Nsi45090ddt4g Adjustable Constant Current Regulator & Led Driver

  The adjustable constant current Regulator (CCR) is a simple, economical and robust device designed to provide a cost effective solution for regulating current in LEDs The CCR is based on patent- pending Self- Biased Transistor (SBT) technology and regulates current over a wide voltage range. It is designed with a negative temperature coefficient to protect LEDs from thermal runaway at extreme voltages and currents. The CCR turns on immediately and is at 20% of regulation with only 0.5 V Vak. The Radj pin allows Ireg(SS) to be adjusted to higher currents by attaching a Resistor between Radj (Pin 3) and the Cathode (Pin 4). The Radj pin can also be left open (No Connect) if no adjustment is required. It requires no external components allowing it to be designed as a high or low-side Regulator The high anodecathode voltage rating withstands surges common in Automotive Industrial and Commercial Signage applications. This device is available in a thermally robust package, which is lead-free RoHS compliant and uses halogen- free molding compound. For the AEC-Q101 part please see the NSI45090JD datasheet.NSI45090DDT4G's datasheet is the same as NSI45090DDT4G
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NSI45090DDT4G pinout from datasheet
Item: NSI45090DDT4G
File Size : 17 KB
Pages : 6 Pages

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ON Semiconductor

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