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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 iW3638-03 is a high-power step-down LED driver and switching controller manufactured by Renesas Electronics. It supports a wide range of PWM dimming interfaces for solid-state lighting applications. The component operates within a supply voltage range of 7.5 V to 30 V and functions at temperatures between -40°C and +150°C. It utilizes an SOIC-8 package with SMD/SMT mounting style. The device provides constant current output and includes protection features such as OVP, OCP, UVLO, and OTP.
Feature Summary
- Supports wide range of PWM dimming interfaces
- High-power step-down topology for LED driving
- Integrated protection mechanisms including over-voltage, over-current, under-voltage lockout, and over-temperature
Applications
- Solid-state lighting systems
- Commercial LED drivers
- High-power step-down LED applications
Procurement Notes
Verify availability status directly with the manufacturer or authorized distributors, as this part may be subject to limited supply or special order requirements. Confirm RoHS compliance details and specific packaging options (Reel or Cut Tape) prior to ordering. Ensure the selected variant matches the required pinout and functional specifications for the target design.
Selection Notes
Select this component for designs requiring a buck converter topology with integrated LED drive capabilities. Consider the operating temperature range and input voltage limits when defining the power stage. Verify compatibility with the intended dimming interface protocols. Ensure the SOIC-8 package fits the PCB layout constraints.
Part Context
The iW3638-03 belongs to the iW3638 series of LED lighting drivers from Renesas. This series focuses on single-stage solutions for solid-state lighting. The component integrates control logic with power switching elements to simplify the bill of materials for high-power LED applications.
Replacement Considerations
Check for iW3638-02A as a potential alternative within the same series. Verify pin compatibility and electrical parameter alignment before substitution.
