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Product Detailed Parameters
- Description：IC LED DRVR LIN PWM 200MA 8SOP
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：5V
- Voltage - Supply (Max)：42V
- Voltage - Output：42V
- Current - Output / Channel：200mA
- Frequency：-
- Dimming：PWM
- Applications：Lighting
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width) Exposed Pad
- Supplier Device Package：8-SOP-EP
- Grade：-
- Qualification：-
Download product information
Overview
The IS31LT3172-GRLS4-TR is a linear LED driver IC manufactured by Lumissil Microsystems, designed for lighting applications requiring precise current control. It features an internal switch and supports PWM dimming with a maximum output current of 200mA per channel. The device operates within a supply voltage range of 5V to 42V and provides a maximum output voltage of 42V. It is housed in an 8-SOP-EP package with a bare pad for thermal dissipation. The component functions reliably across an operating temperature range of -40°C to 125°C (TA).
Feature Summary
- Linear constant current regulation with excellent temperature stability.
- Integrated internal power MOSFET switch for simplified design.
- Supports PWM dimming for brightness control.
Applications
- General lighting systems
- Commercial lighting fixtures
- Residential lighting solutions
Procurement Notes
Verify the part status carefully as this specific item is listed as obsolete or end-of-life. Confirm availability through authorized distributors for remaining stock or consider alternative sourcing strategies. Ensure the ordering suffix matches the required packaging format, such as tape and reel or cut tape, when placing orders for legacy components.
Selection Notes
Select this component for designs requiring a single-channel linear LED driver with integrated switching capabilities. It is suitable for applications needing adjustable current settings via a single external resistor. Consider the 8-SOP-EP package for thermal management requirements and verify compatibility with the system's input voltage range up to 42V.
Part Context
This part belongs to the IS31LT31xx series of linear LED drivers from Lumissil Microsystems. These devices are monolithic solutions intended for general lighting markets, including commercial and residential sectors. The series offers flexibility in design with built-in protections to ensure extended life operation under various environmental conditions.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. As the product is marked as obsolete, consult manufacturer resources for potential cross-references or updated series replacements.
