LT3045 - 20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator

Analog Devices

LT3045 - 20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator RSS Sample
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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 <<1μA 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 10μF 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.

VIOC Function





* 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

Elecena nie prowadzi sprzedaży elementów elektronicznych, ani w niej nie pośredniczy.

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