Features
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LT3668 40V 400mA Step-Down Switching
Regulator with Dual Fault Protected Tracking LDOs Description
The LT®3668 is a monolithic triple power supply composed of a 400mA buck switching
regulator and two 200mA low dropout linear tracking
regulators (LDOs).
This provides a complete and robust power solution for applications that require the power supply of a sensor to tightly track the power supply of a measurement ASIC.
Each tracking LDO supplies 200mA of output current with a typical dropout voltage of 340mV, and each LDO has an accurate resistor programmable current limit.
Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting and rever...