The CXSD6126 is a high-efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version. Supply current with no load is 40uA and drops to<1uA in shutdown. The 2.5V to 6V input voltage range makes the CXSD6126 ideally suited for single Li-Ion battery powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. PWM/PFM mode operation provides very low output ripple voltage for noise sensitive applications. Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors. Low output voltages are easily supported with the 0.6V feedback reference voltage. The CXSD6126 is available in SOT23-5 package.ksU嘉泰姆

 High Efficiency: Up to 96% ksU嘉泰姆

 2.5V to 6V Input Voltage Range ksU嘉泰姆

 1.5MHz Constant Frequency Operation ksU嘉泰姆

 No Schottky Diode Required ksU嘉泰姆

 Low Dropout Operation:100% Duty Cycle ksU嘉泰姆

 PFM Mode for High Efficiency in Light Load ksU嘉泰姆

 Over temperature ProtectedksU嘉泰姆

  Low Quiescent Current: 40μA ksU嘉泰姆

 Short Circuit Protection ksU嘉泰姆

 Inrush Current Limit and Soft StartksU嘉泰姆

  Available in SOT23-5ksU嘉泰姆

  Cellular and Smart PhonesksU嘉泰姆

  Wireless and DSL ModemsksU嘉泰姆

  PDAsksU嘉泰姆

  Portable InstrumentsksU嘉泰姆

  Digital Still and Video CamerasksU嘉泰姆

  PC CardsksU嘉泰姆

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