Nexperia’s new step-down DC-DC converters with lowest quiescent current enhance design flexibility

The NEX30606 is a high-efficiency, high-accuracy step-down converter that offers a choice of 16 resistor-settable output voltages from input voltages ranging from 1.8V to 5.0V. It can deliver up to 600 mA of output current and offers the industry’s lowest operating quiescent current (Iq) of 220 nA. This feature makes it ideal for wearable consumer applications like hearing aids, medical sensors, patches and monitors in addition to battery-powered industrial applications like smart meters, asset-tracking and industrial (IIOT) and narrow-band internet-of-things (NBIOT) devices. This device provides >90% switching efficiency for load currents ranging from 1mA to 400mA and has only 10mV of output voltage ripple when stepping down from 3.6Vin to 1.8Vout.

The NEX40400 step-down converter combines high efficiency (up to 8 % higher efficiency than close competition at low - mid load condition) with low operating quiescent current (60μA typ.) and can provide up to 600 mA output from a wide 4.5V to 40V input range for applications. Featuring PFM (Pulse Frequency Modulation) for high efficiency at low to mid loads and Spread Spectrum Technology for minimizing EMI, the converter is ideal for industrial distributed power systems and grid infrastructure (e.g. smart e-meters) as well as consumer white goods (more info).