LT1129 Description
The LT1129 devices are low-dropout micropower regulators with the shutdown. At maximum output, the devices can deliver 700mA of output current with a dropout voltage of 0.4V. The low quiescent current, 50A operating and 16A in shutdown makes them a perfect choice for battery-powered systems. In contrast to many other low dropout PNP regulators, the quiescent current does not increase with dropout.
LT1129 Features
0.4V Dropout Voltage
700mA Output Current
50μA Quiescent Current
No Protection Diodes Needed
Adjustable Output from 3.8V to 30V
3.3V and 5V Fixed Output Voltages
Controlled Quiescent Current in Dropout
Shutdown
16μA Quiescent Current in Shutdown
Stable with 3.3μF Output Capacitor
Reverse Battery Protection
No Reverse Output Current
Thermal Limiting
Surface Mount
LT1129 Applications
Low Current Regulator
Regulator for Battery-Powered Systems
Post Regulator for Switching Supplies
5V to 3.3V Logic Regulator
