features ? operating voltages range： +2.5v to +18.0v ? output voltages range： +1.5v to +5.0v with 100mv increment ? low dropout: 800mv @ 50ma ? high output voltage accuracy ±2%： vout≧ 2.7v ±2.4%： vout≦ 2.6v ? thermal overload shutdown protection ? low esr capacitor compatible ? sot-23, sot-89 & to-92 packages ? rohs compliant and lead (pb)-free and green (halogen free with commercial standard) general description the ap8841 series is a positive voltage regulator with high accuracy output voltage and ultra-low quiescent current which is typically 1.0μa. the device is ideal for battery powered handheld equipments which require low quiescent current. the ap8841 contains a bandgap voltage reference, an error amplifier, a p-channel pass transistor, and a resistor-divider for setting output voltage. the output voltage is fixed with high accuracy by advanced trimming technology. the ap8841 has been designed to be used with low cost ceramic capacitors and requires a minimum output capacitor of 1.0μf. the devices are available in sot-23, sot-89, and to-92 packages