Analog Devices announces the Power by Linear LTC7810, a high voltage non-isolated 150-V dual synchronous step-down DC/DC controller that drives all N-channel MOSFET power stages. Its 4.5V to 140V (150V abs max) input voltage range is designed to operate from a high input voltage or from an input that has high voltage surges, eliminating the need […]
Controllers
DC-DC converters target renewable energy applications
A new line of dc-dc converters range from 5 to 40 W. The AE series, available in board mount, chassis mount, and DIN-rail-mount configurations, offers power ratings of 5 W, 10 W, 15 W and 40 W with input voltages up to 1,500 Vdc and input ratio ranges up to 10:1. Designed for reliable operation […]
Wide-input range buck-boost controller needs no external surge suppression devices
Analog Devices announces the Power by Linear LTC3777, a 150V high efficiency (up to 99%) 4-switch synchronous buck-boost controller, which operates from input voltages above, below or equal to the regulated output voltage. Its 4.5V to 150V input voltage range operates from a high input voltage source or from an input that has high voltage surges, […]
New DC-DC converter family powers modern railway applications
A family of wide input range (43 – 154 V input) 3623 (36 x 23 mm) ChiPs with power levels up to 24 0W and 93% efficiency target new rail transportation and infrastructure applications. Modern rail infrastructure requires a wide range of dc-dc converters to power a variety of new services for both freight and […]
Fully encapsulated dual 30-A and single 33-A digital power modules
Two new fully encapsulated digital dc/dc PMBus power modules deliver the highest power density and efficiency in their class. The dual ISL8274M operates from a 5-V or 12-V power rail, provides two 30-A outputs and up to 95.5% peak efficiency in a compact 18×23-mm2 footprint. The new ZL9024M operates from a 3.3-V rail and outputs […]
DC/DC controller merges switched-capacitor circuit, synchronous step-down controller to shrink package size
Analog Devices, Inc. today announced the Power by Linear LTC7821, an industry first hybrid step-down synchronous controller that merges a switched capacitor circuit with a synchronous step-down controller, enabling up to a 50% reduction in DC/DC converter solution size compared to traditional step-down solutions. This improvement is enabled by a three times higher switching frequency without compromising efficiency. […]
Current-mode, 2-MHz step-up dc/dc converter hosts internal 4-A, 60-V switch
Analog Devices, Inc. announces the Power by Linear LT8364, a current mode, 2MHz step-up DC/DC converter with an internal 4A, 60V switch. It operates from an input voltage range of 2.8V to 60V, and is suitable for applications with input sources ranging from a single-cell Li-Ion battery to multicell battery stacks, automotive inputs, telecom power supplies […]
Longer battery life for hearables and wearables
Single-inductor, multiple-output circuitry can provide the kind of high conversion efficiency necessary for super-small consumer electronics. Cary Delano, Reno Rossetti | Maxim Integrated When you’re designing hearables and wearables, user experience dictates that long battery life is a key requirement. Nobody wants to stop and recharge the batteries on their earbuds during a long walk […]
Integrated controller handles Li-ion battery formation and grading tasks
Analog Devices, Inc. today introduced a precision integrated analog front end, controller, and pulse-width modulator (PWM) for battery testing and formation capable of increasing system accuracy and efficiency in lithium-ion battery formation and grading. Compared to conventional technology, the new AD8452 provides 50 percent more channels in the same amount of space, adding capacity and increasing […]
Rectifier controller supports automotive applications with minimum input voltages of 3.0V
Analog Devices announces the Power by Linear LT8672, an active rectifier controller with reverse input protection to –40V. Its 3V to 42V input voltage capability is ideal for automotive applications which must regulate through cold-crank and stop-start scenarios with minimum input voltages as low as 3.0V and load dump transients up to 40V. The LT8672 […]