Search results for "MOSFET"
Isolated Forward Converter Integrated Circuits Specified over -55°C to 125°C Junction Temperature Range
Linear Technology has announced the high reliability (MP-grade) version of the LT1952/-1, LTC3900 and LT4430. These devices combine to create a high efficiency (up to 95%) synchronous rectified isolated forward converter that is specified and production tested over a -55°C to 125°C operating junction temperature range.
Contrôleur DC/DC abaisseur, à large gamme de tensions d’entrée, fonctionnant avec une température de jonction de – 55°C à 150°C
Linear Technology Corporation annonce les versions de classes H et MP du LTC3851A, un contrôleur DC/DC, abaisseur, synchrone, à large gamme de tensions d’entrée (4V à 38V), convenant à une large gamme d’applications, comprenant la plupart des tensions intermédiaires de bus et de batteries chimiques. Les robustes pilotes de grille de MOSFET, embarqués, permettent l'emploi de MOSFET externes, de forte puissance, pour fournir des intensi...
Isolated 12-Port Power over Ethernet PSE Controller Chipset Eliminates Optos for Lowest Solution Cost
Linear Technology introduced the LTC4270/ LTC4271 isolated 12-port Power Source Equipment (PSE) controller chipset designed for use in IEEE 802.3at (PoE+) Type 1 and Type 2 compliant Power over Ethernet (PoE) systems.
Quad & Single LTPoE++ PSE Controllers Deliver Up to 90W
Linear Technology Corporation introduces the LTC4266A and LTC4274A, 4-port and single-port Power over Ethernet (PoE) controllers for Power Sourcing Equipment (PSE), delivering up to 90W of power to Powered Devices (PDs). The current IEEE standard, 802.3at (also known as PoE+), limits the maximum available power to PDs to 25.5W. By the time the standard was ratified in 2009, applications were already demanding higher power levels. The LTC4266A and...
Single-Inductor Low VIN Buck-Boost DC/DC Controller Optimized for Medium Power Outputs
Linear Technology has introduced the LTC3785, a 96% efficient buck-boost switching regulator controller that operates from input voltages above, below or equal to the output voltage for powering tablet PCs, handheld instruments, wireless modems, portable media players and a wide variety of single or dual-cell Li-Ion or multi-cell alkaline/NiMH powered devices.
Step-Down DC/DC Controller in 4 x 4 QFN from Linear Technology
Linear Technology has announced the LTC3850, a 95% efficient, dual output synchronous step-down switching regulator controller that drives all N-channel power MOSFET stages with coincident or ratiometric tracking. The 4V to 24V input range encompasses a wide variety of applications including most intermediate bus voltages and battery chemistries. The strong on-board driver allows the use of high power external MOSFETs to produce output currents u...
Ultralow Quiescent Current High Power Step-Down DC/DC Controller
Linear Technology has announced the LTC3834/-1, a synchronous step-down DC/DC controller, featuring the industry’s lowest quiescent current. Drawing only 30uA in sleep mode, the LTC3834/-1 is ideal for preserving battery energy in always-on automotive systems or battery-powered devices where the system remains semi-active, or when a car’s engine is off. When in shut down mode, the LTC3834/-1 draws a mere 4uA.
24V Input Synchronous Step-Down Regulator Delivers 12A from a 9mm x 9mm QFN
Linear Technology has announced the LTC3610, a high efficiency, synchronous buck regulator which can deliver up to 12A of continuous output current at voltages as low as 0.6V. It operates from an input voltage of 4V to 24V (28V ABS Max), making it ideal for applications with multicell Li-Ion, lead acid batteries or fixed voltage rails up to 24V. Its valley current control architecture delivers very low duty cycle operation at high frequencies wit...
Battery Charger Controllers in Compact 16mm2 Package Require No Blocking Diode
Linear Technology has introduced the LTC4012, LTC4012-1 and LTC4012-2, fast-charge 4A capable high efficiency switchmode battery charger controllers for multiple battery chemistries. The LTC4012 supports Li-Ion/Polymer, NiMH, NiCd and sealed lead acid battery chemistries in single and multicell configurations.
Small Footprint 4V-38V Input Voltage Range Synchronous Step-Down DC/DC Controller
Linear Technology has announced the LTC3854, a tiny 2mm x 3mm DFN-12 packaged, wide input voltage range synchronous step-down switching DC/DC controller that drives all N-channel power MOSFET stages. The 4V to 38V input range addresses a wide variety of applications, including most intermediate bus voltages and battery chemistries. The strong on-board MOSFET gate drivers enable high power external MOSFETs to produce output currents up to 20A with...