400ma Smartldo - Semtech Corporation

The SC1534 is designed to maintain a glitch-free 3.3V output when at least one of two inputs, 5V (VIN) and 3.3V (VAUX), is present. Whenever VIN exceeds a predetermined threshold value, the internal 3.3V linear Regulator is enabled, and DR is pulled high. When VIN falls below a lower threshold value, DR is pulled low and the internal linear Regulator is turned off. DR has been designed to drive the Gate of an external low threshold P-Channel MOSFET which CAN be used to connect the 3.3V supply directly to the Regulator out- put. This ensures an uninterrupted 3.3V output even if VIN falls out of specification. A maximum RDS(ON) of 200m is recommended. By Semtech Corporation
SC1534 's PackagesSC1534 's pdf datasheet

SC1534 Pinout, Pinouts
SC1534 pinout,Pin out
This is one package pinout of SC1534,If you need more pinouts please download SC1534's pdf datasheet.

SC1534 Application circuits
SC1534 circuits
This is one application circuit of SC1534,If you need more circuits,please download SC1534's pdf datasheet.

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