Overview
The NSV45015WT1G is a linear constant current regulator (CCR) produced by onsemi. This device is designed to provide a cost-effective solution for regulating current in LEDs and other applications. It is based on Self-Biased Transistor (SBT) technology and regulates current over a wide voltage range. The CCR features immediate turn-on, requires no external components, and has a high anode-cathode voltage rating, making it suitable for various applications including automotive, industrial, and commercial signage.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Anode-Cathode Voltage | Vak Max | 45 | V | ||
| Reverse Voltage | VR | 500 | mV | ||
| Operating and Storage Junction Temperature Range | TJ, Tstg | -55 | 150 | °C | |
| Steady State Current @ Vak = 7.5 V | Ireg(SS) | 12 | 15 | 18 | mA |
| Voltage Overhead @ Vak = 7.5 V | Voverhead | 1.8 | V | ||
| Pulse Current @ Vak = 7.5 V | Ireg(P) | 12.7 | 16.5 | 19.4 | mA |
| Capacitance @ Vak = 7.5 V | C | 2.5 | pF | ||
| Capacitance @ Vak = 0 V | C | 5.7 | pF | ||
| Thermal Resistance, Junction-to-Ambient | RθJA | 600 | °C/W |
Key Features
- Robust Power Package: 460 mW
- Wide Operating Voltage Range
- Immediate Turn-On
- Voltage Surge Suppressing - Protecting LEDs
- SBT (Self-Biased Transistor) Technology
- Negative Temperature Coefficient
- 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 primary function of the NSV45015WT1G? The NSV45015WT1G is a linear constant current regulator designed to regulate current in LEDs and other similar applications.
- What technology is used in the NSV45015WT1G? It is based on Self-Biased Transistor (SBT) technology.
- What is the maximum anode-cathode voltage rating of the NSV45015WT1G? The maximum anode-cathode voltage rating is 45 V.
- Does the NSV45015WT1G require external components? No, it does not require any external components.
- What is the typical steady-state current of the NSV45015WT1G at 7.5 V? The typical steady-state current is 15 mA.
- What are the operating and storage temperature ranges for the NSV45015WT1G? The operating and storage temperature range is from -55°C to 150°C.
- Is the NSV45015WT1G RoHS compliant? Yes, it is Pb-Free, Halogen Free/BFR Free and RoHS Compliant.
- What are some common applications of the NSV45015WT1G? Common applications include automotive lighting, AC lighting panels, display signage, and decorative lighting.
- How does the NSV45015WT1G protect LEDs from thermal runaway? It features a negative temperature coefficient that reduces current as temperature rises, protecting LEDs from thermal runaway.
- Can the NSV45015WT1G be used in AC applications? Yes, it can be used with full-wave rectified AC as described in application notes.
