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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR 20MA TO92-3
- Series：-
- Mfr：Microchip Technology
- Package：Bag
- Type：Linear
- Topology：-
- Internal Switch(s)：-
- Number of Outputs：1
- Voltage - Supply (Min)：4.75V
- Voltage - Supply (Max)：90V
- Voltage - Output：1V ~ 90V
- Current - Output / Channel：20mA
- Frequency：-
- Dimming：-
- Applications：Lighting, Signage
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The CL520N3-G is a linear, fixed constant current LED driver manufactured by Microchip Technology. It is designed to drive LEDs at a fixed output current of 20mA. The device supports an input voltage range from 4.75V to 90V, allowing operation in both low-voltage and high-voltage lighting systems. It features a maximum rating of 90V, enabling it to withstand transient voltages without requiring additional protection circuitry. The component is housed in a 3-pin TO-92 package and operates within a junction temperature range of -40°C to +125°C.
Feature Summary
- Fixed linear current regulation for consistent LED brightness
- High voltage tolerance up to 90V with transient immunity
- Integrated design eliminating need for external transient protection
Applications
- Low-voltage lighting systems
- High-voltage signage applications
- General LED indicator circuits
Procurement Notes
Verify the specific suffix 'N3' confirms the TO-92 package variant when sourcing. Ensure the supplier provides documentation confirming the 20mA fixed current characteristic. Cross-reference the manufacturer part number CL520N3-G directly with official Microchip Technology records to avoid confusion with other CL520 series packages like TO-252.
Selection Notes
Select this component for applications requiring simple, cost-effective LED current regulation without complex PWM dimming requirements. It is suitable where a fixed 20mA drive is sufficient and the supply voltage varies between 4.75V and 90V. Consider the thermal performance in the TO-92 package relative to the power dissipation expected in the target circuit environment.
Part Context
The CL520 series includes variants such as the CL520K4-G in a TO-252 package. The CL520N3-G specifically denotes the through-hole TO-92 version. This family serves as a dedicated solution for driving single or multiple LEDs in series where constant current is critical for longevity and performance stability.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing circuit board layouts if considering alternative manufacturers, as pinouts and thermal characteristics may differ significantly.
