SP7121EK-L/TR

Description：IC LED DRVR LIN PWM 25MA SOT23-6
Series：-
Mfr：MaxLinear, Inc.
Package：Tape & Reel (TR)

SKU:7c8390ab2b7b Category: LED Drivers IC Brand: MaxLinear, Inc.

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Product introduction

Product Detailed Parameters

Description：IC LED DRVR LIN PWM 25MA SOT23-6
Series：-
Mfr：MaxLinear, Inc.
Package：Tape & Reel (TR)
Type：Linear
Topology：-
Internal Switch(s)：Yes
Number of Outputs：2
Voltage - Supply (Min)：2.7V
Voltage - Supply (Max)：5.5V
Voltage - Output：-
Current - Output / Channel：25mA
Frequency：-
Dimming：PWM
Applications：Backlight
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：SOT-23-6
Supplier Device Package：SOT-23-6
Grade：-
Qualification：-

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SP7121EK-L/TR

Overview

The SP7121EK-L/TR is a dual-channel linear LED driver manufactured by MaxLinear, Inc. It operates within a supply voltage range of 2.7V to 5.5V and provides a fixed output current of 25mA per channel. The device utilizes a SOT-23-6 package and supports both linear dimming and PWM dimming control methods. It features internal switches for two outputs and is designed for low-power LED lighting applications.

Feature Summary

Dual-channel linear LED driver with integrated internal switches
Supports both linear and PWM dimming control methods
Operates on a single supply voltage ranging from 2.7V to 5.5V

Applications

LED lighting drivers for common cathode configurations
Portable electronic device backlighting
Low-power indicator lighting systems

Procurement Notes

Verify the manufacturer designation, as this component has been produced by Exar Corporation, SIPEX, and MaxLinear, Inc. Ensure the datasheet corresponds to the specific production batch to confirm electrical characteristics and pinout compatibility. Confirm the package type is SOT-23-6 and that the suffix indicates tape and reel packaging.

Selection Notes

Select this component when a dual-channel solution with precise 25mA constant current regulation is required. It is suitable for designs needing both analog and digital dimming capabilities within a compact SOT-23-6 footprint. Ensure the system supply voltage remains within the 2.7V to 5.5V operational range for proper functionality.

Part Context

This part belongs to the SP7121 series of LED drivers. Related variants include the SP7121EK-L (non-tape/reel) and SP7121EB (evaluation board). The series is categorized under PMIC LED drivers and is often associated with legacy Exar and SIPEX product lines now managed by MaxLinear.