MAX1654 - Maxim

MAX1654 High-Efficiency / PWM / Step-Down DC-DC Controllers in 16-Pin QSOP

____________________________Features o 96% Efficiency o Small, 16-Pin QSOP Package (half the size of a 16-pin narrow SO) o Pin-Compatible with MAX797 (MAX1653/MAX1655) o Output Voltage Down to 1V (MAX1655) o 4.5V to 30V Input Range o 99% Duty Cycle for Lower Dropout o 170µA Quiescent Supply Current o 3µA Logic-Controlled Shutdown o Dual, N-Channel, Synchrono.

Features

o 96% Efficiency o Small, 16-Pin QSOP Package (half the size of a 16-pin narrow SO) o Pin-Compatible with MAX797 (MAX1653/MAX1655) o Output Voltage Down to 1V (MAX1655) o 4.5V to 30V Input Range o 99% Duty Cycle for Lower Dropout o 170µA Quiescent Supply Current o 3µA Logic-Controlled Shutdown o Dual, N-Channel, Synchronous-Rectified Control o Fixed 150kHz/300kHz PWM Switching, or Synchronized from 190kHz to 340kHz o Programmable Soft Start o Low-Cost Secondary Outputs (MAX1652/MAX1654) MAX1652
  –MAX1655 The MAX1652
  –MAX1655 are high-efficiency, pulsewidth-modulated (PWM), step-down DC-DC contr.