The AP2204 series is a positive voltage regulator IC fabricated by high voltage EPNP process.
The AP2204 has features of wide input voltage range, high accuracy, high ripple rejection, low dropout voltage, low noise, current limit and ultra-low quiescent current which make it ideal for use in various USB and portable devices.
The IC consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection, and a chip enable circuit.
The AP2204 has 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 5.0V fixed voltage versions and adjustable voltage version.
The AP2204 is available in space-saving SOT-23-5, SOT-89 and PSOP-8 packages. Applications
Battery-powered Equipment
Laptop, Palmtops, Notebook Computers
Portable Information Appliances