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Product Detailed Parameters
- Description：IC LED DRIVER LINEAR 25MA TO252
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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：25mA
- Frequency：-
- Dimming：-
- Applications：Lighting, Signage
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252 (DPAK)
- Grade：-
- Qualification：-
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Overview
The CL525K4-G is a linear constant current LED driver IC manufactured by Microchip Technology. It features a single output channel capable of delivering a fixed 25mA drive current. The device supports an input supply voltage range from 4.75V to 90V and provides an output voltage compliance window of 1V to 90V. Designed for surface-mount applications, it utilizes a TO-252 (DPAK) package with three leads. The component operates within a junction temperature range of -40°C to 125°C and complies with RoHS3 standards.
Feature Summary
- Linear regulation architecture for stable constant current output
- Wide input voltage tolerance supporting high-voltage LED strings
- Integrated thermal protection mechanisms for reliable operation
Applications
- General LED lighting systems
- Commercial signage illumination
- High-voltage LED string drivers
Procurement Notes
Verify the specific ordering suffix to ensure the correct packaging configuration matches production requirements. Confirm that the selected variant aligns with the required lead frame material and tape specifications. Cross-reference the manufacturer's latest datasheet revision to validate electrical characteristics against design constraints. Ensure compatibility with existing PCB footprint dimensions and thermal management strategies during integration.
Selection Notes
Select this component when a simple linear solution is sufficient for low-power LED applications requiring minimal external circuitry. The fixed 25mA output is suitable for standard indicator or accent lighting tasks. Consider the thermal dissipation capabilities inherent to the DPAK package when designing the heat sink interface. Evaluate the efficiency implications of linear regulation versus switching alternatives for battery-operated designs.
Part Context
This part belongs to the CL525 family of constant current LED drivers from Microchip Technology. The series offers various output current options and package configurations to accommodate different power levels. The CL525K4-G specifically targets applications needing a robust, cost-effective linear driver with wide voltage input capability.
Replacement Considerations
Consult official substitution lists for compatible parts within the CL525 series. Verify pinout compatibility and thermal performance equivalence before replacing components in existing designs.
