Date: 23/11/2010

Low quiescent current hysteretic boost DC-DC converter from austriamicrosystems for light loads

austriamicrosystems has unveiled the AS1310, an ultra low quiescent current hysteretic step-up DC-DC converter. The company says that the DC-DC converter is optimized for light loads of 60mA and the highest efficiency up to 92 %. The AS1310 step-up converter also features a quiescent current of 1 µA, operates over a wide 0.7 V to 3.6 V battery supply, and provides output voltages between 1.8 V and 3.3 V.

The AS1310 boost DC-DC converter was designed to be able to generate both 3 V to 1.8 V required for battery powered applications. If the input voltage exceeds the output voltage the device goes into a feed-through mode and the input is directly connected to the output voltage. The AS1310 boost DC-DC converter make is suggested for single- and dual-cell powered devices, including blood glucose meters, remote controls, hearing aids, wireless mouse or any light-load application.

The device also features a shutdown mode in which it draws less than 100 µA. The AS1310 step-up DC-DC converter allows adjustable low battery detection. If the battery voltage decreases below the threshold defined by two external resistors, the output is pulled to logic low. This signal is used to indicate "low battery", so no separate supervisory ICs are needed.

Package: TDFN 8-pin 2x2 mm

Operating temperature range: -40°C to +85ºC

Price: Each US$0.66 for 1000 pieces

Availability: Now