
austriamicrosystems AG
General Description
The AS1326A/AS1326B are high-efficiency, high current, DC-DC step-up converters specifically designed for battery-powered wireless applications. Low quiescent supply current (65µA), high operating frequency (1MHz), and minimal external component requirements make these devices perfect for small hand-held applications.
Key Features
■ Up to 800mA Output
■ Constant-Frequency (1MHz) Operation
■ Up to 96% Efficiency
■ Input Range: 0.7 to 5.0V
■ Fixed Output: 3.3V
■ Adjustable Output: 2.5 to 5.0V
■ PWM Synchronous-Rectified Technology
■ Logic-Controlled Shutdown: 0.1µA
■ Synchronizable Switching Frequency
(0.5 to 1.2MHz)
■ Adjustable Current Limit
■ Adjustable Soft-Start
■ 10-pin TDFN (3.0mm x 3.0mm) Package
Applications
The devices are ideal for digital cordless phones. mobile
phones, wireless handsets, hand-held instruments,
PDAs, two-way pagers, and any battery-operated equipment.