LA1631A
日期:2023-5-6Overview The LA1631A is an easy to use synchronous stepdown Buck, which integrated with highside and low-side power MOSFETs. The LA1631A can provide up to 1A of output current efficiently with current-mode control for fast loop response. Wide 4.5V to 48V input range accommodates a variety of power meter step-down applications. LA1631A uses high duty cycle and low dropout mode for low power meter input voltage conditions. The LA1631A achieves high power conversion efficiency over a wide load range by scaling down the switching frequency under light-load conditions to reduce switching and gate driving losses. The LA1631A has built-in full protection features, cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation. LA1631A is available in a cost-effective SOT23-6 package.