AS1335 - austriamicrosystems AG

AS1335 Synchronous DC/DC Step-Down Converter

The AS1335 is a high-efficiency, constant-frequency synchronous buck converter available in a fixed or an adjustable output voltage version. The wide input voltage range (2.6V to 5.25V), the high output current (up to 1.5A) and minimal external component requirements make the AS1335 perfect for any single Li-Ion batterypowered application. Typical supply cur.

Features

! ! ! ! ! ! ! ! ! ! ! High Efficiency: Up to 96% Output Current: 1.5A Input Voltage Range: 2.6V to 5.25V Output Voltage Range: 0.6V to VIN Constant Frequency Operation: 1.5MHz No Schottky Diode Required Power OK with 215ms delay Low Dropout Operation: 100% Duty Cycle Low Quiescent Supply Current: 400µA Shutdown Mode Supply Current: ≤1µA Current Mode Operation for Excellent Line/Load Transient Response Thermal Protection 10-pin TDFN 3x3mm Package ! ! 3 Applications The device is ideal for mobile communication devices, laptops and PDAs, ultra-low-power systems, threshold detectors/discriminat.