Overview
The NSI45020AT1G is a linear constant current regulator (CCR) designed by onsemi. This device is a simple, economical, and robust solution for regulating current in LEDs and other applications. It is based on Self-Biased Transistor (SBT) technology, which allows it to regulate current over a wide voltage range. The CCR is known for its immediate turn-on and requires no external components, making it versatile for high or low-side regulator designs. It is particularly suited for applications requiring high reliability and thermal robustness.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Regulated Current | 20 mA ± 10% | - |
| Maximum Voltage Rating | 45 V | V |
| Power Dissipation | 460 mW | mW |
| Package Type | SOD-123 | - |
| Thermal Resistance, Junction-to-Ambient | 600 °C/W | °C/W |
| Operating Temperature Range | -40°C to 85°C | °C |
| Certifications | AEC-Q101 Qualified, UL94-V0 Certified, RoHS Compliant | - |
Key Features
- Robust Power Package: 460 mW power dissipation capability.
- Wide Operating Voltage Range: Operates up to 45 V.
- Immediate Turn-On: Turns on immediately with only 0.5 V Vak.
- Voltage Surge Suppressing: Protects LEDs from voltage surges.
- UL94-V0 Certified and AEC-Q101 Qualified: Ensures high reliability and compliance with automotive and industrial standards.
- SBT (Self-Biased Transistor) Technology: Regulates current with a negative temperature coefficient.
- No External Components Required: Simplifies design and reduces component count.
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
Applications
- Automotive Lighting: Suitable for various automotive lighting applications due to its AEC-Q101 qualification.
- Industrial Lighting: Used in industrial lighting systems where high reliability and thermal robustness are essential.
- Commercial Signage: Ideal for LED signage and display applications that require constant current regulation.
- General LED Lighting: Applicable in any LED lighting system requiring a simple and cost-effective current regulation solution.
Q & A
- What is the regulated current of the NSI45020AT1G?
The regulated current is 20 mA ± 10%.
- What is the maximum voltage rating of the NSI45020AT1G?
The maximum voltage rating is 45 V.
- What package type is the NSI45020AT1G available in?
The device is available in the SOD-123 package.
- Does the NSI45020AT1G require any external components?
No, it does not require any external components.
- What certifications does the NSI45020AT1G hold?
It is AEC-Q101 Qualified, UL94-V0 Certified, and RoHS Compliant.
- What is the thermal resistance, junction-to-ambient, of the NSI45020AT1G?
The thermal resistance, junction-to-ambient, is 600 °C/W.
- What is the operating temperature range of the NSI45020AT1G?
The operating temperature range is -40°C to 85°C.
- Is the NSI45020AT1G environmentally friendly?
Yes, it is Pb-Free, Halogen Free/BFR Free, and RoHS Compliant.
- What technology is used in the NSI45020AT1G?
It uses Self-Biased Transistor (SBT) technology.
- How does the NSI45020AT1G protect LEDs from thermal runaway?
It has a negative temperature coefficient that protects LEDs from thermal runaway at extreme voltages and currents.
