General Description
The APS2415 is a high efficiency monolithic synchronous buck regulator using a constant frequency,
current mode architecture. The device is available in an adjustable version and fixed output voltages, such as 1.2V, 1.5V, 1.8V, etc. Supply current with no load is 300uA and drops to
Applications
Cellular and Smart Phones
Microprocessors and DSP Core Supplies
Wireless and DSL Modems
PDAs
MP3 / MP4 /PMP Player
Digital Still and Video Cameras
Portable Instruments
Features
High Efficiency: Up to 96%
1.2MHz Constant Switching Frequency
1.5A Output Current at VIN=3V
Integrated Main switch and synchronous rectifier.
No Schottky Diode Required
2.5V to 6.5V Input Voltage Range
Output Voltage as Low as 0.6V
100% Duty Cycle in Dropout
Quiescent Current: 300μA(input < 4.2V)
Slope Compensated Current Mode Control for
Excellent Line and Load Transient Response
Short Circuit Protection
Soft start
Space Saving 5-Pin SOT23 package
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