NSI45090DD: 45 V, 90 mA ±15% Adjustable Constant Current Regulator & LED Driver
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The adjustable constant current regulator is a simple, economical and robust device designed to provide a cost effective solution for regulating current in LEDs. The constant current regulator 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 constant current regulator 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.
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Technical Documentation & Design Resources
Design Notes (2) | Data Sheets (1) |
Tutorials (3) | Package Drawings (1) |
Application Notes (9) | Videos (1) |
Simulation Models (2) |
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NSI45090DDT4G |
Last Shipments ![]() |
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NSI45090DD | DPAK-3 | 369C | 1 | 260 | Tape and Reel | 2500 |
Market Leadtime (weeks) | : | Contact Factory |
PandS (2020-09-14 00:00) | : | >1K |
Case Outlines
369C
New Products |
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NCV7692
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Current Controllers for Automotive LED Lighting
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Support |
Featured Video |
110 Volt - T8 Fluorescent Tube Replacement using Constant Current Regulators (CCR) |
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