
LFC789D25 - Texas Instruments
... The LFC789D25 is a dual linear FET controller that simplifies the design of dual power supplies. The device consists of two independent controllers, each of which drives an external MOSFET to implement a low-dropout regulator. One controller is programmed to regulate a fixed 2.5-V output, while the ...
... The LFC789D25 is a dual linear FET controller that simplifies the design of dual power supplies. The device consists of two independent controllers, each of which drives an external MOSFET to implement a low-dropout regulator. One controller is programmed to regulate a fixed 2.5-V output, while the ...
LM2575 数据资料 dataSheet 下载
... With any switching regulator, circuit layout plays an important role in circuit performance. Wiring and parasitic inductances, as well as stray capacitances, are subjected to rapidly switching currents, which can result in unwanted voltage transients. To minimize inductance and ground loops, the len ...
... With any switching regulator, circuit layout plays an important role in circuit performance. Wiring and parasitic inductances, as well as stray capacitances, are subjected to rapidly switching currents, which can result in unwanted voltage transients. To minimize inductance and ground loops, the len ...
AND8252/D High Efficiency Eight Output, 60 W Set Top Box Power
... and U9). The switching frequency is fixed at 350 kHz allowing for small output inductors and capacitors along with good transient response. ON Semiconductor NTD60N02 low voltage MOSFETS are used as the synchronous rectifier switches in both of the buck converters. The NCP1582 also monitors the on−st ...
... and U9). The switching frequency is fixed at 350 kHz allowing for small output inductors and capacitors along with good transient response. ON Semiconductor NTD60N02 low voltage MOSFETS are used as the synchronous rectifier switches in both of the buck converters. The NCP1582 also monitors the on−st ...
3.reactance_and_impedance
... Explain why a capacitor causes a phase shift between current and voltage (ICE). Define capacitive reactance. Explain the relationship between capacitive reactance and frequency. Explain why an inductor causes a phase shift between the voltage and current (ELI). Define inductive reactance. Ex ...
... Explain why a capacitor causes a phase shift between current and voltage (ICE). Define capacitive reactance. Explain the relationship between capacitive reactance and frequency. Explain why an inductor causes a phase shift between the voltage and current (ELI). Define inductive reactance. Ex ...
ADP667 数据手册DataSheet 下载
... The ADP667 features an extremely low dropout voltage making it suitable for low voltage systems where headroom is limited. A dropout detector is also provided. The dropout detector output, DD, changes as the dropout voltage approaches its limit. This is useful for warning that regulation can no long ...
... The ADP667 features an extremely low dropout voltage making it suitable for low voltage systems where headroom is limited. A dropout detector is also provided. The dropout detector output, DD, changes as the dropout voltage approaches its limit. This is useful for warning that regulation can no long ...
Standing Waves - Oregon State EECS
... 1. A lossless, 50 meter, 50Ω transmission line with vp = 30cm/ns is terminated in four different loads listed below. The line is driven with an incident wave with a 10V amplitude at f0 = 7.5MHz. Using pencil and paper, plot the voltage and current standing-wave patterns on the line and specify the v ...
... 1. A lossless, 50 meter, 50Ω transmission line with vp = 30cm/ns is terminated in four different loads listed below. The line is driven with an incident wave with a 10V amplitude at f0 = 7.5MHz. Using pencil and paper, plot the voltage and current standing-wave patterns on the line and specify the v ...
Resistance – Ohm`s Law
... as the current passes through the starter. What is the current in the system? Household current is a consistent 120 volts. What will happen to the resistance and current as a light ...
... as the current passes through the starter. What is the current in the system? Household current is a consistent 120 volts. What will happen to the resistance and current as a light ...
4 Series Circuit Characteristics
... voltage source) is the same. If fixed resistors (not variable resistors) are used, then the voltage drops will be fixed and will be directly proportional to the ratio of the resistor sizes. If a reference point is established (usually called “common” or “ground) it is then possible to measure the vo ...
... voltage source) is the same. If fixed resistors (not variable resistors) are used, then the voltage drops will be fixed and will be directly proportional to the ratio of the resistor sizes. If a reference point is established (usually called “common” or “ground) it is then possible to measure the vo ...
