MILPITAS, CA - April 1, 2014 - Linear Technology Corporation announces the LT3667, a 400mA, 40V step-down switching regulator with dual LDO outputs packaged in a 3mm x 5mm QFN or MSOP-16E. The LT3667 offers a highly compact, triple output solution for automotive and industrial applications. The LT3667 operates from a VINrange of 4.3V to 40V with transient protection to 60V, making it ideal for load-dump and cold-crank conditions found in automotive applications. Its internal 600mA internal switch delivers up to 400mA, which is distributed to the combined loads of the primary output and both of the LDOs. The primary switching channel delivers outputs as low as 1.2V, whereas each LDO can deliver outputs as low as 0.8V. For example, a common application will have the switcher delivering 200mA at 5V, with one LDO delivering 100mA at 2.5V and the second delivering 100mA at 1.8V.
Linear Technology PR: LT3667 40V, 400mA (IOUT), 2.2MHz Triple Output Step-Down DC/DC Converter with 60V Transient Protection
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