Power Integrations announced an expansion of its InnoSwitch 3 families of offline CV/CC flyback switcher ICs. The new INN3x78C devices incorporate a smaller “size 8” 750 V PowiGaN transistor, enabling compact, efficient power supplies delivering between 27 W and 55 W without heatsinks. The ICs are housed in the same high-creepage, safety-compliant InSOP™-24D package as larger […]
DC-dc converter ICs can be stacked to deliver 160 A
Texas Instruments introduced a new 40-A SWIFTTM DC/DC buck converter, offering first-of-its-kind stackability of up to four integrated circuits (ICs). The TPS546D24A PMBus buck converter can deliver up to 160 A of output current at an 85°C ambient temperature – four times more current than competing power ICs. The TPS546D24A has the highest efficiency of any 40-A DC/DC converter, […]
Power converter modules handle 36-V inputs
The MagI³C FDSM power modules with fixed 3.3 or 5 V output voltages are now also available with an input voltage of 36 V, following on from versions with maximum input voltages of 28 and 42 V. The components in a SIP-3 package represent cost-effective solutions to meet the requirements for the transient capability of […]
Synchronous buck converter delivers 6 A for POL apps
Diodes Incorporated introduced the AP62600 synchronous DC-DC buck converter for point-of-load (POL) conversion in applications such as TVs, monitors, white goods, home appliances, consumer electronics, and large-scale integrated circuits. The AP62600 delivers up to 6A of output from a supply voltage of 4.5V to 18V. The device incorporates integrated high-side and low-side MOSFETs with 36mΩ […]
Miniature dc-dc converters target industrial apps with 1-W output
Flex Power Modules introduces new families of miniature DC-DC converters for industrial applications: the PUA-A, PUC-B and PUB-M. The new devices are all isolating converters providing output power of up to 1W, with no minimum load required. Efficiency is typically 84% (PUA-A), 80% (PUC-B) and 81% (PUB-M) – all at full load. Input-to-output isolation voltage […]
High input voltage industrial dc-dc converters deliver 5-kW output
Absopulse has released the HVI 5K-3U7 series of high input voltage industrial DC-DC converters that deliver up to 5kW output power. A built-in redundancy diode allows for parallel connection of a number of 5kW converter units to create a 10kW, 15kW, or higher DC-power solution, and N+1 operation. The output separation diode also makes the […]
Wide 36-60-V input range lets dc-dc converters target telecom applications
Flex Power Modules introduces a new version of its BMR480 digital DC-DC converter, optimized for telecom applications that require input voltage down to 36Vin. The converter, called the BMR480 0113/034, provides an extended input voltage range below 40Vin, as required for telecom power conversion applications. It is optimized for a wider input voltage range of […]
Synchronous DC/DC converters for smart industrial applications
STMicroelectronics’ L6983 38V/3A synchronous DC/DC converters maintain high efficiency at all loads with a maximum value of 95% and are highly integrated with synchronous MOSFETs on-chip to save external components and simplify design. The L6983 converters have extremely low quiescent current of just 17µA. Low current consumption (L6983C) and low-noise (L6983N) variants are available. The L6983C enters […]
Chassis-mount dc-dc converters handle 80-160-V input for harsh environments
TRACO POWER announces the release of the TMDC-H family of chassis-mount DC-DC converter modules covering 5 power levels ranging from 6~60 watts featuring 80~160 VDC input ranges and 3kVAC reinforced I/O isolation making them ideal for rugged environments and industrial applications. The TMDC-H modules come fully encapsulated with terminal strip connections for ease of installation […]
Where fixed-ratio converters fit in high-power delivery systems
Fixed-ratio converters are often the best way of minimizing the electrical current sent over significant distances in the interest of better power efficiency. Phil Davies Vicor Corp. The vast majority of electromechanical or semiconductor loads require stable dc-dc voltage conversion and tight regulation to operate reliably. The dc-dc converters that perform this function are commonly […]
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