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PCB相关 PCB设计问题集锦
PCB设计问题集锦
问：PCB图中各种字符往往容易叠加在一起，或者相距很近，当板子布得很密时，情况更加严重。当我用Verify Design进行检查时，会产生错误，但这种错误可以忽略。往往这种错误很多，有几百个，将其他更重要的错误淹没了，如何使Verify Design会略掉这种错误，或者在众多的错误中快速找到重要的错误。 答 ...
电源技术 DN512 - 65V、500mA 降压型转换器可轻易地容纳在汽车及工业应用中
LTC®3630 是一款通用的突发模式 (Burst Mode®) 同步降压型 DC/DC 转换器，其包括三种可通过引脚选择的预设输出电压。
电源技术 交流瓦特/瓦特小时，乏尔/乏尔小时转换器
交流瓦特/瓦特小时，乏尔/乏尔小时转换器 特点： 精确度0.25%满刻度 多种输入,输出选择 输入与输出绝缘耐压2仟伏特/1分钟 冲击电压测试5仟伏特(1.2x50us) 突波电压测试2.5仟伏特(0.25ms/1MHz) (IEC255-4) 尺寸小，稳定性高 主要规格： 精确度: 0.25% F.S. (23 &plusmn;5℃) 输入负载: <0.2VA (Voltage) <0.2VA (Current) ...
电源技术 FP6291
DC/DC 升压IC：The FP6291 is a current mode boost DC-DC converter. Its PWM circuitry with built-in 0.25 &Omega;
power MOSFET make this regulator highly power efficient. The internal compensation network also
minimizes as much as 6 external component counts. The non-inverting input of error amplif ...
电源技术 DN387 级联7A点的负载单片降压转换器
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Easy-to-use and compact point-of-load power suppliesare necessary in systems with widely distributed, highcurrent, low voltage loads. The LTC&reg;3415 provides acompact, simple and versatile solution. It includes a pairof integrated complementary power MOSFETs (32m&Omega;top and 25m&Omega ...
电源技术 DN1014同步降压型控制器在汽车应用中的电池寿命延长
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Battery powered applications that have a signifi cantamount of time in standby mode, require electrical circuitsto operate with a low quiescent current to preserve batterylife. The LTC3835 synchronous step-down controlleris an excellent solution with its ultralow quiescent current(80&mu;A ...
电源技术 具有宽输入范围的微型单片降压型稳压器
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Automotive batteries, industrial power supplies, distributedsupplies and wall transformers are all sources ofwide-ranging high voltage inputs. The easiest way to stepdown these sources is with a high voltage monolithicstep-down regulator that can directly accept a wide inputrange and prod ...
电源技术 DN442 I2C可控降压紧凑型同步DC/DC稳压器
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The LTC&reg;3562 quad output step-down regulator is designedfor multicore handheld microprocessor applications thatoperate from a single Li-Ion battery. Its four monolithic, higheffi ciency buck regulators support Intel&rsquo;s mobile CPU P-Stateand C-State energy saving operating modes. ...
电源技术 三降压稳压器功能的1-Wire动态可编程输出电压
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The LTC&reg;3569 is a compact power solution for handhelddevices. Its tiny 3mm &times; 3mm QFN package includesthree buck regulators with individually programmableoutput voltages. One regulator supports load currentsup to 1200mA, while the other two support currents to600mA. Two regulator ...