Power
Step-Down DC/DC Converter Offers 150°C Maximum Junction Temperature Operation
Linear Technology has announced the H-Grade version of the LT3481. The LT3481 is a 34V (36V(MAX)), BurstMode, step-down switching regulator that maintains quiescent current under 50uA.The H Grade version operates up to a junction temperature of 150°C, compared to the E and I Grade versions' 125°C maximum junction temperature.
All The LT3481 operates within a VIN range of 3.3V to 34V(36VMAX), making ideal for load dump or cold-crank conditions found in automotive applications. Its 3.2A internal switch delivers up to 2A of continuous output current to voltages as low as 1.25V. Its 50uA of quiescent current is ideal for always on applications such as automotive security systems, which require a very long battery life.
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