NCP1403 Datasheet (ON Semiconductor) - PFM Step-Up DC-DC Converter

NCP1403, PFM Step-Up DC-DC Converter

Pin Symbol Description 1 CE Chip Enable Pin 1.

The chip is enabled if a voltage which is equal to or greater than 0.9 V is applied.

The chip is disabled if a voltage which is less than 0.3 V is applied.

The chip will be enabled if it is left floating.

2 FB PFM comparator inverting input, a

NCP1403 Features

* 82% Efficiency at VOUT = 15 V, IOUT = 50 mA, VIN = 5.0 V

* 78% Efficiency at VOUT = 15 V, IOUT = 30 mA, VIN = 3.6 V

* Low Operating Current of 19 mA (No Switching)

* Low Shutdown Current of 0.3 mA

* Low Startup Voltage of 1.3 V Typical at 0 mA

* Outp