AX5523-High Efficiency 1.2MHz 2A Step Up Converter DataSheet
AX5523 Test Report
GENERAL DESCRIPTIONG The AX5523 is a constant frequency, 6-pin SOT23 current mode step-up converter intended for small, low power applications. The AX5523 switches at 1.2MHz and allows the use of tiny, low cost capacitors and inductors 2mm or less in height. Internal soft-start results in small inrush current and extends battery life. The AX5523 features automatic shifting to pulse frequency modulation mode at light loads. The AX5523 includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. The AX5523 is available in a small 6-pin SOT-23 package. FEATURES - Integrated 80mΩ Power MOSFET - 2V to 24V Input Voltage - 1.2MHz Fixed Switching Frequency - Internal 4A Switch Current Limit - Adjustable Output Voltage - Internal Compensation - Up to 28V Output Voltage - Automatic Pulse Frequency Modulation Mode at Light Loads - up to 97% Efficiency - Available in a 6-Pin SOT23-6 package
AX5523 Vin=2V to 24V- 應用較廣 Vout support to 26V Vout 可接IC’s Vcc以提升效率 OCP內建 輸入輸出Cout 10uF+10uF Rdson 150mΩ Vfb=0.6V Package sot23-6
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