The emerging trend of smart lighting and Internet of Things requires a new generation of LED drivers. Infineon Technologies introduces the new member of its XDP LED series, the XDPL8221 for cost-effective dual-stage drivers with advanced features. This device combines a quasi-resonant PFC and a quasi-resonant flyback controller with primary side regulation together with a communication interface. A […]
Regulators
100 V, 1 A DC/DC buck converter extends battery life
Texas Instruments introduced a wide-input-voltage (VIN) synchronous DC/DC buck converter with the industry’s best combination of light load efficiency, ease of design and overall power solution cost. The 100-V, 1-A LM5164 step-down voltage converter shrinks board space in rugged battery-powered industrial and automotive power supplies. Used in conjunction with TI’s WEBENCH Power Designer, this new […]
Compact dc/dc converter saves space in mobile equipment and industrial electronics
The THN 15N series of 15-W dc/dc converters come in a standard 1×1-in package and utilize the latest advances in power technology design to meet EMI Level A standards without external components and reduced no-load power consumption of 96-336 mW and efficiencies up to 91%. These compact, high-performance 15-W dc/dc converters are candidates for addressing […]
Low-noise 400-mA low-dropout linear regulator targets always-on automotive modules, noise-sensitive loads
The STMicroelectronics LDO40L 400mA low-dropout linear regulator delivers quiet and efficient power for always-on automotive modules and noise-sensitive loads. With 45µA quiescent current, the AEC-Q100 qualified LDO40L reduces the demand on vehicle batteries to run loads such as body and interior functions that are active when the ignition is off. In addition, the device can be disabled […]
Optimizing the energy efficiency of converters and controllers
Here’s how to evaluate energy efficiency associated with components that make up widely used power conversion circuitry. FRANK DE STASI, MATHEW JACOB, TEXAS INSTRUMENTS INC. IN SOME WAYS, selecting a module, converter or controller for power conversion resembles deciding whether to take a flight, board a train, or drive from point A to B. Once […]
12:1-input quarter-brick dc/dc converters key on railway apps
Two 40-W and 60-W dc/dc converter series come in quarter-brick packages with an ultra-wide input voltage range of 14 to 160 Vdc making them a good candidate for railway rolling stock applications and high voltage battery systems. The 12:1 input voltage range of RECOM’s RP40Q-RUW and RP60Q-RUW series covers all input voltages from nominal 24 […]
Step-down regulator module targets data center apps with on-board memory
Analog Devices, Inc. (ADI) expanded its suite of Power by Linear µModule regulators with the LTM4700 step-down DC/DC power regulator, which combines the highest power in its class with the energy efficient performance needed to reduce data center infrastructure cooling requirements. Configured as dual 50A or single 100A configuration, the new power µModule’s innovative package technology enables an increasing […]
RECOM switching regulator now available at Rutronik24
Rutronik, Inc.has announced that RECOM’s latest R-78E Series switching regulator module is now available at Rutronik24. RECOM designed the R-78E Series as a pin-compatible drop-in replacement for existing LM78 linear regulators, offering design engineers all the advantages of a switching regulator, including high efficiency, wide input voltage range, and accurate output voltage regulation, with a low cost […]
Compact synchronous silent switcher provides 5 V, 10 A
Analog Devices announces the Power by Linear LTC3310S, a 5V, 10A low EMI monolithic synchronous buck converter. The device’s fixed frequency peak current mode architecture is ideal for high step-down ratio applications that demand fast transient response. The LTC3310S uses the Silent Switcher 2 architecture with integrated hot loop bypass capacitors to deliver a highly efficient, small footprint […]
Eval boards check power modules for trimming, sequencing, soft starts and sensing functions
RECOM’s eval boards for the RPM‐1.0, RPM‐2.0, RPM‐3.0, and RPM‐6.0 buck regulator series generate a constant output voltage with an output current up to 6A from an external DC source. The multitude of functions offered by the RPM power modules such as trimming, sequencing, soft‐start, enable, and sensing can be evaluated. More importantly, the behavior […]
