High Efficiency, Fast Response, 6A, 18V Input Synchronous Buck with I2C Interface CXSD62545 develops a high efficiency synchronous buck regulator capable of delivering 6A output current

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      CXSD62545 develops a high efficiency synchronous buck regulator capable of delivering 6A output current. The device operates over a wide input voltage range from 4.5V to 18V. CXSD62545 adopts instant PWM architecture to achieve fast transient response.CXSD62545 integrates an I²Ccompatible interface for output voltage setting, status read back, etc. The device also features enable control, open drain power good indicator, cycle-by-cycle current limit, short circuit protection and thermal shutdown.CXSD62545 provides compact solution for TCON power system. It is available in a QFN3x3-20 package.

   产品特点 返回TOPsJ9嘉泰姆

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·           4.5V to 18V Input Voltage RangesJ9嘉泰姆

·           6A Synchronous Buck Regulator:sJ9嘉泰姆

o   Low R_DS(ON) for Internal Switches (Top FET/Bottom FET): 50/15 MΩsJ9嘉泰姆

o   6.0A Output Current CapabilitysJ9嘉泰姆

o   Instant PWM Architecture to Achieve Fast Transient ResponsessJ9嘉泰姆

o   200khz to 1MHz Programmable Switching FrequencysJ9嘉泰姆

o   I²CProgrammable Output Voltage with Initial Voltage Setting By Resistor DividersJ9嘉泰姆

o   0.6V+/-1% Feedback Reference VoltagesJ9嘉泰姆

o   Enable ControlsJ9嘉泰姆

o   Power Good IndicatorsJ9嘉泰姆

o   Adjustable Soft-Start TimesJ9嘉泰姆

o   PSM Mode at Light Load For High EfficiencysJ9嘉泰姆

o   Cycle-By-Cycle Current Limit ProtectionsJ9嘉泰姆

o   Hic-Cup Mode Output Short Circuit ProtectionsJ9嘉泰姆

o   Hic-Cup Mode Output Over Voltage ProtectionsJ9嘉泰姆

·           I²CCompatible Interface:sJ9嘉泰姆

o   Supports 100khz Standard Mode and 400khz Fast ModesJ9嘉泰姆

o   7-Bits VID Programmable Output Voltage From 0.68V To 1.95V With 10mv/StepsJ9嘉泰姆

o   VID Voltage Transition Slew Rate ControlsJ9嘉泰姆

o   Power Good Status Read BacksJ9嘉泰姆

o   Over Temperature Warning Read BacksJ9嘉泰姆

o   On/Off ControlsJ9嘉泰姆

·           Thermal Shutdown with Auto RecoverysJ9嘉泰姆

·           Input UVLOsJ9嘉泰姆

·           Rohs Compliant and Halogen FreesJ9嘉泰姆

·           Compact Package: QFN3x3-20sJ9嘉泰姆

   应用范围 返回TOPsJ9嘉泰姆

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·         Tcon Power SystemsJ9嘉泰姆

·         Mobile HandsetssJ9嘉泰姆

·         Portable ApplicationssJ9嘉泰姆

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