STI8033中文资料高频头电源数据手册Tollsemi规格书

描述 Description

The STI8033 is a constant frequency, 6-pin SOT23 current mode step-up converter intended for small, low power applications. The STI8033 switches at 1.0MHz 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 STI8033 features automatic shifting to pulse frequency modulation mode at light loads. The STI8033 includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. The STI8033 is available in a small 6-pin SOT-23 package.

特性 Features

. High Efficiency: Up to 95%@5V(2). Integrated 120mΩ Power MOSFET(2). 2V to 24V Input Voltage(2). 1.0MHz Fixed Switching Frequency(2). Internal 2A Switch Current Limit(2). Adjustable Output Voltage(2). Internal Compensation(2). Up to 28V Output Voltage(2). Automatic Pulse Frequency Modulation(2). 1.0MHz Switch Frequency (2). up to 93% Efficiency(2). LNB Voltages (2 levels: 14V and 19V)(2)

应用 Application

. ABS Set-Top Boxes
. DVB-S/S2
. Satellite TV cards