GENERAL DESCRIPTION
Compact size and minimum external parts requirements make these devices perfect for modern portable devices. The AS1337A offers a shutdown mode where the battery is connected directly to the output enabling the supply of real-time-clocks or memories. The AS1337 offers a POK (open-drain) feature which detects output power fail of 10%. The AS1337 is available in a TDFN (3x3mm) 8-pin package. 2 Key FEATURES
! ! ! ! ! ! ! ! ! ! ! ! Input Voltage Range: 0.65V to 4.5V Low Start-Up Voltage: 0.85V Output Voltage Range: 2.5V to 5.0V Delivers 200mA @ 3.3V (from two AA Cell) up to 97% Efficiency High-Speed Fixed-Frequency: 1.2MHz Single-Cell Operation Internal PMOS Synchronous Rectifier Automatic Powersave Operation Anti-Ringing Control Minimizes EMI Logic Controlled Shutdown (< 1µA) TDFN (3x3mm) 8-pin Package 3 APPLICATIONS
The AS1337 is ideal for low-power applications where ultra-small size is critical as in medical diagnostic equipment, hand-held instruments, pagers, digital cameras, remote wireless transmitters, MP3 players, LCD bias supplies, cordless phones, GPS receivers, and PC cards.
austriamicrosystems AG
