LT3094, −20V, 500mA, Ultralow Noise, Ultrahigh PSRR Negative Linear Regulator
IC

LT3094, −20V, 500mA, Ultralow Noise, Ultrahigh PSRR Negative Linear Regulator

Analog Devices announces the Power by Linear LT3094, an ultralow noise, ultrahigh power supply ripple rejection (PSRR), low dropout voltage, 500mA negative linear regulator that targets applications requiring the lowest noise performance. It features industry-leading 0.8µVRMS...

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Versatile And Open Source LiPo bBattery Breadboard Power Supply
HardwareICPower supply

Versatile And Open Source LiPo bBattery Breadboard Power Supply

Orlando Hoilett from Calvary Engineering LLC designed a  versatile Li-Po battery breadboard power supply and wrote an Instructables on it. This power supply outputs 3.3V to the breadboard and takes input from a single-cell LiPo battery. The breadboard power supply also has the...

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Ultra-low-noise, high PSRR, 0.5A negative rail LDO
IC

Ultra-low-noise, high PSRR, 0.5A negative rail LDO

By Graham Prophet @ eedesignnewseurope.com: Analog Devices has added to its range of linear voltage regulator chips intended for stabilising supply rails to the most noise-sensitive active devices such as ADCs, DACs and precision/instrumentation amplifiers, that operate from negative...

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LDO regulator boasts high PSRR
IC

LDO regulator boasts high PSRR

by Susan Nordyk @ edn.com: In addition to low noise, the LT3045 linear regulator from Linear Technology provides a PSRR (power supply rejection ratio) of >90 dB to 10 kHz and >70 dB to 2.5 MHz, quieting noisy or high-ripple input supplies. The LDO regulator’s ultralow spot...

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LT3086 – 40V, 2.1A Low Dropout Adjustable Linear Regulator with Monitoring and Cable Drop Compensation
IC

LT3086 – 40V, 2.1A Low Dropout Adjustable Linear Regulator with Monitoring and Cable Drop Compensation

Graham Prophet  @ www.edn-europe.com discuss about LT3086 LDO. The 40V, 2.1A low dropout linear regulator (LDO) includes current monitoring with externally settable current limit and temperature monitoring with external control of thermal limit temperature. The device includes a...

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Benefits of Using A Buck-Boost Converter As A Pre-regulator For LDOs
Power

Benefits of Using A Buck-Boost Converter As A Pre-regulator For LDOs

Intersil published a new white paper titled “Preventing Subsystem Brownouts in Mobile Devices“. This white paper demonstrates the benefit of using a buck-boost converter as a pre-regulator, which leads to better overall system efficiency and enhanced battery life. Systems...

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How to Improve Buck Converter Light Load Efficiency with an LDO
Power supply

How to Improve Buck Converter Light Load Efficiency with an LDO

By Michael Hartshorne @ digikey.com: Designing a DC/DC converter that only consumes micro amps of current at no load can be compared to fueling a muscle car with lighter fluid – you may get it to work, but it won’t be easy. High efficiency at full load currents is commonplace in...

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Choose the right step-up/down voltage regulator for portable applications
Power supply

Choose the right step-up/down voltage regulator for portable applications

Reno Rossetti & Inyong Kim discuss about the power needs on portable devices and help us choose the right regulator. A popular power source for portable devices is a single lithium-ion cell with 4.2V at full charge and 2.8V at end of discharge. However, some functions within...

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