pin configuration and the internal equivalent circuit of LTC1147

Published:2011/7/8 20:31:00 Author:chopper | Keyword: pin configuration, internal, equivalent circuit | From:SeekIC

LTC1147 is mainly used for power supply circuits like DC - DC converter power of laptops and handheld computers,and also for the portable measuring instruments,battery-powered digital device,mobile phone,DC distribution system,GPS system.It has output voltages of 3.3V and 5V specifications,and can be selected based on the power supply voltage of main circuit of application system.In addition,the external P-channel MOSFET and N-channel MOSFET can expand output current,and can use LTC1148 whose efficiency is higher than LTC1147 or LTC1149／LTC1159 whose maximum input voltage is up to 48V.Thus,it can constitute a power supply circuit of high efficiency, high output current.



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