us
■Propagation delay: <75ns
■Operation temperature: -40°C~125°C
■RoHS-compliant packages: LGA-18
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NIRSP31 、 NIRSP31-DLARR 、 NIRSP31V-DLARR 、 NIRSP31 series 、 NIRSP31V |
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[ Industrial Battery Management System ][ Industrial automation system ][ CAN ] |
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Datasheet |
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Please see the document for details |
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LGA;LGA-18;LGA18 |
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English Chinese Chinese and English Japanese |
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2023/4/12 |
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Revision 1.1 |
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2.2 MB |
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