MAX8790 Six-String White LED Driver with Active General Description
... The MAX8790 has multiple features to protect the controller from fault conditions. Separate feedback loops limit the output voltage if one or more LEDs fail open or short. The controller features cycle-by-cycle current limit to provide consistent operation and soft-start capability. A thermal-shutdo ...
... The MAX8790 has multiple features to protect the controller from fault conditions. Separate feedback loops limit the output voltage if one or more LEDs fail open or short. The controller features cycle-by-cycle current limit to provide consistent operation and soft-start capability. A thermal-shutdo ...
Fundamental Electricity Student Study Notes - Linn
... The circuit will be de-energized if there is a series open, for example a light switch that turns off all the lights. If the switch you are testing with your voltmeter and switch is closed you should read nearly .000 volts. This means that no voltage is being used “dropped” across the contacts. You ...
... The circuit will be de-energized if there is a series open, for example a light switch that turns off all the lights. If the switch you are testing with your voltmeter and switch is closed you should read nearly .000 volts. This means that no voltage is being used “dropped” across the contacts. You ...
BDTIC www.BDTIC.com/infineon T D A 4 8 6 3 -
... A second winding (detector winding) on the choke provides an image of the drain voltage in the ratio Ndet /Nboost = VZCD /(Vout - Vinnom). The ratio is set so that VZCD is about 22 V to 24 V followed by a supply circuitry and detector resistor according to a) of Figure 2. For a 400 V output voltage ...
... A second winding (detector winding) on the choke provides an image of the drain voltage in the ratio Ndet /Nboost = VZCD /(Vout - Vinnom). The ratio is set so that VZCD is about 22 V to 24 V followed by a supply circuitry and detector resistor according to a) of Figure 2. For a 400 V output voltage ...
Problem Set #7 solution
... (a) Assume the impressed voltage is zero, the initial charge on the capacitor is 10−5 coulomb, and the initial current is zero. Find Q(t), the charge on the capacitor, as a function of time. (b) Now assume an impressed voltage (varying with time) given by E(t) = 20 cos ωt. For what value of ω will ...
... (a) Assume the impressed voltage is zero, the initial charge on the capacitor is 10−5 coulomb, and the initial current is zero. Find Q(t), the charge on the capacitor, as a function of time. (b) Now assume an impressed voltage (varying with time) given by E(t) = 20 cos ωt. For what value of ω will ...
PS9305L,PS9305L2 Data Sheet Preliminary
... (2) When designing the printed wiring board, ensure that the pattern of the IGBT collectors/emitters is not too close to the input block pattern of the photocoupler. If the pattern is too close to the input block and coupling occurs, a sudden fluctuation in the voltage on the IGBT output side might ...
... (2) When designing the printed wiring board, ensure that the pattern of the IGBT collectors/emitters is not too close to the input block pattern of the photocoupler. If the pattern is too close to the input block and coupling occurs, a sudden fluctuation in the voltage on the IGBT output side might ...
An Energy-Efficient Subthreshold Level Converter in 130
... drawn at transition. The diode drop across M5 has an equivalent to further increasing VT p . The output range of this stage is forced to [0V, (VDD − VTN high )]. Fig. 6(c) demonstrates how the diode helps decrease the “on” PMOS below the optimized NMOS of Fig. 6(d). The large difference between Fig. ...
... drawn at transition. The diode drop across M5 has an equivalent to further increasing VT p . The output range of this stage is forced to [0V, (VDD − VTN high )]. Fig. 6(c) demonstrates how the diode helps decrease the “on” PMOS below the optimized NMOS of Fig. 6(d). The large difference between Fig. ...
PDF
... proposed load models are capable of representing the interaction between network conditions and load. Reference [15] presents the use of chaotic dynamics to describe the operation of nonlinear loads. The proposed approach is applied to electric arc furnace. A tuning mode is described to develop the ...
... proposed load models are capable of representing the interaction between network conditions and load. Reference [15] presents the use of chaotic dynamics to describe the operation of nonlinear loads. The proposed approach is applied to electric arc furnace. A tuning mode is described to develop the ...
AAT2550 数据资料DataSheet下载
... external resistor from 100mA to 1A. In addition to these standard features, the device offers over-voltage, overcurrent, and thermal protection. The two step-down converters are highly integrated, operating at a switching frequency of 1.4MHz, minimizing the size of external components while keeping ...
... external resistor from 100mA to 1A. In addition to these standard features, the device offers over-voltage, overcurrent, and thermal protection. The two step-down converters are highly integrated, operating at a switching frequency of 1.4MHz, minimizing the size of external components while keeping ...
Presentation - International Spacewire Conference 2008
... BUT … Limiting is not perfect and the clamping level depends, critically, on the available fault current At significant currents (100’s mA) the actual clamp voltage can be twice the turn-on voltage ...
... BUT … Limiting is not perfect and the clamping level depends, critically, on the available fault current At significant currents (100’s mA) the actual clamp voltage can be twice the turn-on voltage ...
`Alarm Systems` teachers notes - the Sheffield Hallam University
... Extension activity, Coding the reset of the alarm is a very attractive extension to coding the alarm the basic alarm circuit. This can be used to challenge more able pupils at KS3 or incorporated within the design brief for older pupils. The concept is very simple and a coded alarm does not require ...
... Extension activity, Coding the reset of the alarm is a very attractive extension to coding the alarm the basic alarm circuit. This can be used to challenge more able pupils at KS3 or incorporated within the design brief for older pupils. The concept is very simple and a coded alarm does not require ...
CD series CMOS IC Time Delay Relay
... Timing Adjustment: Fixed, external resistor and knob adjustable. Tolerance (for AC units add ±1/2 cycle 60 Hz.): Knob Adj. Types: ± 5% of max. specified at high end of timing range; min. specified, or less, at low end; ± 10% full scale. ...
... Timing Adjustment: Fixed, external resistor and knob adjustable. Tolerance (for AC units add ±1/2 cycle 60 Hz.): