南芯产品规格书SC8903A.pdf

SC8903A DATASHEET SOUTHCHIP SEMICONDUCTOR SOUTHCHIP CONFIDENTIAL SC8903A High Efficiency, Synchronous, Bi-Directional Buck-Boost Converter with Four Integrated MOSFET 1 Description 2 Features SC8903A is a synchronous 4-switch buck-boost  Integrated Four Switches converter with four integrated switches. It is able to  Wide VIN Range: 2.7 V to 22V, 24V sustainable effectively output voltage no matter it is higher, lower or  Wide VOUT Range: 2.7 V to 22V, 24V sustainable equal to the input voltage.  High Efficiency Buck-Boost Conversion SC8903A supports very wide input and output voltage  Dynamic Output Voltage Control range. It can support applications from 2.7V to 22V  Adjustable Switching Frequency input range and 2.7V to 22V output range. It employs  Programmable Input and Output Current Limit current-mode control and supports input current limit,  Input and Output Current Monitor output current limit, dynamic output voltage adjustment,  Small Current Indication internal current limit and over temperature protections  Under Voltage Protection, Over Voltage Protection, to ensure safety under different abnormal conditions. Over Current Protection  Thermal Shutdown Protection The SC8903A is in a 40 pin 6x6 QFN package.  QFN-40 Package 4 Device Information 3 Applications  E-Cigarette