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Product Detailed Parameters
- Description：IC LED DRVR LIN PWM 50MA 28SOP
- Series：-
- Mfr：Omron Electronics Inc-EMC Div
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Linear
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：9
- Voltage - Supply (Min)：3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：-
- Current - Output / Channel：50mA
- Frequency：-
- Dimming：PWM
- Applications：-
- Operating Temperature：-20°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：28-LSSOP (0.220", 5.60mm Width)
- Supplier Device Package：28-SOP
- Grade：-
- Qualification：-
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Overview
The W2RF004RM is a linear LED driver IC manufactured by Omron Electronics Inc-EMC Div. It features nine outputs designed for linear PWM dimming applications, supporting a maximum output current of 50mA per channel. The device operates within a supply voltage range of 3V to 5.5V. Packaged in a 28-SOP format, it integrates internal switching capabilities to manage multiple LEDs with precise brightness control.
Feature Summary
- Supports nine independent output channels for multi-LED configurations
- Enables precise brightness adjustment through linear PWM dimming technology
- Integrates internal switches to simplify circuit design and reduce external component count
Applications
- Multi-zone LED lighting systems requiring individual channel control
- Applications demanding precise linear dimming for visual comfort
- Compact electronic devices utilizing SOP packaging constraints
Procurement Notes
Verify the specific manufacturer designation and package type against official documentation before procurement. Ensure compatibility with the required supply voltage range of 3V to 5.5V. Confirm that the nine-output configuration meets the target application's channel requirements. Cross-reference the part number with authorized distributor lists to ensure authenticity and traceability.
Selection Notes
Select this component when a compact solution for driving multiple LEDs with synchronized or independent dimming is required. The 28-SOP package suits space-constrained designs. Verify that the 50mA output current capability aligns with the connected LED load specifications. Consider the linear PWM approach if smooth dimming characteristics are prioritized over efficiency compared to other topologies.
Part Context
This IC belongs to the category of power management integrated circuits, specifically tailored for LED drivers. It addresses the need for controlled illumination in modern electronics. The integration of multiple outputs into a single small-outline package allows for reduced board space and simplified assembly processes in consumer and industrial lighting products.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided data. Evaluate alternative components based on matching pinout, output current capacity, and dimming functionality. Ensure any replacement supports the same 3V to 5.5V supply range and 28-SOP form factor.
