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EUP3504 Datasheet PDF

Eutech Microelectronics EUP3504

The EUP3504 is a low dropout line switch IC with ON/OFF control and output current protection which integrates a P-channel MOSFET. By connecting the EUP3504 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. The EUP3504 contains a current limit protection circuit so these are not required externally unlike discrete circuit solutions where MOSFETs and resistors are used.
Part No. EUP3504
Datasheet EUP3504 Download
Manufacturer
Eutech Microelectronics
Description 1.8A Line Switch
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EUP3504 datasheet page 1 preview

DESCRIPTION

As a result, the EUP3504 helps to extend battery life and product operation time. Externally programmable soft-start allows for proper power on sequencing with respect to other power supplies and avoids input inrush current during startup. 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 EUP3504 contains thermal shutdown protection.

FEATURES

3.3V to 13.5V Input Voltage Range 110mΩ On Resistance Low 90µA Quiescent Current Low Shutdown Current:<4µA ON/OFF Control Function Externally Programmable Current Soft-Start High Speed Auto Discharge Function Operating Temperature Range: -40°C ~+85°C 2.35A Output Current Limit Thermal Shutdown RoHS Compliant and 100% Lead (Fb)-Free Halogen-Free

APPLICATIONS

Portable Equipment Laptop, Palmtops, Notebook Computers LCD Monitor TV Typical Application Circuit DS3504 Ver1.1 Oct.
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