Exar推出同步脉冲频率调制/脉冲宽度调制降压稳压器
2013-04-01 12:00:45 来源:网络 点击:2005
【哔哥哔特导读】Exar公司宣布XRP7674的可用性,一个新的同步脉冲频率调制和脉冲宽度调制(烤瓷/ PWM)下台电压调节器,最大负载电流2安培和操作输入电压18 v。
摘要: Exar公司宣布XRP7674的可用性,一个新的同步脉冲频率调制和脉冲宽度调制(烤瓷/ PWM)下台电压调节器,最大负载电流2安培和操作输入电压18 v。
Exar公司宣布XRP7674的可用性,一个新的同步脉冲频率调制和脉冲宽度调制(烤瓷/ PWM)下台电压调节器,最大负载电流2安培和操作输入电压18 v。
Exar Corporation announced the availability of theXRP7674, a new synchronous Pulse Frequency Modulation/Pulse Width Modulation (PFM/PWM) step down voltage regulator with a maximum load current of 2 Amps and operating input voltage up to 18V.
This latest addition to Exar’s PowerBloxTM family of high voltage, high current step down regulators, provides customers with a compact and integrated solution with improved light load efficiency, achieving better than 90% efficient conversions for output current as low as 50mA. TheXRP7674 is optimized for 5V and 12V inputs and addresses the needs of energy efficient equipment and the latest Energy Star regulations. This includes audio-video equipment such as set-top boxes and gaming systems, telecom, computing peripherals, distributed point-of-load conversions and portable applications where light load efficiency is essential.
“Energy efficient products are not only about energy bill savings, they also run cooler ultimately improving overall reliability and operation,” said Eric Pittana, director of marketing, Power Product Line,Exar. “The XRP7674 delivers excellent efficiency for always on points-of-load over a wide range of currents without the additional costs of other solutions.”
Product Information
The XRP7674 is a synchronous current mode PFM/PWM step down (buck) regulator capable of delivering a constant output current up to 2Amps. Reaching up to 95% efficiency, it achieves greater than 85% efficient conversions over a 30mA to 2A load current range. The XRP7674 operates at a fixed 340 kHz switching frequency, with output voltage adjustable down to 0.925V with +/- 2% accuracy across the entire operating range. A dedicated enable pin and programmable soft start provide design flexibility for any point-of-load supply. Built-in current limit, output over voltage and thermal shutdown protection provide theXRP7674 with fail-safe operations. The XRP7674 offers a package equivalent upgrade to Exar’s popular XRP7664.
Product Availability
The XRP7674 is available now and customers can purchase the product through authorized distributors or by going to the Exar website and selecting “order samples”. The XRP7674 comes standard in a RoHS compliant, Halogen Free 8-Pin SOIC Package. Pricing for the XRP7674, in 1,000 unit quantities, starts at $0.89 per unit.
Additional information on the XRP7674 is available online. Additional information on Exar’s power management products is also available online.
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高性能模拟混合信号器件和数据管理解决方案领导厂商Exar公司(纳斯达克:EXAR), 近日发布新款同步脉冲频率调制和脉冲宽度调制(PFM/PWM)降压稳压器- XRP7675,该产品提供最高3A的负载电流和高达18V的操作输入电压。XRP7675在宽泛的输出电流范围内提供90%以上的效率转换,是节能和能源和能源之星认证产品需求持续电源供给的理想之选。
高性能模拟混合信号器件和数据管理解决方案领导厂商Exar公司(纳斯达克:EXAR),近日发布新款同步脉冲频率调制和脉冲宽度调制(PFM/PWM)降压稳压器- XRP7674,该产品提供最高2A的负载电流和高达18V的操作输入电压。作为Exar高电压,高电流降压稳压器PowerBloxTM 家族的新成员,它为客户提供紧凑型和集成型解决方案,其改进型的轻载效率,帮助低至50mA输出电流获取90%以上的
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