LM46000 3.5-V to 60-V, 0.5-A Synchronous Step-Down Voltage Converter

1 Features

24-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 Prebiased Load
Internal Soft Start: 4.1 ms
Extendable Soft-Start Time by External Capacitor
Output Voltage Tracking Capability
Precision Enable to Program System UVLO
Output Short-Circuit Protection With Hiccup Mode
Overtemperature Thermal Shutdown Protection
Create a Custom Design Using the LM46000 With the WEBENCH® Power Designer