MAX8869

PRODUCTION

1A, Microcap, Low-Dropout, Linear Regulator

Compact, 1A, Low-Dropout Linear Regulator Requires Just 1µF Output Capacitor!

Data Sheet (Rev. 2) Product Selection Table
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Overview

  • Guaranteed 1A Output Current
  • Stable with COUT = 1µF
  • Low 200mV Dropout at 1A
  • ±1% Output Voltage Accuracy
    • Preset at +5V, +3.3V, +2.5V, +1.8V, or +1.0V and Adjustable from +0.8V to +5.0V
  • 54dB PSRR at 100kHz
  • Adjustable Soft-Start
  • 3ms Reset Output
  • Foldback Output Current Limit
  • Thermal Overload Protection
  • High-Power 16-Pin TSSOP Package (1.5W)
    • 30% Smaller than SOT223 (Only 1.1mm High)

The MAX8869 low-dropout linear regulator operates from a +2.7V to +5.5V input and delivers a guaranteed 1A load current with a low 200mV dropout. The high-accuracy (±1%) output voltage is preset at +5V, +3.3V, +2.5V, +1.8V, or +1.0V or is adjustable from +0.8V to +5V with an external resistor-divider.

The MAX8869 uses Microcap® technology and requires only a small 1µF output capacitor for guaranteed stability. An internal PMOS pass transistor allows low 500µA supply current, making this regulator useful for networking and telecom hardware as well as battery-operated equipment. Other features include soft-start, low-power shutdown, short-circuit protection, and thermal shutdown protection.

The MAX8869 is available in a 1.5W, 16-pin TSSOP package, which is 30% smaller than a SOT223 and only 1.1mm high.

Applications

  • Mobile Phone Base Stations
  • Network Equipment
  • Notebook Computers
  • Personal Computing
  • Telecom Hardware
MAX8869
1A, Microcap, Low-Dropout, Linear Regulator
MAX8869: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

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Software Resources

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Hardware Ecosystem

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