ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

AS1337 Boost Converter

DC-DC step-up converter 200mA with buck mode

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The AS1337 is a sychronous boost converter, capable of driving 20mA at 3.3V. With efficiencies up to 97% the device operates from 0.65V to 4.5V input to generate 2.5V to 5V output.

Key Features

  • Input Voltage Range: 0.65V to 4.5V
  • 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

Product Facts

Input voltage [V] 0.65V to 4.5V
Output voltage [V] 2.5V to 5.0V
Output current [mA] 200
Efficiency [%] 97
Iq [µA] 20
Architecture fixed Freq.,sync
fmax [kHz] 1200
Enable/SHDN [/SHDN]
Reset/POK [POK]
Features Buck mode, adjustable output voltage
Package TDFN(3x3)-8

Additional Information


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.