Analog Devices announces the Power by Linear LTC4291/92 isolated 4-port power source equipment (PSE) controller chipset, the first of its kind to pass a series of IEEE 802.3bt (PoE++) Power over Ethernet (PoE) conformance tests administered by Sifos Technologies. PoE naturally presents system and network engineers with PSE evaluation challenges. PSEs are multichannel, intelligent DC power […]
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Regulator module drives LEDs with 1.6 A
Analog Devices announces the Power by Linear LTM8005 boost DC/DC µModule (power module) regulator designed for driving LEDs. The LTM8005 includes a DC/DC controller, power switch, Schottky diode and current sense resistor in a 9mm x 11.25mm x 2.22mm BGA package. The LTM8005 operates from a 5V to 38V input voltage range and can deliver up […]
Synchronous boost LED controller features 60-V output
Analog Devices announces the Power by Linear LT3762, a 60V output, high efficiency, synchronous, boost LED driver controller with a programmable internal LED PWM signal generator and spread spectrum frequency modulation that yield low EMI noise. The versatile LT3762 includes a rail-to-rail current sense amplifier, enabling high side or low side current sensing that in addition […]
Synchronous step-down switcher delivers 95% efficiency at 2 MHz, emits little EMI
Analog Devices announces the Power by Linear LT8642S, a 10A, 18V input synchronous step-down switching regulator. Its Silent Switcher 2 architecture uses two internal input capacitors as well as internal BST and INTVCC capacitors to minimize the area of the hot loops. The LT8642S dramatically reduces EMI emissions as a result of its controlled switching edges and its internal […]
Isolated 4-port 802.3bt PoE++ PSE controller delivers up to 71.3 W
Analog Devices announces the Power by Linear LTC4291/LTC4292 isolated 4-port power sourcing equipment (PSE) controller chipset designed for use in IEEE 802.3bt (PoE++) Power over Ethernet (PoE) systems. The LTC4291/LTC4292 provides 4 independent PSE ports comprised of 2 channels each, ensuring fully compliant support for the next generation of IEEE 802.3bt powered devices (PDs). The LTC4291 […]
FEMA-compliant step-down regulator features wide input range
Analog Devices announces the Power by Linear LTM8002, a step-down DC/DC µModule (power module) regulator with a 40V input voltage rating (42V abs max) and 2.5A of continuous (3.5A peak) output current, housed in a 6.25mm x 6.25mm x 2.22mm BGA package. The LTM8002 includes a switching regulator controller, power switches, inductor and other supporting components. […]
Isolated power converters support Class B system EMI levels
Analog Devices, Inc. today announced its latest generation of reinforced isolated power converters, setting a new benchmark for low component-level radiated emissions allowing systems to meet EN 55022/CISPR 22 Class B Electromagnetic Interference (EMI) standard requirements. The ADuM5020/6020 and ADuM5028/6028 series eliminate the need for costly EMI mitigation techniques at the application level and simplify the […]
2-MHz boost/SEPIC/inverter features 2-A, 100-V power switch,9 µA quiescent current
Analog Devices announces the Power by Linear™ LT8361, a current mode, 2MHz multitopology DC/DC converter with an internal 2A, 100V 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 […]
Step-down regulator operates from 24-to-48-V inputs, emits little EMI
Analog Devices announces the Power by Linear LTM4653, 58VIN step-down µModule Regulator. The LTM4653 can safely operate from unregulated or fluctuating 24V to 48V input supplies in noisy environments such as factory automation, industrial robotics, communication infrastructure and avionics systems. The LTM4653 integrates input and output filters in a package, enabling the device to meet the EN55022 […]
Power system manager combines digital measurements, PMBus interface computation
Analog Devices announces the Power by Linear LTC2972, a 2-channel power system manager, featuring current, power and energy monitoring of the intermediate bus input to point-of-load (POL) converters. Monitoring circuit board power and energy use is a prerequisite for managing, optimizing and reducing their consumption in order to lower server rack and data center cooling and […]
