The SPX1129 is a low power voltage regulator from Sipex. It features very low quiescent current and very low dropout voltage, making it suitable for battery-powered applications such as cordless telephones, radio control systems, and portable computers. The SPX1129 is available in SOT-223, TO-220, TO-252 and TO-263 3-lead packages.
The document describes the SPX1129, a 400mA Low Dropout Voltage Regulator manufactured by Sipex Corporation. It features very low quiescent current and a dropout voltage of 0.42V at full load, making it suitable for battery-powered applications such as cordless telephones and portable computers.
| Output Current | 400mA |
|---|---|
| Dropout Voltage (at 400mA) | 0.42V |
| Output Accuracy | 1% |
The SPX1129 is an equivalent replacement for the LT1129.
The device is offered in SOT-223, TO-220, TO-252 & TO-263 3 lead packages.
A 2.2uF or greater capacitor between output and ground is required to prevent oscillation.