The LD39050 is a 500mA low quiescent current low noise voltage regulator, with an input voltage range from 1.5 to 5.5V. It features ultra low dropout voltage, low quiescent current, and low noise, making it suitable for low power battery-powered applications such as mobile phones, personal digital assistants (PDAs), and cordless phones.
The LD39050xx is a 500 mA low quiescent current low noise voltage regulator designed for low power battery-powered applications such as mobile phones and PDAs. It features an ultra-low dropout voltage of 200 mV typical at 500 mA load and a very low quiescent current of 20 µA typical at no load. The device operates with an input voltage range from 1.5 V to 5.5 V and offers a wide range of output voltages from 0.8 V to 4.5 V.
| Output current | 500 mA |
|---|---|
| Input voltage range | 1.5 to 5.5 V |
| Quiescent current (no load) | 20 µA typ. |
| Dropout voltage | 200 mV typ. |
| Output noise voltage | 30 µV RMS |
| Package | DFN6 (3 x 3 mm) |
| Operating temperature range | -40 °C to 125 °C |
The device provides a guaranteed output current of 500 mA.
The typical dropout voltage is 200 mV at a 500 mA load.
Yes, stability is provided using ceramic capacitors, specifically C OUT = 1 µF.
The total current consumption in off mode is lower than 1 µA.