2A, High Efficiency, Low Voltage, Synchronous Buck
SGM6011 SGM6011.pdf

No.10992

FEATURES

 Forced Continuous PWM Mode Operation

 High Efficiency: Up to 95%

 2.5V to 5.5V Input Voltage Range

 1.4MHz Constant Frequency Operation

 2A Output Current

 100% Duty Cycle for Lowest Dropout

 Less than 2μA Shutdown Current

 Low RDS(ON) Internal Switches: 0.135Ω

 Allows Use of Ceramic Capacitors

 Current Mode Control for Excellent Line and Load 

   Transient Response

 Internal Soft-Start Protection

 Short Circuit and Thermal Protection

 -40℃ to +85℃ Operating Temperature Range

 Available in Green TDFN-3×3-10L Package

DESCRIPTION

The SGM6011 is a high efficiency monolithic synchronous step-down regulator using 1.4MHz constant frequency, current mode architecture. The device is available in an

adjustable version. It is ideal for portable equipment requiring very high current up to 2A from single-cell Li-ion batteries.

The SGM6011 also can run at 100% duty cycle for low dropout operation, extending battery life in portable systems while light load operation provides very low output ripple for noise sensitive applications. It can supply up to 2A output load current from a 2.5V to 5.5V input voltage and the output voltage can be regulated as low as 1.2V. The high switching frequency (1.4MHz) minimizes the size of external components while keeping switching losses low. The internal slope compensation setting allows the device to operate with smaller inductor values to optimize size and provide efficient operation.

APPLICATION CIRCUIT
PIN CONFIGUTION
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