供应KF9108 PWM异步DC-DC升压IC

The KF9108 is a constant frequency, 6-pin SOT23 current mode step-up converter intended for small, low power applications. The KF9108 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 KF9108 features automatic shifting to pulse frequency modulation mode at light loads. The KF9108 includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. The KF9108 is available in a small 6-pin SOT-23 package.

  Features

Integrated 80mQ 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 93% Eficiency

Available in a 6-Pin SOT23-6 Package

  Application

Battery-Powered Equipment

Set-Top Boxed

LCD Bais Supply

DSL and Cable Modems and Routers

Networking cards powered from PCI or PCI express slots

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PWM异步DC-DC升压IC PWM异步DC-DC升压IC

 PWM异步DC-DC升压IC

PWM异步DC-DC升压IC

PWM异步DC-DC升压IC