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The ZXLD1352ET5TA is a continuous mode inductive step-down converter featuring an integrated switch and high-side current sense, designed for LED lighting applications. It operates from an input supply ranging from 7V to 30V, efficiently driving single or multiple series-connected LEDs. The device supports externally adjustable output currents up to 350mA and includes PWM dimming capability. Packaged in a TSOT-23-5 format, it functions within a temperature range of -40°C to +105°C with a maximum power dissipation of 450mW.
Verify the specific ordering suffix ET5TA against official Diodes Incorporated documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with system voltage ranges between 7V and 30V. Cross-reference thermal requirements against the 450mW power dissipation limit and operating temperature range of -40°C to +105°C before integration.
Select this component when a compact solution for driving series-connected LEDs from higher voltage rails is required. The integrated switch eliminates external MOSFETs, reducing board space. Verify that the load current does not exceed the 350mA limit and that the input voltage remains within the specified 7V to 30V window for stable operation.
This part belongs to the ZXLD1352 series of LED drivers by Diodes Incorporated. It is distinct from similar models like the ZXLD1350, which may offer different current ratings or pin configurations. The ET5TA suffix specifically denotes the TSOT-23-5 surface-mount package variant.
Direct substitutes include other ZXLD1352 variants with compatible packaging. Verify pinout compatibility and electrical parameters such as max current and input voltage range before swapping with generic buck converters.