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Quarter-Brick Converter

Photonics.com
Dec 2009
Power-OneRequest Info
 
CAMARILLO, Calif., Dec. 28, 2009 – The QW24T25033 launched by Power-One Inc. is a highly efficient quarter-brick DC-DC converter for use in communications, particularly wireless base station applications that use both 24- and 48-V battery backup power. It provides 3.3-V output that delivers 25 A and performs equally well at nominal inputs of either 48 or 24 V, where neither efficiency nor thermal performance is compromised. Input range is from 18 to 60 VDC.
PowerOne_DC-DC-_Converter.jpg
With efficiencies as high as 92%, the converter offers a Distributed-Power Open Standards Alliance (DOSA) standard quarter-brick footprint measuring 36.83 × 58.42 × 12.24 mm and is RoHS-compliant for all six substances. Additional features include: a -40 to 85 °C operating temperature range, capability to withstand an 80-V input transient for 100 ms, ability to start up into pre-biased loads and an onboard input differential LC-filter.

Interface and trim capabilities include: remote sense, remote on/off, negative or positive turn-on logic, and -20% to 10% output voltage trim ranges with industry-standard trim equations for design flexibility. Protections include: output overvoltage and overcurrent, input undervoltage lockout and overtemperature shutdown. Safety approvals include: UL60950-1, CSA60950-1, EN60950-1 and IEC60950-1.

The device weighs 37 g and requires neither a heat sink nor a minimum load. Applications include telecommunications, data communications, wireless communications, servers and workstations and industrial environments.

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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AmericaCaliforniaCommunicationsCSA60950-1DC-DC converterDOSAEN60950-1IEC60950-1industrialindustrial environmentsinput differential LC-filterinput undervoltage lockoutnegative turn-on logicno heat sinkovercurrent protectionovertemperature shutdownovervoltage protectionphotonicsphotonics.compositive turn-on logicPower-OneProductsquarter-brickQW24T25033remote on/offremote senseRoHS-compliantservers/workstationstelecommunicationsUL60950-1Wireless communications

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