LM43603

Product Folder Order Now Technical Documents Tools & Software Support & Community LM43603 SNVSA09D – APRIL 2014 – REVISED AUGUST 2017 LM43603 3.5-V to 36-V, 3A Synchronous Step-Down Voltage Converter 1 Features 1 27-µA Quiescent Current in Regulation High Efficiency at Light Load (DCM and PFM) Meets EN55022/CISPR 22 EMI standards Integrated Synchronous Rectification Adjustable Frequency Range: 200 kHz to 2.2 MHz (500 kHz default) Frequency Synchronization to External Clock Internal Compensation Stable with Almost Any Combination of Ceramic, Polymer, Tantalum, and Aluminum Capacitors Power-Good Flag Soft Start into a Pre-Biased Load Internal Soft-Start: 4.1 ms Extendable Soft-Start Time by External Capacitor Output Voltage Tracking Capability Precision Enable to a Program System UVLO Output Short Circuit Protection with Hiccup Mode Overtemperature Thermal Shutdown Protection Create a Custom Design Using the LM43603 with the WEBENCH® Power Designer 2 Applications Industrial Power Supplies Telecommunications Systems Sub-AM Band Automotive General Purpose Wide VIN Regulation High Efficiency Point-Of-Load Regulation space space Simplified Schematic VIN CIN VIN SW LM43603 ENABLE PGOOD SS/TRK RT SYNC AGND CBOOT BIAS FB VCC PGND L CBOOT VOUT COUT CBIAS CFF RFBT CVCC RFBB C001 3 Description The LM43603 regulator is an easy-to-use synchronous step-down DC-DC converter capable of driving up to 3 A of load current from ...