Overview
The NSV45090JDT4G is an adjustable constant current regulator (CCR) produced by onsemi. This device is designed to provide a cost-effective solution for regulating current in LEDs and is based on Self-Biased Transistor (SBT) technology. It is qualified to the stringent AEC-Q101 standard, making it suitable for automotive, industrial, and commercial signage applications. The CCR is lead-free, RoHS compliant, and uses halogen-free molding compound, ensuring environmental and safety standards are met.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Anode-Cathode Voltage | Vak | - | - | 45 | V |
| Steady State Current @ Vak = 7.5 V | Ireg(SS) | 76.5 | 90 | 103.5 | mA |
| Voltage Overhead | Voverhead | - | 1.8 | - | V |
| Pulse Current @ Vak = 7.5 V | Ireg(P) | 86.2 | 103 | 119.6 | mA |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -55 | - | 175 | °C |
| Thermal Resistance, Junction-to-Ambient | RθJA | - | - | 70.6 | °C/W |
Key Features
- Robust Power Package: 2.7 Watts
- Adjustable up to 160 mA
- Wide Operating Voltage Range
- Immediate Turn-On
- Voltage Surge Suppressing - Protecting LEDs
- UL94-V0 Certified
- SBT (Self-Biased Transistor) Technology
- Negative Temperature Coefficient
- Eliminates Additional Regulation
- AEC-Q101 Qualified and PPAP Capable
- Pb-Free, Halogen Free/BFR Free and RoHS Compliant
Applications
- Automobile: Chevron Side Mirror Markers, Cluster, Display & Instrument Backlighting, CHMSL, Map Light
- AC Lighting Panels, Display Signage, Decorative Lighting, Channel Lettering
- Switch Contact Wetting
Q & A
- What is the maximum anode-cathode voltage for the NSV45090JDT4G? The maximum anode-cathode voltage is 45 V.
- What is the typical steady state current at Vak = 7.5 V? The typical steady state current is 90 mA.
- Is the NSV45090JDT4G RoHS compliant? Yes, it is Pb-Free, Halogen Free/BFR Free and RoHS compliant.
- What is the thermal resistance, junction-to-ambient for the NSV45090JDT4G? The thermal resistance, junction-to-ambient is up to 70.6 °C/W.
- Can the NSV45090JDT4G be used in automotive applications? Yes, it is AEC-Q101 qualified and suitable for automotive applications.
- How does the negative temperature coefficient protect LEDs? The negative temperature coefficient reduces the current as temperature rises, protecting the LEDs from thermal runaway.
- Can the NSV45090JDT4G be used in AC applications? Yes, it can be used with full wave rectified AC as described in application notes AND8433/D and AND8492/D.
- How is the current adjusted in the NSV45090JDT4G? The current can be adjusted by attaching a resistor between the Radj pin and the Cathode pin.
- What is the maximum junction temperature for the NSV45090JDT4G? The maximum junction temperature is 175 °C.
- Is the NSV45090JDT4G UL94-V0 certified? Yes, it is UL94-V0 certified.
