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. AIB嘉泰姆

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

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

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

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

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

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

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

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

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

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

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

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

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High Efficiency: Up to 96%AIB嘉泰姆

1.5MHz Constant Frequency OperationAIB嘉泰姆

2A Output CurrentAIB嘉泰姆

No Schottky Diode RequiredAIB嘉泰姆

2.3V to 6V Input Voltage RangeAIB嘉泰姆

Output Voltage as Low as 0.6VAIB嘉泰姆

PFM Mode for High Efficiency in Light LoadAIB嘉泰姆

100% Duty Cycle in Dropout OperationAIB嘉泰姆

Low Quiescent Current: 40μAAIB嘉泰姆

Short Circuit ProtectionAIB嘉泰姆

Thermal Fault ProtectionAIB嘉泰姆

Inrush Current Limit and Soft StartAIB嘉泰姆

<1μA Shutdown CurrentAIB嘉泰姆

SOT23-6 packageAIB嘉泰姆

   应用范围 返回TOPAIB嘉泰姆

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Cellular and Smart PhonesAIB嘉泰姆

Wireless and DSL ModemsAIB嘉泰姆

PDAsAIB嘉泰姆

Portable InstrumentsAIB嘉泰姆

Digital Still and Video CamerasAIB嘉泰姆

PC CardsAIB嘉泰姆

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