Description

The LT3045 is a high performance low dropout linear regulator featuring LTC?s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3045 can be easily paralleled to further reduce noise, increase output current and spread heat on the PCB.The device supplies 500mA at a typical 260mV dropout voltage. Operating quiescent current is nominally 2.2mA and drops to <<1?A in shutdown. The LT3045?s wide output voltage range (0V to 15V) while maintaining unity-gain operation provides virtually constant output noise, PSRR, bandwidth and load regulation, independent of the programmed output voltage. Additionally, the regulator features programmable current limit, fast start-up capability and programmable power good to indicate output voltage regulation.The LT3045 is stable with a minimum 10?F ceramic output capacitor. Built-in protection includes reverse-battery protection, reverse-current protection, internal current limit with foldback and thermal limit with hysteresis. The LT3045 is available in thermally enhanced 12-Lead MSOP and 10-Lead 3mm ? 3mm DFN packages.The LT3045-EP supports defense and aerospace applications (AQEC) VIOC Function LT3045-1 Yes LT3045 No APPLICATIONS RF Power Supplies: PLLs, VCOs, Mixers, LNAs, PAs Very Low Noise Instrumentation High Speed/High Precision Data Converters Medical Applications: Imaging, Diagnostics Precision Power Supplies Post-Regulator for Switching Supplies

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Part number: DC2491A

More details from Analog Devices Inc.