Product Summary
The IRU1209CSTRPBF is an ultra low dropout 1A regulator using PNP transistor as the pass element. The IRU1209CSTRPBF is ideal when a single input supply is only available and the dropout voltage is less than 1V, exceeding the minimum dropout characteristics of NPN/ PNP hybrid regulators. Applications are (1)2.5V Supply from 3.3V Input for the new generation of Logic ICs; (2)Computer Mother Board, Add-On Cards; (3)High Efficiency Post Regulator in Switch Mode Power Supply (SMPS).
Parametrics
IRU1209CSTRPBF absolute maximum ratings: (1)Input Voltage (VIN): 12V; (2)Enable Input Voltage : 12V; (3)Storage Temperature Range : -65°C To 150°C; (4)Operating Junction Temperature Range : 0°C To 135°C; (5)Current Limit: 1.: 1 to 1.4A.
Features
IRU1209CSTRPBF features: (1)Low Dropout Voltage (500mV at 1A); (2)1% Voltage Reference Accuracy; (3)Low Ground Current; (4)1mA Maximum Quiescent Current in Shutdown; (5)Fast Transient Response; (6)Current Limit and Thermal Shutdown; (7)Error Flag Signal for Output out of Regulation.
Diagrams

(China (Mainland))






