2A,2.3V-6V Input,1.5MHz Synchronous Step-Down ConverterCXSD62309B is a 1.5MHz constant frequency,current mode step-down converter. It is ideal for portable equipment requiring very high current up to

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  The CXSD62309B is a 1.5MHz constant frequency,current mode step-down converter. 7lM嘉泰姆

It is ideal for portable equipment requiring very high current up to 2A from single-cell 7lM嘉泰姆

Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. 7lM嘉泰姆

The CXSD62309B also can run at 100% duty cycle for low dropout operation, extending7lM嘉泰姆

battery life in portable systems while light load operation provides very low output ripple7lM嘉泰姆

 for noise sensitive applications. The CXSD62309B can supply up to 2A output load current 7lM嘉泰姆

from a 2.3V to 6V input voltage and the output voltage can be regulated as low as 0.6V. 7lM嘉泰姆

The high switching frequency minimizes the size of external components while keeping 7lM嘉泰姆

switching losses low. The internal slope compensation setting allows the device to operate7lM嘉泰姆

 with smaller inductor values to optimize size and provide efficient operation. The 7lM嘉泰姆

CXSD62309B is offered in a low profile 6-pin, SOT package, and is available in an adjustable7lM嘉泰姆

 version. This device offers two operation modes, PWM control and PFM Mode switching 7lM嘉泰姆

control, which allows a high efficiency over the wider range of the load.7lM嘉泰姆

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High Efficiency: Up to 96%7lM嘉泰姆

1.5MHz Constant Frequency Operation7lM嘉泰姆

2A Output Current7lM嘉泰姆

No Schottky Diode Required7lM嘉泰姆

2.3V to 6V Input Voltage Range7lM嘉泰姆

Output Voltage as Low as 0.6V7lM嘉泰姆

PFM Mode for High Efficiency in Light Load7lM嘉泰姆

100% Duty Cycle in Dropout Operation7lM嘉泰姆

Low Quiescent Current: 40μA7lM嘉泰姆

Short Circuit Protection7lM嘉泰姆

Thermal Fault Protection7lM嘉泰姆

Inrush Current Limit and Soft Start7lM嘉泰姆

<1μA Shutdown Current7lM嘉泰姆

SOT23-6 package7lM嘉泰姆

   应用范围 返回TOP7lM嘉泰姆

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Cellular and Smart Phones7lM嘉泰姆

Wireless and DSL Modems7lM嘉泰姆

PDAs7lM嘉泰姆

Portable Instruments7lM嘉泰姆

Digital Still and Video Cameras7lM嘉泰姆

PC Cards7lM嘉泰姆

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