TPS61040-Q1 数据资料 dataSheet 下载
... The TPS61040/41 operates with an input voltage range of 1.8 V to 6 V and can generate output voltages up to 28 V. The device operates in a pulse frequency modulation (PFM) scheme with constant peak current control. This control scheme maintains high efficiency over the entire load current range, and ...
... The TPS61040/41 operates with an input voltage range of 1.8 V to 6 V and can generate output voltages up to 28 V. The device operates in a pulse frequency modulation (PFM) scheme with constant peak current control. This control scheme maintains high efficiency over the entire load current range, and ...
AC Signals
... ”peak”? Answer 12 AC voltages still add in series, but phase must also be accounted for when doing so. Unfortunately, multimeters provide no indication of phase whatsoever, and thus do not provide us with all the information we need. (Note: just by looking at this circuit’s components, though, you s ...
... ”peak”? Answer 12 AC voltages still add in series, but phase must also be accounted for when doing so. Unfortunately, multimeters provide no indication of phase whatsoever, and thus do not provide us with all the information we need. (Note: just by looking at this circuit’s components, though, you s ...
Elec467 Electric Machines and Transformers
... in the primary of a transformer using data from Example 2.3: Given a 25-kVA, 2400—240 V, 60 Hz, draws 138 W at no-load condition with a .210 lagging power factor (current into a coil lags the voltage). 1st get the phase angle Ѳ…cos-1(.210) = 77.88° 2nd insert the power factor angle of 77.88° into th ...
... in the primary of a transformer using data from Example 2.3: Given a 25-kVA, 2400—240 V, 60 Hz, draws 138 W at no-load condition with a .210 lagging power factor (current into a coil lags the voltage). 1st get the phase angle Ѳ…cos-1(.210) = 77.88° 2nd insert the power factor angle of 77.88° into th ...
Ami Pro - EUMC-DEF.SAM
... These gains have been calculated, taking into account connecting lines and losses in inactive transistors, and plotted at Fig. 2. Due to this requirement, ATF-35376 P-HEMT devices produced by Hewlett-Packard have been chosen. The other advantage is that these transistors work at low feeding voltages ...
... These gains have been calculated, taking into account connecting lines and losses in inactive transistors, and plotted at Fig. 2. Due to this requirement, ATF-35376 P-HEMT devices produced by Hewlett-Packard have been chosen. The other advantage is that these transistors work at low feeding voltages ...
Technical specification and quotation on 4x500kw gas engine
... A professional enterprise that manufactures and develops technology of gas generator. Shengdong has over 30 year's experience of providing generator sets for prime and standby power. Leading products are gas generator set and their supplementary equipments. These products have characteristics of ene ...
... A professional enterprise that manufactures and develops technology of gas generator. Shengdong has over 30 year's experience of providing generator sets for prime and standby power. Leading products are gas generator set and their supplementary equipments. These products have characteristics of ene ...
AP6503 Description Pin Assignments
... The AP6503 is a 3A current mode control, synchronous buck regulator with built in power MOSFETs. Current mode control assures excellent line and load regulation and a wide loop bandwidth for fast response to load transients. Figure 3 depicts the functional block diagram of AP6503. The operation of o ...
... The AP6503 is a 3A current mode control, synchronous buck regulator with built in power MOSFETs. Current mode control assures excellent line and load regulation and a wide loop bandwidth for fast response to load transients. Figure 3 depicts the functional block diagram of AP6503. The operation of o ...
UT54ACTS220 - Aeroflex Microelectronic Solutions
... 1. Functional tests are conducted in accordance with MIL-STD-883 with the following input test conditions: VIH = VIH(min) + 20%, - 0%; VIL = VIL(max) + 0%, 50%, as specified herein, for TTL, CMOS, or Schmitt compatible inputs. Devices may be tested using any input voltage within the above specified ...
... 1. Functional tests are conducted in accordance with MIL-STD-883 with the following input test conditions: VIH = VIH(min) + 20%, - 0%; VIL = VIL(max) + 0%, 50%, as specified herein, for TTL, CMOS, or Schmitt compatible inputs. Devices may be tested using any input voltage within the above specified ...
Page 1 of 5 SUPPLYING POWER ON THE 1-WIRE NET 1
... levels of 3.5 and 5 volts can be tapped. This is equivalent to operating the load in shunt mode and can be used to operate clamp type loads such as LEDs. This requires that the total voltage drop across the LED(s) be at least 3.5V. While it is possible to connect the shunt load permanently across th ...