Electric Current
... Current comes to your house as a sine wave that alternates between positive and negative current. The is called alternating current (AC). This oscillating current has to be converted to direct current (DC = one direction current like a battery). Wonder how we get direct current? ...
... Current comes to your house as a sine wave that alternates between positive and negative current. The is called alternating current (AC). This oscillating current has to be converted to direct current (DC = one direction current like a battery). Wonder how we get direct current? ...
Supplemental Information (README file) The "Switchers Made
... applications. It introduces a zero in the regulator's control loop. To maintain good phase margin, the ESR has to be smaller than a limit value in boost and flyback converters and has to be between a high and a low limit in buck and buck-boost regulators. The program outputs these limits in the "Li ...
... applications. It introduces a zero in the regulator's control loop. To maintain good phase margin, the ESR has to be smaller than a limit value in boost and flyback converters and has to be between a high and a low limit in buck and buck-boost regulators. The program outputs these limits in the "Li ...
Ohm`s Law
... component and the SI unit of resistance, ohm, is defined as one volt per ampere (1Ω=1V/A). It is important to understand that the real content of Ohm's Law is the direct linear proportionality of V to I. One has to note that equation [1] defines resistance R for any conductor, whether it obeys Ohm's ...
... component and the SI unit of resistance, ohm, is defined as one volt per ampere (1Ω=1V/A). It is important to understand that the real content of Ohm's Law is the direct linear proportionality of V to I. One has to note that equation [1] defines resistance R for any conductor, whether it obeys Ohm's ...
Three-Terminal Linear Regulator
... the 1.25-V reference voltage, making it unsuitable for powering low-voltage integrated circuits that were emerging in the market based on low-geometry complementary metal–oxide–semiconductor processes. A new architecture was needed to end the low-voltage limitation of three-terminal linear regulator ...
... the 1.25-V reference voltage, making it unsuitable for powering low-voltage integrated circuits that were emerging in the market based on low-geometry complementary metal–oxide–semiconductor processes. A new architecture was needed to end the low-voltage limitation of three-terminal linear regulator ...
UCC2583 数据资料 dataSheet 下载
... with the current error amplifier, accurate current limiting is achieved. This loop is in effect only during the overcurrent mode and provides a more accurate and noise free control of the maximum output current compared to conventional peak current limiting circuits. The current limit is set by prog ...
... with the current error amplifier, accurate current limiting is achieved. This loop is in effect only during the overcurrent mode and provides a more accurate and noise free control of the maximum output current compared to conventional peak current limiting circuits. The current limit is set by prog ...
E5EK-DRT Datasheet
... 1. The indication accuracy of the K, T, and N thermocouples at a temperature of -100°C or less is ±2°C ±1 digit maximum. The indication accuracy of the B thermocouple at a temperature of 400°C or less is unrestricted. The indication accuracy of the R and S thermocouples at a temperature of 200°C or ...
... 1. The indication accuracy of the K, T, and N thermocouples at a temperature of -100°C or less is ±2°C ±1 digit maximum. The indication accuracy of the B thermocouple at a temperature of 400°C or less is unrestricted. The indication accuracy of the R and S thermocouples at a temperature of 200°C or ...
A Low-voltage Wide-band Current-mode Automatic Gain Control (AGC) Kriangkrai Sooksood and Montree Siripruchyanun
... HSPICE simulation program through BSIM3v3 model of 0.5 µm CMOS technology obtained from MOSIS. It was operated by ±1.5 V supply voltages and the bias currents are following: I1 = 3 µA, I 2 = I 3 = 5 µA, I 4 = I 5 = 20 µA, I 6 = I 7 = 40 µA and I8 = 100 µA. The aspect ratios of all transistors are li ...
... HSPICE simulation program through BSIM3v3 model of 0.5 µm CMOS technology obtained from MOSIS. It was operated by ±1.5 V supply voltages and the bias currents are following: I1 = 3 µA, I 2 = I 3 = 5 µA, I 4 = I 5 = 20 µA, I 6 = I 7 = 40 µA and I8 = 100 µA. The aspect ratios of all transistors are li ...