MAX1533A

High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers

High-Efficiency, 5x Output, Main-Power-Supply Controllers with Synchronous Rectification, Intended for Main 5V/3.3V Power Generation in Battery-Powered Systems

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Part Details

  • Fixed-Frequency, Current-Mode Control
  • 40/60 Optimal Interleaving
  • Accurate Differential Current-Sense Inputs
  • Internal 5V and 3.3V Linear Regulators with 100mA Load Capability
  • Auxiliary 12V or Adjustable 150mA Linear Regulator (MAX1537A Only)
  • Dual Mode™ Feedback—3.3V/5V Fixed or Adjustable Output (Dual Mode) Voltages
  • 200kHz/300kHz/500kHz Switching Frequency
  • Versatile Power-Up Sequencing
  • Adjustable Overvoltage and Undervoltage Protection
  • 6V to 26V Input Range
  • 2V ±0.75% Reference Output
  • Power-Good Output
  • Soft-Shutdown
  • 5µA (typ) Shutdown Current
MAX1533A
High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers
MAX1533A, MAX1537A: Standard Application Circuit
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Hardware Ecosystem

Parts Product Life Cycle Description
External Power Switch Buck Controllers 1
MAX1901 PRODUCTION 500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
Product 6
MAX1632 NOT RECOMMENDED FOR NEW DESIGNS Multi Output, Low-Noise Power Supply Controllers for Notebook Computers
MAX1977 High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers
MAX1631 NOT RECOMMENDED FOR NEW DESIGNS Multi Output, Low-Noise Power Supply Controllers for Notebook Computers
MAX1902 500kHz Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
MAX1999 High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers
MAX1777 High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers
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