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发布者:来自网络 发布时间:2014/7/22 阅读:4681次    关键字: DC-DC
EUP3452A-2A,30V,300KHz Step-Down Converter


EUP3452A-2A,30V,300KHz Step-Down Converter DataSheet 

DESCRIPTION

      The EUP3452A is current mode, step-down switching regulator capable of driving 2A continuous load with excellent line and load regulation. The EUP3452A can operate with an input voltage range from 4.5V to 30V and the output can be externally set from 0.8V to 12V with a resistor divider.
Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. In shutdown mode the regulator draws 1μA of supply current.
Programmable soft-start minimizes the inrush supply current and the output overshoot at initial startup.
      The EUP3452A require a minimum number of external components.

FEATURES

•  35V Input Surge Protection
•  2A Output Current
•  0.135Ω Internal DMOS Output Switch
•  4.5V to 30V Input Operating Range
•  Output Adjustable from 0.8V to 12V
•  Up to 95% Efficiency
•  1μA Shutdown Current
•  Fixed 300KHz Frequency
•  Thermal Shutdown and Overcurrent Protection
•  Input Supply Overvoltage and Undervoltage Lockout
•  Available SOP-8 Package
•  RoHS Compliant and 100% Lead(Pb)-Free Halogen-Free

APPLICATIONS

•  PC Monitors
•  Distributed Power Systems
•  Networking Systems
•  Portable Electronics

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