Microchip Technology MIC28513
The MIC28513 is a synchronous step-down switching regulator with internal power switches capable of providing uFEATURES
● 4.6V to 45V Operating Input Voltage Supply● Up to 4A Output Current
● Integrated High-Side and Low-Side N-Channel MOSFETs
● HyperLight Load (MIC28513-1) and Hyper Speed Control (MIC28513-2) Architecture
● Enable Input and Power Good (PGOOD) Output
● Programmable Current-Limit and Foldback “Hiccup” Mode Short-Circuit Protection
● Built-In 5V Regulator for Single-Supply Operation
● Adjustable 200 kHz to 680 kHz Switching Frequency
● Fixed 5 ms Soft-Start
● Internal Compensation and Thermal Shutdown
● Thermally-Enhanced 24-Pin 3 mm x 4 mm FQFN Package
● –40°C to +125°C Junction Temperature Range
APPLICATIONS
● Industrial Power Supplies● Distributed Supply Regulation
● Base Station Power Supplies
● Wall Transformer Regulation
● High-Voltage Single-Board Systems
GENERAL DESCRIPTION