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MAX1557 Datasheet 1.2a Pwm Step-down DC-dc Converters

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-3336; Rev 0; 7/04 KIT ATION EVALU E L B AVAILA .. 16µA IQ, 1.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Key Features

  • Up to 97% Efficiency.
  • 95% Efficiency at 1mA Load Current.
  • Low 16µA Quiescent Current.
  • 1MHz PWM Switching.
  • Tiny 3.3µH Inductor.
  • Selectable 3.3V, 2.5V, 1.8V, 1.5V, 1.3V, 1.0V, and Adjustable Output.
  • 1.2A Guaranteed Output Current (MAX1556).
  • Voltage Positioning Optimizes Load-Transient Response.
  • Low 27µA Quiescent Current in Dropout.
  • Low 0.1µA Shutdown Current.
  • No External Schottky Diode Required.

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
MAX15500 (MAX15500 / MAX15501) Industrial Analog Current/Voltage Output Conditioners
MAX15501 (MAX15500 / MAX15501) Industrial Analog Current/Voltage Output Conditioners
MAX1556 1.2A PWM Step-Down DC-DC Converters
MAX1558 Dual 3mm x 3mm 1.2A/Programmable-Current USB Switches
MAX1558H Dual 3mm x 3mm 1.2A/Programmable-Current USB Switches
MAX15000 Current-Mode PWM Controllers
MAX15001 Current-Mode PWM Controllers
MAX15003 Triple-Output Buck Controller
MAX15004 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
MAX15005 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers

MAX1557 Distributor