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MAX1557 - 1.2A PWM Step-Down DC-DC Converters

Download the MAX1557 datasheet PDF. This datasheet also covers the MAX1556 variant, as both devices belong to the same 1.2a pwm step-down dc-dc converters family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX1556_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by Maxim Integrated (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

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
19-3336; Rev 0; 7/04 KIT ATION EVALU E L B AVAILA www.DataSheet4U.com 16µA IQ, 1.2A PWM Step-Down DC-DC Converters General Description 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 ♦ Analog Soft-Start with Zero Overshoot Current ♦ Small, 10-Pin, 3mm x 3mm TDFN Package MAX1556/MAX1557 The MAX1556/MAX1557 are low-operating-current (16µA), fixed-frequency step-down regulators.