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The AS1103-T is a linear LED driver manufactured by ams-OSRAM USA INC. It features four independent output channels, each capable of delivering up to 40mA of current. The device supports both analog and PWM dimming methods for precise light control. Output voltage ranges from 0.15V to 3.6V. Designed for backlight applications, it operates within an extended temperature range of -40°C to 85°C. The component utilizes internal switches and is supplied in tape and reel packaging.
Verify the obsolete status of this specific part number before design finalization. Confirm availability through authorized distributors or secondary market sources. Ensure that the linear topology and current limits meet the target application requirements without requiring external components for basic operation.
Consider the four-channel configuration and 40mA per channel limit when designing the circuit. Evaluate the need for analog versus PWM dimming based on system complexity. Check thermal management requirements given the linear regulation approach and operating temperature range.
This component belongs to the LED drivers category under power management solutions. It serves as a dedicated controller for multi-zone lighting needs, specifically targeting portable and display-related electronics where space and efficiency are critical constraints.
No public confirmed substitute part numbers are available in the provided documentation. Due to the obsolete status, alternative sourcing strategies or redesign with currently active components may be necessary.