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TPS40020 数据资料 dataSheet 下载
TPS40020 数据资料 dataSheet 下载

... high-performance dc-to-dc converters with input voltages from 2.25 V to 5.5 V, and output voltages as low as 690 mV. Using a top side N-channel MOSFET for the primary buck switch results in lower switch resistance for a given gate charge. The device controls the delays from main switch off to rectif ...
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... The FJAFS1720 provides exceptional reliability and a large operating range due to its square reverse-bias-safeoperating-area (RBSOA) and rugged design. The device is avalanche rated and has no parasitic transistors, so is not prone to static dv/dt failures. The power switch is manufactured using a d ...
High Voltage Pulse Modulators Tutorial
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... operates with a 5 μs pulse of 49.8 kV voltage and 115A current. Then the impedance of magnetron is ~433Ω. To provide power to this magnetron, we should have a transmission line with characteristic impedance close to 433Ω. Secondly the dc charging power supply has to have a voltage rating of two time ...
DS75176B/DS75176BT Multipoint RS-485/RS
DS75176B/DS75176BT Multipoint RS-485/RS

... concerning its products, and any use of TI components in its applications, notwithstanding any applications-related information or support that may be provided by TI. Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous con ...
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UC2525B 数据资料 dataSheet 下载

... The UC1525B/1527B series of pulse width modulator integrated circuits are designed to offer improved performance and lowered external parts count when used in designing all types of switching power supplies. The on-chip +5.1V buried zener reference is trimmed to ±0.75% and the input common-mode rang ...
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... distribution network. ANSI C84.1 does not closely regulate the high voltage transmission lines due to considerable distances involved, but normally there can be a +5% to -10% voltage variation from nominal voltage. There are additional voltage drops in the medium and low voltage distribution network ...
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... series. To fulfill the demands in maritime applications, the product is designed according to major industrial and maritime (Lloyd’s Register) safety standards. Other features include compliance with harmonic current IEC/EN 61000-3-2, class A. In addition to having Power Boost of 150% for 5 seconds, ...
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... An excess in the absolute maximum rations, such as supply voltage, temperature range of operating conditions, etc., can break down the devices, thus making impossible to identify breaking mode, such as a short circuit or an open circuit. If any over rated values will expect to exceed the absolute ma ...
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... The MAX15040 high-efficiency, voltage-mode switching regulator is capable of delivering up to 4A of output current. The MAX15040 provides output voltages from 0.6V to (0.9 x VIN) from 2.4V to 3.6V input supplies, making it ideal for on-board point-of-load applications. The output-voltage accuracy is ...
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... 4、The characteristic of 750kV The MCR nonlinear impedance limit the temperature-rise test. If we can guarantee MCR impedance range is limited, the inductive reactive power should be always higher than the capacitive reactive power, which can make the temperature-rise test carried out smoothly. Ther ...
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Current source



A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.A current source is the dual of a voltage source. The term constant-current 'sink' is sometimes used for sources fed from a negative voltage supply. Figure 1 shows the schematic symbol for an ideal current source, driving a resistor load. There are two types - an independent current source (or sink) delivers a constant current. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit.
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