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发布者:来自网络 发布时间:2014/7/24 阅读:2640次    关键字: DC-DC
EUP3507-600mA Line Switch with Low On-Resistance


EUP3507-600mA Line Switch with Low On-Resistance DataSheet

DESCRIPTION

      The EUP3507 is a low dropout line switch IC with ON/OFF control and output current protection which integrates a P-channel MOSFET.
By connecting the EUP3507 to the output pin of a step-down DC/DC converter, the EN pin controls ON/OFF for each distribution switch to deliver power per requirements and maximize total power efficiency. As a result, the EUP3507 helps to extend battery life and product operation time.
      The EUP3507 contains a current limit and protection circuit so these are not required externally unlike discrete circuit solutions where MOSFETs and resistors are used.
      When a low signal is input to the EN pin, the IC enters shutdown mode. Even where a load capacitor is connected to the output pin during shutdown, the electric charge stored at the load capacitor is discharged through the internal switch. As a result, the VOUT pin voltage falls quickly to the GND level. The EUP3507 contains over current protection.

FEATURES

‧2.5V to 5.5V Input Voltage Range
‧0.4Ω~0.6Ω On Resistance
‧Low 120μA Quiescent Current
‧Low Shutdown Current:<1μA
‧High Active ON/OFF Control Function
‧High Speed Auto Discharge Function
‧Operating Temperature Range: -40°C ~+85°C
‧Output Current Limit
‧Thermal Shutdown
‧RoHS Compliant and 100% Lead (Fb)-Free Halogen-Free

APPLICATIONS

‧Cellular Phones, Smart phones
‧Portable equipment
‧Digital still cameras and video cameras
‧Laptop, Palmtops, Notebook Computers

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