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. zL5嘉泰姆

It is ideal for portable equipment requiring very high current up to 2A from single-cell zL5嘉泰姆

Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. zL5嘉泰姆

The CXSD62309B also can run at 100% duty cycle for low dropout operation, extendingzL5嘉泰姆

battery life in portable systems while light load operation provides very low output ripplezL5嘉泰姆

 for noise sensitive applications. The CXSD62309B can supply up to 2A output load current zL5嘉泰姆

from a 2.3V to 6V input voltage and the output voltage can be regulated as low as 0.6V. zL5嘉泰姆

The high switching frequency minimizes the size of external components while keeping zL5嘉泰姆

switching losses low. The internal slope compensation setting allows the device to operatezL5嘉泰姆

 with smaller inductor values to optimize size and provide efficient operation. The zL5嘉泰姆

CXSD62309B is offered in a low profile 6-pin, SOT package, and is available in an adjustablezL5嘉泰姆

 version. This device offers two operation modes, PWM control and PFM Mode switching zL5嘉泰姆

control, which allows a high efficiency over the wider range of the load.zL5嘉泰姆

   产品特点 返回TOPzL5嘉泰姆

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High Efficiency: Up to 96%zL5嘉泰姆

1.5MHz Constant Frequency OperationzL5嘉泰姆

2A Output CurrentzL5嘉泰姆

No Schottky Diode RequiredzL5嘉泰姆

2.3V to 6V Input Voltage RangezL5嘉泰姆

Output Voltage as Low as 0.6VzL5嘉泰姆

PFM Mode for High Efficiency in Light LoadzL5嘉泰姆

100% Duty Cycle in Dropout OperationzL5嘉泰姆

Low Quiescent Current: 40μAzL5嘉泰姆

Short Circuit ProtectionzL5嘉泰姆

Thermal Fault ProtectionzL5嘉泰姆

Inrush Current Limit and Soft StartzL5嘉泰姆

<1μA Shutdown CurrentzL5嘉泰姆

SOT23-6 packagezL5嘉泰姆

   应用范围 返回TOPzL5嘉泰姆

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Cellular and Smart PhoneszL5嘉泰姆

Wireless and DSL ModemszL5嘉泰姆

PDAszL5嘉泰姆

Portable InstrumentszL5嘉泰姆

Digital Still and Video CameraszL5嘉泰姆

PC CardszL5嘉泰姆

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