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MAX8869：1A, Microcap, Low-Dropout, Linear Regulator

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

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.

Key Features 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)

MAX8869: Typical Operating Circuit Applications/Uses Mobile Phone Base Stations Network Equipment Notebook Computers Personal Computing Telecom Hardware

DataSheet

Parametrics

Quality and Environmental Data

• MAX8869.pdf

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