APL5503 Overview
The APL5501/2/3 is micropower, low noise, low dropout linear regulator. Operate from 2.7V to 6V input voltage and deliver up to 500mA. Typical output noise is just 50µVRMS with the addition of an external 0.1µF bypass capacitor in BP pin and typical dropout voltage is only 170mV at 500mA loading.
APL5503 Key Features
- Low Noise : 50µVRMS (100Hz to 100kHz)
- Low Quiescent Current : 50µA (No load)
- Low Dropout Voltage : 170mV (@500mA)
- Very low Shutdown Current : < 0.5uA
- Fixed Output Voltage : 1.3V ~ 3.4V
- Stable with 4.7uF Output Capacitor
- Stable with Aluminum, Tantalum or Ceramic Capacitors
- Reverse Current Protection
- No Protection Diodes Needed