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MAX1901 Datasheet Low-noise Power-supply Controllers

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-2224; Rev 3; 12/03 500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook.

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

General Description

The MAX1901/MAX1902/MAX1904 are buck-topology, step-down, switch-mode, power-supply controllers that generate logic-supply voltages in battery-powered systems.

These high-performance, dual/triple-output devices include on-board power-up sequencing, power-good signaling with delay, digital soft-start, secondary winding control, low dropout circuitry, internal frequency-pensation networks, and automatic bootstrapping.

Up to 97% efficiency is achieved through synchronous rectification and Maxim’s proprietary Idle Mode™ control scheme.

Key Features

  • o o o o o o o o o o o o o o o o Features 97% Efficiency 4.2V to 30V Input Range 2.5V to 5.5V Dual Adjustable Outputs Selectable 3.3V and 5V Fixed or Adjustable Outputs (Dual Mode™) 12V Linear Regulator Adjustable Secondary Feedback (MAX1901/MAX1904) 5V/50mA Linear Regulator Output Precision 2.5V Reference Output Programmable Power-Up Sequencing Power-Good (RESET) Output Output Overvoltage Protection (MAX1901/MAX1902) Output Undervoltage Shutdown (MAX1901/MAX1902) 333kHz/500kHz Low-Noise, Fixed.

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
MAX190 Low-Power / 12-Bit Sampling ADCs
MAX1902 Low-Noise Power-Supply Controllers
MAX1904 Low-Noise Power-Supply Controllers
MAX191 12-Bit Sampling ADC
MAX1910 1.5x/2x High-Efficiency White LED Charge Pumps
MAX1912 1.5x/2x High-Efficiency White LED Charge Pumps
MAX1916 Low-Dropout / Constant-Current Triple White LED Bias Supply
MAX1917 Tracking / Sinking and Sourcing / Synchronous Buck Controller for DDR Memory and Termination Supplies
MAX192 Low-Power / 8-Channel / Serial 10-Bit ADC
MAX1924 Advanced Li+ Battery-Pack Protectors

MAX1901 Distributor