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XR3455 1uA超低静态电流,1.3A输出东莞同步降压芯片

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

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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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