MAX1633A

Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers

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Part Details

  • 96% 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 (MAX1631A/MAX1634A)
  • 5V/50mA Linear Regulator Output
  • Precision 2.5V Reference Output
  • Programmable Power-Up Sequencing
  • Power-Good (Active-Low RESET) Output
  • Output Overvoltage Protection (MAX1630A/MAX1631A/MAX1632A)
  • Output Undervoltage Shutdown (MAX1630A/MAX1631A/MAX1632A)
  • 200kHz/300kHz Low-Noise, Fixed-Frequency Operation
  • Low-Dropout, 99% Duty-Factor Operation
  • 2.5mW Typical Quiescent Power (+12V Input, Both SMPSs On)
  • 4µA Typical Shutdown Current
  • 28-Pin SSOP Package
MAX1633A
Multi-Output, Low-Noise Power-Supply Controllers for Notebook Computers
MAX1630A, MAX1631A, MAX1632A, MAX1633A, MAX1634A, MAX1635A: Functional Diagram
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