香港考試局
... In the potentiometer circuit shown, S is a source whose e.m.f. is to be measured. R is a resistor to protect the galvanometer G. In the experiment, a student finds that G deflects in the same direction for any position of C, giving maximum deflection at B and minimum deflection (not zero) at A. Whic ...
... In the potentiometer circuit shown, S is a source whose e.m.f. is to be measured. R is a resistor to protect the galvanometer G. In the experiment, a student finds that G deflects in the same direction for any position of C, giving maximum deflection at B and minimum deflection (not zero) at A. Whic ...
BA6956AN,BA6287F,BA6285FS,BA6285AFP-Y,BA6920FP
... sufficient margin incorporated with the power dissipation (Pd) under the actual application condition taken into account. a) BA6287F, BA6285FS, BA6285AFP-Y ...
... sufficient margin incorporated with the power dissipation (Pd) under the actual application condition taken into account. a) BA6287F, BA6285FS, BA6285AFP-Y ...
SDM0230CSP Product Summary Features and Benefits
... Off board profile of 0.3mm – more than 30% thinner than the ...
... Off board profile of 0.3mm – more than 30% thinner than the ...
MAX5091 28V, 100mA, Low-Quiescent-Current LDO with Reset and Power-Fail Input/Output General Description
... 5.5V, respectively. The MAX5091 is designed to operate with very low quiescent current during always-on operation when not in dropout. The regulator is stable with a wide variety of capacitors including low-ESR ceramic 10µF (0603 case size). The load-transient response curves depict the stability of ...
... 5.5V, respectively. The MAX5091 is designed to operate with very low quiescent current during always-on operation when not in dropout. The regulator is stable with a wide variety of capacitors including low-ESR ceramic 10µF (0603 case size). The load-transient response curves depict the stability of ...
15.4 Emitter-Coupled Logic (ECL)
... 2. The current drawn from the power supply remains constant during switching. Thus, unlike CMOS (and TTL), no supply current spikes occur in ECL, eliminating an important source of noise in digital circuits. This is a definite advantage, especially since ECL is usually designed to operate with small ...
... 2. The current drawn from the power supply remains constant during switching. Thus, unlike CMOS (and TTL), no supply current spikes occur in ECL, eliminating an important source of noise in digital circuits. This is a definite advantage, especially since ECL is usually designed to operate with small ...
MAX1739/MAX1839 Wide Brightness Range CCFL Backlight Controllers General Description
... minimal voltage stress on the transformer, which increases the operating life of the transformer and eases its design requirements. These controllers also provide protection against many other fault conditions, including lamp-out and buck short faults. These controllers achieve 50:1 dimming range by ...
... minimal voltage stress on the transformer, which increases the operating life of the transformer and eases its design requirements. These controllers also provide protection against many other fault conditions, including lamp-out and buck short faults. These controllers achieve 50:1 dimming range by ...
RITTER paper.p65
... The resistor elements in the cofired RC are also a combination of glass and metal oxides, principally RuO2, used to achieve resistance values common for AC termination applications with a measured temperature coefficient of resistance of ±250 ppm/°C. An important feature of this cofired RC architect ...
... The resistor elements in the cofired RC are also a combination of glass and metal oxides, principally RuO2, used to achieve resistance values common for AC termination applications with a measured temperature coefficient of resistance of ±250 ppm/°C. An important feature of this cofired RC architect ...
BD9610AMUV
... Synchronization occurs on the series three rising edges of the SYNC signal. The clock frequency at the SYNC pin replaces the master clock generated by the oscillator circuit. Pulling the SYNC pin low programs the BD961A0MUV to freely run at the frequency programmed by RRT. ◆Input wave conditions int ...
... Synchronization occurs on the series three rising edges of the SYNC signal. The clock frequency at the SYNC pin replaces the master clock generated by the oscillator circuit. Pulling the SYNC pin low programs the BD961A0MUV to freely run at the frequency programmed by RRT. ◆Input wave conditions int ...
Current, Resistance and Circuits
... electrons) in an isolated length of copper wire are in random motion at speeds of the order of 106 m/s. If you pass a hypothetical plane through such a wire, conduction electrons pass through it in both directions at the rate of many billions per second—but there is no net transport of charge and th ...
... electrons) in an isolated length of copper wire are in random motion at speeds of the order of 106 m/s. If you pass a hypothetical plane through such a wire, conduction electrons pass through it in both directions at the rate of many billions per second—but there is no net transport of charge and th ...
TPS60120 数据资料 dataSheet 下载
... In pulse-skip mode the error amplifier disables switching of the power stages when it detects an output higher than the nominal output voltage. The oscillator halts and the IC then skips switching cycles until the output voltage drops below the nominal output voltage. Then the error amplifier reacti ...
... In pulse-skip mode the error amplifier disables switching of the power stages when it detects an output higher than the nominal output voltage. The oscillator halts and the IC then skips switching cycles until the output voltage drops below the nominal output voltage. Then the error amplifier reacti ...
PDF
... The switching algorithms of switches and commutation of them allow the addition of the capacitor voltages as temporary dc voltage sources, whereas the semiconductors should withstand limited voltages of capacitors. The large number of semiconductors in the multilevel inverters has a negative impact ...
... The switching algorithms of switches and commutation of them allow the addition of the capacitor voltages as temporary dc voltage sources, whereas the semiconductors should withstand limited voltages of capacitors. The large number of semiconductors in the multilevel inverters has a negative impact ...
AD7390 数据手册DataSheet 下载
... The AD7390 and AD7391 are a set of pin compatible, 12-bit/ 10-bit digital-to-analog converters. These single-supply operation devices consume less than 100 microamps of current while operating from power supplies in the 2.7 V to 5.5 V range making them ideal for battery operated applications. They c ...
... The AD7390 and AD7391 are a set of pin compatible, 12-bit/ 10-bit digital-to-analog converters. These single-supply operation devices consume less than 100 microamps of current while operating from power supplies in the 2.7 V to 5.5 V range making them ideal for battery operated applications. They c ...
Power MOSFET
A power MOSFET is a specific type of metal oxide semiconductor field-effect transistor (MOSFET) designed to handle significant power levels.Compared to the other power semiconductor devices, for example an insulated-gate bipolar transistor (IGBT) or a thyristor, its main advantages are high commutation speed and good efficiency at low voltages. It shares with the IGBT an isolated gate that makes it easy to drive. They can be subject to low gain, sometimes to degree that the gate voltage needs to be higher than the voltage under control.The design of power MOSFETs was made possible by the evolution of CMOS technology, developed for manufacturing integrated circuits in the late 1970s. The power MOSFET shares its operating principle with its low-power counterpart, the lateral MOSFET.The power MOSFET is the most widely used low-voltage (that is, less than 200 V) switch. It can be found in most power supplies, DC to DC converters, and low voltage motor controllers.