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技术资料 PW4556_2.0.pdf规格书下载

The PW4556 series of devices are highly integrated Li-Ion and Li-Pol linear chargers targetedat small capacity battery for portable applications. It is a complete constant-current/ constantvoltage linear charger. No external sense resistor is needed, and no blocking diode is required dueto the inter ...
https://www.eeworm.com/dl/829493.html
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电源技术 DN387 级联7A点的负载单片降压转换器

  Easy-to-use and compact point-of-load power suppliesare necessary in systems with widely distributed, highcurrent, low voltage loads. The LTC®3415 provides acompact, simple and versatile solution. It includes a pairof integrated complementary power MOSFETs (32mΩtop and 25m&Omega ...
https://www.eeworm.com/dl/505/24304.html
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书籍 Optical+Communication+Theory+and+Techniques

Since the advent of optical communications, a great technological effort has been devoted to the exploitation of the huge bandwidth of optical fibers. Start- ing from a few Mb/s single channel systems, a fast and constant technological development has led to the actual 10 Gb/s per channel dense wave ...
https://www.eeworm.com/dl/522044.html
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单片机编程 基于DAC7512的数控直流恒流源设计

为了解决磁放大器性能测试过程中,需要对其供给不同数值恒定电流的问题,设计了一种基于DAC7512和单片机的数控恒流源系统。该系统采用AT89C51作为主控器件,将计算机发送的电流控制字命令转换为D/A转换器控制字,通过模拟SPI通信接口,写D/A控制字到DAC7512,从而控制其输出相应数字电压值,经差动缩放电路、电压/电路变换 ...
https://www.eeworm.com/dl/502/29315.html
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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

  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(80μA ...
https://www.eeworm.com/dl/505/24311.html
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PCB相关 计算FR4上的差分阻抗(PDF)

Calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and measured values of impedance for differential transmission lineson FR4. This is especially noticeable in the case of surface microstrip configurations. The anomaly is shown tobe due to ...
https://www.eeworm.com/dl/501/22297.html
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可编程逻辑 计算FR4上的差分阻抗(PDF)

Calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and measured values of impedance for differential transmission lineson FR4. This is especially noticeable in the case of surface microstrip configurations. The anomaly is shown tobe due to ...
https://www.eeworm.com/dl/kbcluoji/40417.html
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其他嵌入式/单片机内容 he LPC932 can be used to create a Pulse Width Modulated PWM signal. That s an analog signal, with on

he LPC932 can be used to create a Pulse Width Modulated PWM signal. That s an analog signal, with only 2 discrete levels, for example 0V and 5V and a constant period. The current value of this signal at a certain poiTnt of time is proportional to its Duty Cycle. That s the High Time during one perio ...
https://www.eeworm.com/dl/687/152774.html
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电源技术 DN457宽输入电压范围同步降压稳压器

  The LTC®3610 is a high power monolithic synchronousstep-down DC/DC regulator that can deliver up to 12Aof continuous output current from a 4V to 24V (28Vmaximum) input supply. It is a member of a high currentmonolithic regulator family (see Table 1) that featuresintegrated low RDS(ON) ...
https://www.eeworm.com/dl/505/24338.html
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单片机开发 This example provides a description of how to use a DMA channel to transfer a word data buffer fro

This example provides a description of how to use a DMA channel to transfer a word data buffer from memory (Flash) to memory (RAM). The dedicated DMA channel is configured to transfer once a time a 32 word data buffer stored as constant in the Flash memory to another buffer in the RAM memory. The r ...
https://www.eeworm.com/dl/648/287775.html
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