LTC3568
Features n Uses Tiny Capacitors and Inductor n High Frequency Operation: Up to 4MHz n Low RDS(ON) Internal Switches: 0.110Ω n High Efficiency: Up to 96% n Stable with Ceramic Capacitors n Current Mode Operation for Excellent Line and Load Transient Response n Short-Circuit Protected n Low Dropout Operation: 100% Duty Cycle n Low Shutdown Current: IQ ≤ 1µA n Low Quiescent Current: 60µA n Output Voltages from 0.8V to 5V n Selectable Burst Mode® Operation n Sychronizable to External Clock n Small 3mm × 3mm, 10-Lead DFN Package
Applications n Notebook puters n Digital Cameras n Cellular Phones n Handheld Instruments n Board Mounted Power Supplies
1.8A, 4MHz, Synchronous Step-Down DC/DC Converter
Description
The LTC®3568 is a constant frequency, synchronous step- down DC/DC converter. Intended for medium power applications, it operates from a 2.5V to 5.5V input voltage range and has a user configurable operating frequency up to 4MHz, allowing the use of tiny, low cost capacitors...
