GMT致新 G2273AS2U AQFN2X2-12 3A高效COT同步降压转换器

General Description
The G2273 is a monolithic, step-down, switch mode
converter with built-in internal power MOSFETs. It
achieves 3A continuous output current from a 2.6V to
5.5V input voltage with excellent load and line regulation.
The Output voltage can be regulated to as low as
0.6V. At medium to heavy loads, the switching frequency
is 1.5MHz. At light load, the device automatically
enters PSM to maintain high efficiency.
The Constant-On-Time control scheme in G2273 provides
fast transient response to be optimized over a
wide range of loads and output capacitors. Thermal
shutdown and cycle-by-cycle current limiting are used
for protection.
The G2273 is available in an AQFN2X2-12 package.

Features
Efficiency Up to 95%
50mΩ and 25mΩ Internal Power MOSFET
VIN Range 2.6V to 5.5V
Adjustable Output Voltage from 0.6V to VIN
Power Save Mode for Light Load Efficiency
Constant-On-Time Control Scheme Design
for Fast Transient Response, Stability with
MLCC Output Capacitor
100% Duty Cycle for Lowest Dropout
17uA Operating Quiescent Current
Fixed Soft-Start 0.9ms
Output Discharge
Power Good Output
Cycle-by-Cycle Over Current Protection
Input Under Voltage Lockout
Output Under Voltage Protection (Hiccup)
Thermal Shutdown Protection
Applications
Portable and Mobile Devices
Wireless and Networking Devices
LCD TV Power Supply
Solid State Drive

企业名：深圳市科瑞芯电子有限公司

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