STMicroelectronics’ ST1PS01 step-down converters are engineered for small size, low quiescent current, and high efficiency at all values of load current, to save energy and real-estate in keep-alive point-of-load supplies and IoT devices such as asset trackers, wearables, smart sensors, and smart meters. Leveraging synchronous rectification, efficiency is 92% at 400mA full load and 95% when delivering […]
Converters
DC-DC converters optimized for high-volume wireless/microwave apps
Flex Power Modules is introducing the PKU4611A and PKU4617A, two new isolated DC-DC converters in the sixteenth-brick form factor. The new converters are ideal for low-power radio frequency power amplifier (RFPA) requirements within small cell radios and microwave applications. They offer a wide output trim range, which is optimized for the needs of low-power radio […]
2A dc-dc buck converters boast quiescent current as low as 22µA
Diodes Incorporated announced the availability of the AP63200. AP63201. AP63203. AP63205 2A synchronous DC-DC buck converters, delivering class-leading EMI performance across a range of input and output voltages. These devices are well-suited for a number of applications, including home appliances and industrial electronics, as well as telecommunications, power tools, office equipment and consumer products such as […]
DC/DC converters feature 4:1 input, compact 1×1-in. footprint
The recently released REC15E-Z series of 15-W isolated dc/dc converters features wide input ranges at low cost in the widely used 1×1-in. case size. This saves a significant amount of PCB space, while the wide input ranges increase flexibility by accepting several standard bus voltages. The REC15E-Z dc/dc converters are fully-specified devices with 15-W, no […]
Compact, conduction-cooled 504-W ac-dc modules offer PMBus communication
The conduction cooled TDK-Lambda PFH500F-28 ac-dc power modules are rated at 28 V 504 W, feature a compact 4×2.4-in footprint and have optional read/write programming and communication through a PMBus interface. These third-generation power supplies are candidates for a variety of applications including COTS (Commercial-Off-The-Shelf), power amplifiers, LED displays and test equipment. The PFH500F-28 series […]
Power Electronics Top Talks in December on EDABoard.com forums
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com Favorite low phase shift 240Vrms detector – I have a requirement for a very low phase shift, galvanically isolated, zero cross detector […]
Class II, Level VI external 110-W-rated supplies carry home medical and ITE safety certifications
The TDK-Lambda medical and industrial certified DTM110-C8 Class II (no earth ground needed) external power supplies meet stringent DoE Level VI and EU Tier 2 v5 standards for efficiency and off-load power. The DTM110-C8 is certified to the medical IEC 60601-1 and industrial IEC 60950-1 standards, making it suitable for a variety of hospital and […]
Bidirectional 8-channel level shifter supports wide voltage ranges
Diodes Incorporated announced the PI4ULS5V108 8-channel, high speed, bi-directional level shifter designed for inter-IC communications between devices operating on different voltage supply rails. Targeted applications include PC, servers, networking, telecom, and consumer electronics. The PI4ULS5V108 supports up to 100 MHz up-translation and greater than 100 MHz down-translation at ≤30pF capacitive load. This allows it to support […]
GaN FETs boost efficiency in electric vehicle chargers
The role gallium-nitride FETs play in the design of an EV charging circuit help illustrate how these wide-bandgap semiconductors facilitate energy efficiency. FENG QI, TRANSPHORM THE PHASE-SHIFT FULL BRIDGE (PSFB) is a classic topology for applications that must accommodate a wide range of operating voltages, as with battery chargers. A PSFB converter generally uses four […]
Isolated DC-DC converter targets data center apps with 70-A output
Flex Power Modules introduces its first generation of DC products to address the growing need for higher energy efficiency levels in data center and cloud computing infrastructure. The new BMR481 DC-DC converter has an input range of 40-60V targeting 48-54V nominal supplies, and a programmable 0.5-1.35V output. The 12 x 27.7mm footprint ‘main’ module provides […]