... levels of 3.5 and 5 volts can be tapped. This is equivalent to operating the load in shunt mode and can be used to operate clamp type loads such as LEDs. This requires that the total voltage drop across the LED(s) be at least 3.5V. While it is possible to connect the shunt load permanently across th ...
FULLY PROTECTED LOW SIDE SWITCH
... PCL = VCL ⋅ ICLavg : Power dissipation during active clamp VCL = 65V : Typical VCLAMP value. ICLavg = ...
... PCL = VCL ⋅ ICLavg : Power dissipation during active clamp VCL = 65V : Typical VCLAMP value. ICLavg = ...
T_ ..... nll - Console5.com
... inputs is shown in Figure 25. The compensation capacitor value must be increased with increases in R14 to maintain proper phase margin; for R14 values of 1.0, 2.5 and 5.0 kilohms, minimum capacitor values are 15, 37, and 75 pF. The capacitor should be tied to VEE as this increases negative supply re ...
... inputs is shown in Figure 25. The compensation capacitor value must be increased with increases in R14 to maintain proper phase margin; for R14 values of 1.0, 2.5 and 5.0 kilohms, minimum capacitor values are 15, 37, and 75 pF. The capacitor should be tied to VEE as this increases negative supply re ...
Analog Dialogue Volume 48 Number 3
... Developed by Philips in the early 1980s for ICs on a single board, I2C usage is still increasing. The power management bus (PMBus), a relatively slow, 2-wire communications protocol based on I²C, is targeted at digital management of power supplies. The PMBus protocol defines an open-standard, digita ...
... Developed by Philips in the early 1980s for ICs on a single board, I2C usage is still increasing. The power management bus (PMBus), a relatively slow, 2-wire communications protocol based on I²C, is targeted at digital management of power supplies. The PMBus protocol defines an open-standard, digita ...
Experiment 2: Kirchhoff`s Law and Superposition Theorem
... The electric circuit of Kirchhoff’s Law and the Superposition theorem are the same as shown in the Fig. 1. 1. Verify the Kirchhoff’s Law • Set the reference direction of three branch current I1 , I2 and I3 (Through the ammeter socket to set the reference direction of the current, as shown in the Fig. ...
... The electric circuit of Kirchhoff’s Law and the Superposition theorem are the same as shown in the Fig. 1. 1. Verify the Kirchhoff’s Law • Set the reference direction of three branch current I1 , I2 and I3 (Through the ammeter socket to set the reference direction of the current, as shown in the Fig. ...
ACDC2017_0008_final - The University of Manchester
... Examining the results in Fig. 4, it is seen that the damping of the mode 4 (inter-area mode) is reduced for all control combinations (the only exception is CI-3 under summer peak) within MI-HVDC system, and the system experienced the lowest inter-area mode damping under CI-4. From the results in the ...
... Examining the results in Fig. 4, it is seen that the damping of the mode 4 (inter-area mode) is reduced for all control combinations (the only exception is CI-3 under summer peak) within MI-HVDC system, and the system experienced the lowest inter-area mode damping under CI-4. From the results in the ...
2x5, LC Duplex Connector, 3.3 V 155 Mbps ATM/ Fast Ethernet
... (3) Multi layer plane PCB is best for distribution of VCC, returning ground currents, forming transmission lines and shielding, Also, it is important to suppress noise from influencing the fiber-optic transceiver performance, especially the receiver circuit. (4) A separate proper power supply filter ...
... (3) Multi layer plane PCB is best for distribution of VCC, returning ground currents, forming transmission lines and shielding, Also, it is important to suppress noise from influencing the fiber-optic transceiver performance, especially the receiver circuit. (4) A separate proper power supply filter ...
A Compact Switched-Capacitor Regulated Charge Pump
... driving it with a diode connected device. When M11 is saturated (the worst case for in-rush current) the pair M9 and M11 act as a simple current mirror, and the current is limited to about A mA. At low battery (1.8 V), the gate drive of M11 is not limited because the drop across M9 would normally be ...
... driving it with a diode connected device. When M11 is saturated (the worst case for in-rush current) the pair M9 and M11 act as a simple current mirror, and the current is limited to about A mA. At low battery (1.8 V), the gate drive of M11 is not limited because the drop across M9 would normally be ...
