ULD5133 Overview
UTC ULD5133 is a controller, which drives external NMOSFET to remove the 100/120Hz LED current ripple on AC/DC power by a capacitor between VC and GND. The chip ensures minimum power dissipation on NMOSFET while removing LED current ripple relying on the adaptive technology. UTC ULD5133 allows user to setup the maximum cathode voltage of LED string by sensing the drain voltage of NMOSFET which could help limit the...
ULD5133 Key Features
- Controller for adaptive 100/120Hz current ripple remover
- Amplitude of LED current ripple programming
- Maximum cathode voltage of LED programming
- Maximum LED current programming
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