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MAX1879 Simple, Efficient, 1-Cell Li+ Pulse Charger General Description Features
MAX1879 Simple, Efficient, 1-Cell Li+ Pulse Charger General Description Features

... VBATT = 5.1V, gate driven high ...
NCP1403 15 V/50 mA PFM Step-Up DC-DC Converter
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... The NCP1403 device consists of startup circuit, chip enable circuit, PFM comparator, voltage reference, PFM on/off timing control circuit, driver, current limit circuit, and open-drain MOSFET switch. The device operating current is typically 130 mA, and can be further reduced to about 0.3 mA when th ...
TPS61040-Q1 数据资料 dataSheet 下载
TPS61040-Q1 数据资料 dataSheet 下载

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... The 1910 instrument is capable of measuring DC Resistance over the range of 1m - 100k. Measuring the DCR or winding resistance of a coil of wire confirms that the correct gauge of wire, tension and connection were used during the manufacturing process. The amount of opposition or reactance a wire ...
Transformerless Power Supply Design
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... Note that the Zener diode will actively dissipate power when reverse current flows through it because there is a voltage (the Zener voltage) across it. This power is P = I*V. Using a Zener diode instead of a resistor for Z2 produces a better power supply which maintains constant output voltage despi ...
Transpower Planning criteria
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AN-1411 LM3075 Evaluation Board Reference
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... The output voltage is set by the ratio of Rfb1 and Rfb2. The resistor values can be determined by the following equation: Rfb2 = ...
INA19xA-Q1: Current Shunt Monitors With -16-V to 80
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... achieve brownout and high/low line compensation. Once the voltage on the HV pin is lower than the brownout voltage, PWM output turns off. High/low line compensation dominates the cycle-bycycle current limiting to achieve constant output power limiting with universal input. ...
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UC3851 数据资料 dataSheet 下载

Study of PTCR Behavior for Wide Voltage and Ambient Temperature
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... time's characteristics are recorded. Storage Oscilloscope is used for recording the characteristics of PTCR in the experiments. The observations of experiments are listed in table 1. 0. Considering the critical characteristics of PTCR two motors 118th HP and 116th HP are designed with optimized star ...
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electrical systems on meriden triumphs
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... as you connect the probes. The meter should indicate a low initial resistance, with a rapid increase in resistance as the condenser charges over a period of a few seconds. The meter should, after no more than 5 seconds, indicate infinite resistance. If it shows some steady high resistance (eg 10Mohm ...
Understanding Arrester Discharge Voltage
Understanding Arrester Discharge Voltage

... system. This voltage limiting characteristic of arresters is the primary feature of an arrester in most cases, and the reason for its existence. The voltage limiting characteristic has several names and has even changed over the years. The term Discharge Voltage is commonly used in the US market whi ...
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LimReport
LimReport

... Fig 2. Vcc vs. time The trace on Fig 2. shows the Vcc on the module. One can see that before the current switch Vcc was 3.5V (0 is at the letter A on the right side of the picture), then we see about 0.5V high, and 50μs long overshoot and then Vcc = 4.4V as defined by the limiter. The same event on ...
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Triode



A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode). Invented in 1906 by Lee De Forest by adding a grid to the Fleming valve, the triode was the first electronic amplification device and the ancestor of other types of vacuum tubes such as the tetrode and pentode. Its invention founded the electronics age, making possible amplified radio technology and long-distance telephony. Triodes were widely used in consumer electronics devices such as radios and televisions until the 1970s, when transistors replaced them. Today, their main remaining use is in high-power RF amplifiers in radio transmitters and industrial RF heating devices. The word is derived from the Greek τρίοδος, tríodos, from tri- (three) and hodós (road, way), originally meaning the place where three roads meet.
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