General Description

The MIC37110/MIC37112 and MIC37120/MIC37122 are high-performance, low-noise, low dropout regulators. Each of these LDOs is capable of sourcing 1A output current, offers high power supply rejection, and low output noise. These general purpose LDOs are most suitable for consumer applications such as multimedia devices, set-top boxes, Blu-ray players, handheld devices, and gaming consoles.

Features

• Input voltage range: 2.375V to 5.5V

• Output voltage adjustable down to 1.0V (MIC37112/MIC37122)

• Stable with small, 2.2µF ceramic output capacitor

• 230mV typical dropout at 1A

• 1A minimum guaranteed output current

• ±2.0 initial accuracy

• Low ground current

• High PSRR: >60dB, up to 1kHz

• Output auto-discharge circuit (MIC37120/MIC37122)

• Thermal-shutdown and current-limit protection

Applications

• Mobile phones and consumer multimedia devices

• Set-top boxes and Blu-ray players

• Gaming consoles

• Tablets and handheld devices

• GPS receivers