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                                      SY21275 -

                                      Features

                                      ·       Wide Input Voltage Range: 8.6V ~ 15.9V

                                      ·       95% Typical Efficiency

                                      ·       Feedback Reference Voltage : 1.25V +/-1.5%

                                      ·       500kHz Fixed Switching Frequency

                                      ·       Pulse Skipping Mode at Light Load

                                      ·       Adjustable Soft-start Time

                                      ·       EN ON/OFF Control

                                      ·       Over Voltage Protection

                                      ·       Cycle-by-cycle Current Limiting Protection

                                      ·       Input UVLO

                                      ·       Thermal Shutdown with Auto Recovery

                                      ·       RoHS Compliant and Halogen Free

                                      ·       Compact Package: DFN3x3-10

                                      Typical Application

                                      Description

                                      SY21275 is a high efficiency, current-mode control Boost regulator. The device integrates a low RDS(ON) N-channel MOSFET for high efficiency. The fixed 500kHz switching frequency achieves high efficiency and fast transient response. The external programmable soft start time minimizes the inrush current at start-up.

                                       

                                      SY21275 is available in compact DFN3×3-10 package.

                                      Applications

                                      ·      TFT LCD Panels AVDD

                                      湖北十一选五遗漏走势图

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