LD39100xx is a 1A, low quiescent current, low noise voltage regulator. It features a wide input voltage range, ultra low dropout voltage, very low quiescent current, low noise, etc., making it suitable for low power battery powered applications.
The LD39100XX series is a 1 A maximum current low dropout voltage regulator designed for battery-powered applications such as printers, PDAs, and cordless phones. The device operates with an input voltage range of 1.5 V to 5.5 V and features an ultra-low dropout voltage of 200 mV typical at 1 A load.
Key features include very low quiescent current (20 µA typical at no load), very low noise without a bypass capacitor, and logic-controlled electronic shutdown. The regulator is stabilized with ceramic capacitors and includes internal current and thermal limit protection. It is available in a DFN6 (3 x 3 mm) package with a temperature range of -40°C to 125°C.
| Output current | 1 A |
|---|---|
| Input voltage range | 1.5 V to 5.5 V |
| Dropout voltage | 200 mV typ. |
| Quiescent current | 20 µA typ. |
| Output noise voltage | 30 µVrms |
| Output voltage tolerance | + 2.0% |
| Operating temperature range | -40°C to 125°C |
| Package type | DFN6 (3 x 3 mm) |
The device provides a maximum output current of 1 A.
The typical dropout voltage is 200 mV at a 1 A load.
The quiescent current is typically 20 µA at no load.
The device is available in a DFN6 (3 x 3 mm) package.