XR3455 1uA超低静态电流，1.3A输出宁波同步降压芯片

发布时间：2024-12-26 03:00:00来源：http://nb.szxunrui.cn/news1054589.html

深圳市迅瑞创芯科技有限公司为您免费提供宁波马达驱动IC,宁波LED手电筒控制IC,宁波DCDC升压IC等相关信息发布和资讯展示，敬请关注！

XR3455 1uA超低静态电流，1.3A输出同步降压芯片

FEATURES

* Ultra low Iq:1uA

* High Efficiency: Up to 96%

* 1.5MHz Constant Frequency Operation

* 1.3A Output Current

* No Schottky Diode Required

* 2.6V to 7V Input Voltage Range

* Low Dropout Operation:100% Duty Cycle

* PFM Mode for High Efficiency in Light Load

* Slope Compensated Current Mode Control for Excellent Line and Load Transient Response

* Short Circuit Protection

* Thermal Fault Protection

* Inrush Current Limit and Soft Start

* <1μA Shutdown Current

* SOT23-5 package

APPLICATIONS

Wearable

IOT

Energy Harvest

Battery powered devices

GENERAL DESCRIPTION

The is a constant frequency, current mode step-down converter. The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode. It is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery. The output voltage can be regulated as low as 1.13V.

This device offers two operation modes, PWM control and PFM Mode switching control, which allows a high efficiency over the wider range of the load.

The is offered in a low profile 5-pin,SOT package, and is available in an adjustable version.

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关键词： 同步降压芯片,低功耗降压芯片,同步降压IC,DC-DC转换器,降压型DC-DC转换器,DC-DC降压,

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