Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC3636 and LTC3636-1 are high efficiency, 4MHz synchronous dual output buck regulators that incorporate a unique constant frequency/controlled on-time, current mode control scheme with phase lockable switching frequency. Further, their innovative design architecture reduces conducted and radiated emissions. The devices can deliver up to […]
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High-power fixed-ratio DC/DC controller eliminates power inductor in non-isolated intermediate bus converters
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7820, a high power fixed ratio charge pump DC/DC controller that eliminates the power inductor in a non-isolated intermediate bus converter, allowing up to a 50% reduction in circuit size and up to 4000W/in³ power density. The LTC7820 drives external MOSFETs in voltage divider, […]
Synchronous Step-Down DC/DC Converter Delivers 93% Efficiency at 2MHz for vehicular apps
June 19, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8607, a 750mA, 42V input synchronous step-down switching regulator. A unique synchronous rectification topology delivers 93% efficiency while switching at 2MHz, enabling designers to avoid critical noise-sensitive frequency bands, such as AM radio while using a very compact solution footprint. […]
Synchronous step-down switching regulator hits 2 MHz
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LT8606, a 350mA, 42V input synchronous step-down switching regulator. A unique synchronous rectification topology delivers 92% efficiency while switching at 2MHz, enabling designers to avoid critical noise-sensitive frequency bands, such as AM radio while using a very compact solution footprint. Burst Mode® operation keeps […]
Power Status: battery monitors matter
For battery powered systems it can be useful to know something about the state of the battery in order to predict remaining battery life. With specific charge/discharge information, you could also manage battery consuming resources to maximize battery life. There are integrated circuits to help with either approach. For simple charge or discharge information, a […]
150-V synchronous step-down dc/dc controller eliminates external surge protection devices
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7801, a high voltage nonisolated synchronous step-down switching regulator controller in compact 24-lead packages that drives an all N-channel MOSFET power stage. Its 4V to 140V (150V abs max) input voltage range is designed to operate from a high input voltage source or from […]
150-V fast high-side-protected N-channel MOSFET driver provides 100% duty cycle
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7000/-1, a high speed, high side N-channel MOSFET driver that operates up to a 150V supply voltage. Its internal charge pump fully enhances an external N-channel MOSFET switch, allowing it to remain on indefinitely. The LTC7000/-1’s powerful 1Ω gate driver can drive large gate […]
Top power electronics threads on EDAboard.com – May
(editor’s note: Intrigued by these power electronics problems? Have a question or another solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the power electronics forum threads.) Common mode noise mitigation in offline power supplies – In offline power supplies, common mode emissions […]
Synchronous Step-Down Controller Operates at up to 2.25 MHz
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7800, a synchronous step-down DC/DC controller that operates at up to 2.25MHz for reduced circuit size and increased power density. Its low 45ns minimum on-time enables 24VIN to 3.3VOUT conversions while switching at a fixed 2MHz, avoiding critical noise-sensitive frequency bands including AM radio. […]
Small form factor isolated gate drivers enable higher switching speeds of new inverter architectures
Analog Devices, Inc. (ADI) today announced small form factor isolated gate drivers designed for the higher switching speeds and system size constraints required by power switch technologies such as SiC (Silicon Carbide) and GaN (Gallium Nitride), while still providing reliable control over switching characteristics for IGBT (insulated gate bipolar transistor) and MOSFET (metal oxide semiconductor […]
