Linear Technology introduces the LTM8049, a dual output, two-function DC/DC µModule® (power module) regulator in 15mm x 9mm x 2.42mm BGA package. One function is SEPIC (single-ended primary-inductor converter) in which the output voltage is regulated while the input voltage can vary to be less, equal or more than the value of the output voltage. […]
Regulators
ZVS Buck-Boost Regulators handle 200 W with 97% efficiency
Vicor Corporation announced the addition of two new buck-boost regulators to its Cool-Power® ZVS Regulator portfolio. Delivering up to 200 Watts at greater than 97% efficiency, these new Cool-Power Regulators incorporate Vicor’s proprietary high-frequency zero-voltage switching (ZVS) technology and feature best-in-class conversion efficiency, power density, and performance. Engineered and optimized as a complete solution, PI3741-0x […]
Power regulators handle high-power, low-voltage sub-28-nm GPUs, FPGAs, ASICs, and processors
Linear Technology Corp. introduces the LTM4650-1A and LTM4650-1B, dual 25A or single 50A µModule (power module) regulators scalable to deliver 300A to high power, low voltage sub-28nm GPUs, FPGAs, ASICs and microprocessors. The low core voltage of these digital devices requires very accurate voltage regulation at both steady state (DC) and fast load current transients. The […]
High-Efficiency, High-Current Buck-Boost Regulators target battery-powered portable apps
Intersil today announced the ISL91127 and ISL91128 high-efficiency buck-boost regulators. The latest in Intersil’s industry-leading buck-boost family, the new devices feature 4.5A switches, best-in-class efficiency up to 96%, and a compact footprint ideal for providing system power or powering the peripherals in battery-operated devices. They offer the industry’s lowest quiescent current of 30µA for superior […]
Synchronous Rail-to-Rail Step-Down Regulator Sinks/Sources ±5 A
Linear Tech Corporation announces the LTC3623, a ±5A high efficiency, current mode synchronous buck regulator that is adjustable from 14.5V down to 0V output with a single resistor. Proven on Linear Technology’s prior linear regulators and switching regulators, this innovative architecture uses a 50µA current reference, combined with a single resistor, to set the output […]
Eight-channel configurable 1-A buck DC/DC converters for multi-rail systems
Linear Technology Corporation announces the LTC3374A, a highly integrated general-purpose power management solution for systems requiring multiple low voltage power supplies. The device can be configured to provide 2 to 8 independent regulated outputs with 15 possible output current configurations. Such flexibility makes the LTC3374A ideally suited for a wide variety of multichannel applications, including […]
Automatic decay scheme for stepper motor current regulation
by Rakesh Raja and Sudhir Nagaraj || Closed-loop current regulation in stepper motors plays a major role in determining the accuracy and smoothness of motor motion. The scheme of current control also determines the power efficiency of the motor drive system. A typical pulse-width modulation (PWM) control loop used today has a suite of fixed-decay […]
Online tool helps spec AC/DC power modules
Vicor announced the introduction of its new Power System Designer online design tool, giving system designers unprecedented flexibility to architect and optimize end-to-end power systems leveraging Vicor’s power component design methodology and high-performance power components. Grappling with Complicated Power Requirements Complex and compact electronic products and systems have driven demand for ever smaller, more […]
Narrow profile DC-DC regulated power supply series
Acopian Power Supplies announced that their Narrow Profile DC-DC Regulated Power Supply Series is certified to UL 60950 (Information Technology Equipment) and UL 508 (Industrial Control Equipment) Safety Standards, conforms to the low voltage directive legal requirements to achieve CE marking, and is RoHS Compliant. The over 150-part series comprises 100 kHz single-output power supplies […]
Synchronous buck regulators step-down 5 and 3.3-V primary rails to POL inputs
Intersil Corporation has announced a family of monolithic synchronous buck regulators that step-down 5V and 3.3V primary rails to point-of-load (POL) inputs as low as 0.6V for GPUs, FPGAs, DSPs and SOCs. The highly efficient ISL78233, ISL78234 and ISL78235 deliver 3A, 4A and 5A, respectively, of continuous output current to infotainment head units and advanced […]
