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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR PWM 8SOIC
- Series：-
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：Flyback, Step-Down (Buck)
- Internal Switch(s)：No
- Number of Outputs：1
- Voltage - Supply (Min)：7.5V
- Voltage - Supply (Max)：30V
- Voltage - Output：-
- Current - Output / Channel：-
- Frequency：-
- Dimming：Analog, PWM
- Applications：LED Lighting
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The iW3638-02 is a high-power step-down LED driver switch controller from Renesas. It supports a wide range of PWM dimming interfaces and is designed for solid-state lighting applications. The component operates within an input voltage range of 90 to 305 V and delivers up to 90 W of output power. It features a single-stage architecture with a switching frequency between 72 and 90 kHz. The device provides LED current accuracy of 3% and supports dimming ranges from 1% to 100%. It includes protection features such as overvoltage, overcurrent, UVLO, and OTP.
Feature Summary
- Supports wide range of PWM dimming interfaces
- High-Power Step-Down LED Driver functionality
- Integrated protection mechanisms including OVP, OCP, UVLO, and OTP
Applications
- Solid State Lighting
- Commercial Lighting
- High-Power LED Drivers
Procurement Notes
Verify availability status carefully before design finalization. Mouser indicates the part is currently not supplied in certain regions, suggesting limited stock or factory special order requirements. Confirm lead times and supply constraints directly with authorized distributors or the manufacturer prior to procurement planning to avoid production delays.
Selection Notes
Select this component for designs requiring high-power step-down LED driving with flexible PWM dimming support. Ensure the application demands an input voltage range compatible with 90-305 V operation. Verify that the required output power does not exceed 90 W and that the single-stage topology aligns with system efficiency goals. Check package compatibility for SOIC-8 if applicable.
Part Context
The iW3638-02 belongs to the iW3638 series of switching controllers manufactured by Renesas Electronics. It is categorized under PMIC - Power Management ICs. The series is designed for efficient power management in lighting applications, offering integrated control features to simplify design implementation for commercial and industrial LED systems.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official cross-reference lists or contact Renesas technical support for verified alternatives.
