LM20144MH

The LM20144MH is a full featured adjustable frequency synchronous buck regulator capable of delivering up to 4A of continuous output current. The device is optimized to work over the input voltage range of 2.95V to 5.5V making it suited for a wide variety of low voltage systems. It is designed to work well in multi-rail power supply architectures.

The features of LM20144MH can be summarized as:(1)Input voltage range 2.95V to 5.5V; (2)Accurate current limit minimizes inductor size; (3)97% peak efficiency; (4)Adjustable switching frequency (500 kHz - 1.5 MHz); (5)32 m integrated FET switches; (6)Starts up into pre-biased loads; (7)Output voltage tracking; (8)Peak current mode control; (9)Adjustable output voltage down to 0.8V; (10)Adjustable Soft-Start with external capacitor; (11)Precision enable pin with hysteresis; (12)Integrated OVP, UVLO, power good and thermal shutdown; (13)eTSSOP-16 exposed pad package.

The absolute maximum ratings of LM20144MH are:(1)Voltages from the indicated pins to GND,AVIN, PVIN, EN, PGOOD,SS/TRK, COMP, FB, SW, RT -0.3V to +6V; (2)Storage Temperature -65°C to 150°C; (3)Junction Temperature 150°C; (4)Power Dissipation 2.6W; (5)Lead Temperature (Soldering,10 sec) 260°C; (6)Minimum ESD Rating ±2kV; (7)PVIN, AVIN to GND 2.95V to 5.5V; (8)Junction Temperature -40°C to + 125°C.

If you want to know more information such as the electrical characteristics about the LM20144MH, please download the datasheet in www.seekic.com or www.chinaicmart.com .