General Description
●The MAX8875 low-dropout linear regulator operates from a +2.5V to +6.5V input range and delivers up to 150mA. A P-channel MOSFET pass transistor allows its 85µA supply current to remain independent of the load, making this device ideal for battery-operated portable equipment such as PCS phones, cellular phones, cordless phones, and modems.
●The MAX8875 features a power-OK (POK) output that indicates when the output is out of regulation. The device is available in several preset output voltage versions: 5.0V, 3.3V, 3.0V, 2.7V, 2.5V, or 1.5V. Other features include 1µA (max) shutdown current, short-circuit protection, thermal shutdown protection, and reverse-battery protection. The device comes in a miniature 5-pin SOT23 package.
●Features
●♦ Power-OK Output
●♦ Small Output Capacitor (1µF ceramic)
●♦ Preset Output Voltages (±1% accuracy)
●♦ Guaranteed 150mA Output Current
●♦ 85µA No-Load Supply Current
●♦ Low 110mV Dropout at 100mA Load (165mV at 150mA load)
●♦ Thermal-Overload and Short-Circuit Protection
●♦ Reverse-Battery Protection
●♦ 60dB PSRR at 100Hz
●♦ 1µA max Shutdown Current
●Applications
● PCS Telephones
● Hand-Held Instruments
● Cellular Telephones
● Palmtop Computers
● Cordless Telephones
● Electronic Planners
● PCMCIA Cards
● Modems
