NSV45030AT1G

Current Regulation/Management Overview

The NSV45030AT1G is a two-terminal constant current regulator from onsemi, designed for LED lighting applications. It operates within an input voltage range of 45 V and delivers a regulated output current of 30 mA with ±10% accuracy. The device supports Buck and Boost topologies and features adjustable output voltage. It functions at frequencies between 100 Hz and 100 kHz, with a maximum supply current of 33 mA. The component is housed in an SOD-123 surface-mount package and is qualified to AEC-Q101 standards, ensuring reliability across an operating temperature range of -55°C to +150°C.

Current Regulation/Management Feature Summary

• Provides precise constant current regulation with high accuracy tolerance
• Supports flexible circuit integration via Buck and Boost topologies
• Engineered for automotive-grade reliability under extreme thermal conditions

Current Regulation/Management Applications

• LED lighting driver circuits
• Automotive illumination systems
• General-purpose constant current regulation tasks

Current Regulation/Management Procurement Notes

Verify the specific suffix 'A' indicates the ±10% current accuracy variant distinct from other precision levels. Confirm AEC-Q101 qualification status aligns with target automotive or industrial requirements. Ensure the SOD-123 package dimensions match the PCB footprint constraints. Validate that the 45 V input rating accommodates peak line voltages without exceeding absolute maximum ratings.

Current Regulation/Management Selection Notes

Select this component when a compact, two-terminal solution is required for driving LEDs with tight current tolerance. The wide operating temperature range makes it suitable for harsh environments. Consider the SOD-123 package size if space is limited. Verify compatibility with the intended PWM dimming frequency if active dimming is utilized in the design.

Current Regulation/Management Part Context

This part belongs to the NSI45030A series of two-terminal LED drivers. It serves as a simplified alternative to complex IC-based drivers by integrating regulation into a passive-like form factor. The series offers various accuracy grades and packages, positioning this model for cost-sensitive yet reliable lighting applications requiring minimal external components.

Current Regulation/Management Replacement Considerations

NSV45030T1G (±15% accuracy) and NSI45030AZT1G (SOT-223 package). Verify accuracy and thermal performance differences before substitution.