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350-W Half-brick

Photonics.com
Dec 2009
Power-OneRequest Info
 
Pinout DC/DC Converter
CAMARILLO, Calif., Dec. 31, 2009 – Power-One Inc. has launched the HBA48T12280, an efficient 350-W half-brick pinout DC/DC converter for use in cellular infrastructure, wireless communications, telecommunications and radio-frequency amplifier applications. It has a smooth efficiency curve that equals or exceeds 90% for loading conditions ranging from 40% to 100%. Its ultrawide trim range enables it to operate from a 21- to 33-VDC output range and renders it suitable for use across a multitude of radio frequency amplifier technologies. It delivers up to 12.5 A of output current and requires no minimum load.

PowerOne_HalfBrick.jpgAdditional features include a 36- to 75-VDC input range, a -40 to 100 °C operating temperature range, ability to withstand a 100-V input transient for 100 ms, ability to start up into prebiased loads and an onboard input differential LC (inductor/capacitor) filter. The converter has an industry-standard half-brick footprint measuring 61 × 57.9 mm and a low profile of 12.7 mm high. It is RoHS-compliant for all six substances.

The open-frame converter module is constructed with a dual-board approach using discrete magnetics. The remote sense feature compensates for voltage drops occurring between the output pins of the converter and the load.

Protections include: output overvoltage and overcurrent shutdown, input undervoltage lockout and overtemperature shutdown with hysteresis. Interface and trim capabilities include: remote on/off (positive or negative logic option) and 18% to -25% output voltage trim ranges with industry-standard trim equations. Safety approvals include UL60950-1/CSA 22.2 No. 60950-1, EN60950-1 and IEC60950-1.

For more information, visit: www.power-one.com  

Power-One Inc.
740 Calle Plano
Camarillo, CA 93012-8583
Phone: (805) 987-8741


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AmericaCaliforniacellular infrastructure applicationsCommunicationsDC/DC converterdual boardhalf-brickHBA48T12280hysteresisinput undervoltage lockoutLC filtermagneticsno minimum loadopen frameoutput overvoltage shutdownovercurrent shutdownovertemperature shutdownphotonicsphotonics.comPower-OneProductsradio-frequency amplifier applicationsremote senseRoHS-complianttelecommunicationsWireless communications

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