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Product Detailed Parameters
- Description：HIGH-PERFORMANCE STEP-DOWN DC/DC
- Series：-
- Mfr：Renesas Electronics Operations Services Limited
- Package：Tape & Reel (TR)
- Type：DC DC Controller
- Topology：Step-Down (Buck)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：22V
- Voltage - Supply (Max)：65V
- Voltage - Output：21.56V ~ 63.7V
- Current - Output / Channel：-
- Frequency：-
- Dimming：Analog, PWM
- Applications：LED Lighting
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：10-SOP (0.154", 3.90mm Width)
- Supplier Device Package：10-SOIC
- Grade：-
- Qualification：-
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Overview
The IW380-42B is a high-performance second-stage buck LED driver IC from the iW380 series, manufactured by Renesas. It features an integrated MOSFET and supports input voltages from 22 V to 78 V with a switching frequency of 600 kHz. The device offers 100% dimming range with a resolution of 0.0625%, supporting PWM, analog, and 0-10V dimming methods. It provides 3% LED current accuracy and up to 150 W output power. Operating in SOIC-10 packages, it functions within -40°C to +150°C temperatures.
Feature Summary
- Integrates True DC Dimming Technology for flicker-free operation
- Supports DALI-2 compliance for commercial lighting systems
- Includes comprehensive protection features such as OVP, OCP, OSP, UVLO, and OTP
- Optimized for stage lighting applications with high-resolution control
Applications
- Commercial solid-state lighting systems
- Stage lighting fixtures
- High-performance dimmable LED drivers
Procurement Notes
Verify component authenticity through authorized Renesas distributors or official channels. Confirm package integrity and pin alignment against SOIC-10 specifications. Check datasheet revisions for updated electrical characteristics. Ensure storage conditions meet moisture sensitivity level requirements before assembly.
Selection Notes
Select this controller for applications requiring high-voltage buck conversion with precise dimming control. Consider the integrated MOSFET for simplified design and reduced component count. Evaluate thermal management needs given the wide operating temperature range. Verify compatibility with existing dimming protocols like DALI-2 or 0-10V interfaces.
Part Context
Part of the iW380 family designed for high-resolution LED driving. Focuses on commercial and professional lighting sectors. Combines power stage and control logic in a single package. Targets efficiency and reliability in demanding lighting environments.
Replacement Considerations
Consult official Renesas documentation for direct cross-references. Verify pinout and electrical parameter compatibility before substitution. No public substitute part numbers are confirmed in available data.
FAQ
What dimming methods does the IW380-42B support?
It supports PWM, analog, and 0-10V dimming methods.
Is the IW380-42B compliant with DALI-2 standards?
Yes, the device is optimized for DALI-2 compliance in commercial lighting.
What is the maximum input voltage for this IC?
The maximum input voltage is 78 V.
