GENERAL DEscriptION
The SGM6012 is a 1.6MHz constant frequency, current mode, synchronous, step-down switching regulator. It can deliver 800mA load current from 2.5V to 5.5V input voltage, and the output voltage can be as low as 0.6V.
The high switching frequency minimizes the sizes of inductor and capacitor. Integrated power MOSFETs and internal compensation make the SGM6012 simple to use and fit the total solution in a compact space.
The SGM6012 can operate at a low dropout for the duty cycle, which can conserve the battery life of portable devices. The synchronous architecture eliminates the external Schottky diode, and achieves over 90% of the power conversion efficiency. With low output ripple voltage at light load, the 30μA quiescent current and less than 1μA shutdown current make SGM6012 the ideal power supply solution for portable applications.
SGM6012 is available in both adjustable and fixed (1.2V, 1.8V, 3.3V) output voltage versions. It is available in the Green TSOT-23-5 package. It is rated over the -40℃ to +85℃ temperature range.
FEATURES
2.5V to 5.5V Input Voltage Range
Up to 95% High Efficiency
30μA Low Quiescent Current at Light Load
800mA Output Current
1.2V, 1.8V, 3.3V Fixed & Adjustable Output Voltages
0.6V Reference Voltage
1.6MHz Constant Switching Frequency
Less than 1μA Shutdown Current
Duty Cycle for Lowest Dropout
No External Power MOSFETs and Schottky Diode Required
Excellent Line Regulation & Load Transient Response
-40℃ to +85℃ Operating Temperature Range
Available in a Green TSOT-23-5 Package
APPLICATIONS
GPS
Mobile Phones
E-book Readers
Digital Cameras
Portable Instruments
Wireless and DSL Modems
Battery Powered Equipment
Supply for Microprocessor, DSP