LP3201 Datasheet (data sheet) PDF





LP3201 Datasheet, PWM Step-Down DC/DC Convert

LP3201   LP3201  

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Preliminary Datasheet LP3201 1.5MHZ,65 0mA,High Efficiency Synchronous PWM Ste p-Down DC/DC Convert General Descripti on The LP3201 is a constant frequency, current mode, PWM step-down converter. The device integrates a main switch and a synchronous rectifier for high effic iency. The 2.1V to 5.5V input voltage r ange makes the LP3201 is ideally suited for portable electronic devices that a re powered from 1-cell Li-ion battery o r from other power sources within the r ange such as cellular phones, PDAs and handy-terminals. Internal synchronous r ectifier with low RDS(ON) dramatically reduces conduction loss at PWM mode. Th e internal synchronous sw

LP3201 Datasheet, PWM Step-Down DC/DC Convert

LP3201   LP3201  
itch increases efficiency while eliminat e the need for an external Schottky dio de.The switching ripple is easily smoot hed-out by small package filtering elem ents due to a fixed operation frequency of 1.5MHz. This along with small TSOT- 23-5 package provide small PCB area app lication. Other features include soft s tart, lower internal reference voltag








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