SL1576 2.5A高效率1.2MHz升压转换器

dc-dc升压恒压芯片

dc-dc升压电源IC

dc-dc升压转换器

16V升压IC

GENERAL DESCRIPTION

The SL1576 is a constant frequency, 6-pin

SOT23 current mode step-up converter intended for

small, low power applications. The SL1576

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 SL1576 features automatic shifting to pulse

frequency modulation mode at light loads. The

SL1576 includes under-voltage lockout, current

limiting, and thermal overload protection to prevent

damage in the event of an output overload. The

SL1576 is available in a small 6-pin SOT-23

package.

FEATURES

⚫ Integrated 80mΩ Power MOSFET

⚫ 2.2V to 16V Input Voltage

⚫ 1.2MHz Fixed Switching Frequency

⚫ Adjustable Over Current Protection: 0.5A

~2.5A

⚫ Internal 2.5A Switch Current Limit(OC pin

floating)

⚫ Adjustable Output Voltage

⚫ Internal Compensation

⚫ Over Voltage Protection

⚫ Up to 20V Output Voltage

⚫ Automatic Pulse Frequency Modulation Mode

at Light Loads

⚫ up to 93% Efficiency

⚫ Available in a 6-Pin SOT23-6 Package

APPLICATIONS

⚫ Battery-Powered Equipment

⚫ Set-Top Boxed

⚫ LCD Bais Supply

⚫ DSL and Cable Modems and Routers

⚫ Networking cards powered from PCI or PCI

express slots

TYPICAL APPLICATION

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