FDS4935BZ Dual 30 Volt P-Channel PowerTrench MOSFET General Description
... This P-Channel MOSFET has been designed specifically to improve the overall efficiency of DC/DC converters using either synchronous or conventional switching PWM controllers, and battery chargers. ...
... This P-Channel MOSFET has been designed specifically to improve the overall efficiency of DC/DC converters using either synchronous or conventional switching PWM controllers, and battery chargers. ...
MAX2039EVKIT.pdf
... The MAX2039 mixer has an IF frequency range of DC to 350MHz. Note that these differential ports are ideal for providing enhanced IIP2 performance. Singleended IF applications require a 1:1 balun to transform the 50Ω differential output impedance to a 50Ω singleended output. After the balun, the IF r ...
... The MAX2039 mixer has an IF frequency range of DC to 350MHz. Note that these differential ports are ideal for providing enhanced IIP2 performance. Singleended IF applications require a 1:1 balun to transform the 50Ω differential output impedance to a 50Ω singleended output. After the balun, the IF r ...
Micrologic control units
... The Micrologic P control unit calculates in real time all the electrical values (V, A, W, VAR, VA, Wh, VARh, VAh, Hz), power factors and cosϕ factors. The Micrologic P control unit also calculates demand current and demand power over an adjustable time period. Each measurement is associated with a m ...
... The Micrologic P control unit calculates in real time all the electrical values (V, A, W, VAR, VA, Wh, VARh, VAh, Hz), power factors and cosϕ factors. The Micrologic P control unit also calculates demand current and demand power over an adjustable time period. Each measurement is associated with a m ...
APPLICATION NOTE - TDA8768A/C2 - 12-BIT HIGH-SPEED A/D CONVERTER DEMONSTRATION BOARD
... The TDA8768A is a 12-bit high-speed Analog-to-Digital Converter designed for video data digitizing, high definition TV, imaging, medical imaging and other applications. It converts the analog input signal into 12 bits binary or into two’s complement digital words at a maximum sampling rate of 70Msps ...
... The TDA8768A is a 12-bit high-speed Analog-to-Digital Converter designed for video data digitizing, high definition TV, imaging, medical imaging and other applications. It converts the analog input signal into 12 bits binary or into two’s complement digital words at a maximum sampling rate of 70Msps ...
A75 Text (wordpad)
... because they looked nice) and found that even when the speaker had switched in the yellow LED was on dim. If you look at the circuit the reason why is obvious. The base of T3 which drives the LED is pulled down by T4 when the speaker is switched in. T4 is a darlington so the base of T3 only ever ge ...
... because they looked nice) and found that even when the speaker had switched in the yellow LED was on dim. If you look at the circuit the reason why is obvious. The base of T3 which drives the LED is pulled down by T4 when the speaker is switched in. T4 is a darlington so the base of T3 only ever ge ...
Pulse-width modulation
Pulse-width modulation (PWM), or pulse-duration modulation (PDM), is a modulation technique used to encode a message into a pulsing signal. Although this modulation technique can be used to encode information for transmission, its main use is to allow the control of the power supplied to electrical devices, especially to inertial loads such as motors. In addition, PWM is one of the two principal algorithms used in photovoltaic solar battery chargers, the other being MPPT.The average value of voltage (and current) fed to the load is controlled by turning the switch between supply and load on and off at a fast rate. The longer the switch is on compared to the off periods, the higher the total power supplied to the load.The PWM switching frequency has to be much higher than what would affect the load (the device that uses the power), which is to say that the resultant waveform perceived by the load must be as smooth as possible. Typically switching has to be done several times a minute in an electric stove, 120 Hz in a lamp dimmer, from few kilohertz (kHz) to tens of kHz for a motor drive and well into the tens or hundreds of kHz in audio amplifiers and computer power supplies.The term duty cycle describes the proportion of 'on' time to the regular interval or 'period' of time; a low duty cycle corresponds to low power, because the power is off for most of the time. Duty cycle is expressed in percent, 100% being fully on.The main advantage of PWM is that power loss in the switching devices is very low. When a switch is off there is practically no current, and when it is on and power is being transferred to the load, there is almost no voltage drop across the switch. Power loss, being the product of voltage and current, is thus in both cases close to zero. PWM also works well with digital controls, which, because of their on/off nature, can easily set the needed duty cycle.PWM has also been used in certain communication systems where its duty cycle has been used to convey information over a communications channel.