SLB628 2V-24V 2A dcdc升壓恒壓芯片

內(nèi)部4A限流、自動(dòng)調(diào)頻、內(nèi)置80mΩ功率管

概述

The SLB628 is a constant frequency, 6-pin SOT23 current mode step-up converter intended for small, low power applications. The SLB628 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 SLB628 features automatic shifting to pulse frequency modulation mode at light loads. The SLB628 includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. The SLB628 is available in a small 6-pin SOT-23 package.

特點(diǎn)

? 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 96% Efficiency

? Available in a 6-Pin SOT23-6 Package

應(yīng)用

? Battery-Powered Equipment

? Set-Top Boxed

? LCD Bais Supply

? DSL and Cable Modems and Routers

? Networking cards powered from PCI

or PCI express slots

原理圖