DC-DC converter draws 1 µA quiescent current

austriamicrosystems has introduced the AS1310, an ultra low quiescent current hysteretic step-up DC-DC converter optimized for light loads (60mA) and the highest efficiency – up to 92 %. With 1 µA the AS1310 step-up converter also features the industry’s lowest quiescent current, 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. Even at loads as light as 100 µA, efficiency still reaches 85%, significantly increasing battery life.

Since the supply voltage of many battery powered applications is moving from 3 V to 1.8 V, the AS1310 boost DC-DC converter was designed to be able to generate both; many competitive DC-DC converters are not able to do so. 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.

Applications include single- and dual-cell powered devices, including blood glucose meters, remote controls, hearing aids, wireless mouse or any light-load application. The AS1310 DC-DC converter is also a good fit for applications in which a lot of time is spent in an idle mode and therefore draws only a small current.

• Input voltage range: 0.7V to 3.6V
• Fixed output voltage range: 1.8V to 3.3V
• Output current: 60mA @ VIN=0.9V, VOUT=1.8V
• Quiescent current: 1μA
• Shutdown current: < 100nA
• Up to 92% efficiency
• Output disconnect in shutdown
• Feedthrough mode when VIN > VOUT
• Adjustable low battery detection
• No external diode or transistor required
• Over temperature protection
• TDFN (2x2) 8-pin package

Pricing: $0.66 in 1000 piece quantities.

Availability: In volume now.

Datasheet: Click here.