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AM4964 Description A Product Line of
AM4964 Description A Product Line of

... The CT pin will have a capacitor connected to ground. It is a multi-function pin providing timing for the lock detect and auto-restart. Different rates of charge and discharge of CT capacitor depending on the mode of operation (fan operation status) give the lock-detect time (tLCKDET) and lock time ...
STM1061
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... on page 6). Select a resistor value large enough to register a logic low, and small enough to register a logic high while all of the input current and leakage paths connected to the reset output line are being supplied. A 10k pull-up is sufficient in most applications. The advantages of open drain o ...
Stand-Alone Switch-Mode Lithium-Ion Battery-Charger Controller General Description Features
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... with only a ±0.8% total voltage error at the battery terminals. The external N-channel switch and synchronous rectifier provide high efficiency over a wide input voltage range. A built-in safety timer automatically terminates charging once the adjustable time limit has been reached. The MAX1737 regu ...
TL1963A-Q1 数据资料 dataSheet 下载
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... 1.5 A of output current with a dropout voltage of 340 mV. Operating quiescent current is 1 mA, dropping to less than 1 mA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the TL1963A regulato ...
DC to DC Square Root Transmitters, Isolated API 4440 G
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... or current input and provides a DC voltage or current output proportional to the square root of the input. The API 4440 G can be factory-configured and calibrated for most popular input and output ranges. Common applications include linearization of flow sensing elements such as differential pressur ...
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... Harmonic limits have been established and widely applied over the last 20 years. The primary harmonics standards are IEEE 519 and IEC 61000-3-6. IEEE 519 was first published in 1981, was substantially revised in 1992, and is currently undergoing another substantial revision. IEC 61000-3-6 has underg ...
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... dissipate the energy present in electrostatic (ESD) and electrical fast transients (EFT) discharges. A simplified schematic of the protection structure is shown in Figure 8 and Figure 9. Each input and output contains two back-to-back high speed clamping diodes. During normal operation with maximum ...
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... Harmonic limits have been established and widely applied over the last 20 years. The primary harmonics standards are IEEE 519 and IEC 61000-3-6. IEEE 519 was first published in 1981, was substantially revised in 1992, and is currently undergoing another substantial revision. IEC 61000-3-6 has underg ...
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... single phase full bridge inverter. Proper designs of control signal with powerful switches are very important in order to reduce the harmonics contents of the inverter output voltage. This approach hopefully will replace the existing analog controller due to it ability to produce precise control, l ...
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... The nominal voltage is 1.2 V Per Cell, Fully charged voltage is about 1.4 VPC. These cells should not be discharged to less than 0.9 V (unless some loss of life is acceptable). For R/C radio use, most modelers as well as battery cyclers and transmitter low voltage alarms use 1.1 VPC as a minimum dis ...
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Rectifier



A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification. Physically, rectifiers take a number of forms, including vacuum tube diodes, mercury-arc valves, copper and selenium oxide rectifiers, semiconductor diodes, silicon-controlled rectifiers and other silicon-based semiconductor switches. Historically, even synchronous electromechanical switches and motors have been used. Early radio receivers, called crystal radios, used a ""cat's whisker"" of fine wire pressing on a crystal of galena (lead sulfide) to serve as a point-contact rectifier or ""crystal detector"".Rectifiers have many uses, but are often found serving as components of DC power supplies and high-voltage direct current power transmission systems. Rectification may serve in roles other than to generate direct current for use as a source of power. As noted, detectors of radio signals serve as rectifiers. In gas heating systems flame rectification is used to detect presence of a flame.Because of the alternating nature of the input AC sine wave, the process of rectification alone produces a DC current that, though unidirectional, consists of pulses of current. Many applications of rectifiers, such as power supplies for radio, television and computer equipment, require a steady constant DC current (as would be produced by a battery). In these applications the output of the rectifier is smoothed by an electronic filter (usually a capacitor) to produce a steady current.More complex circuitry that performs the opposite function, converting DC to AC, is called an inverter.
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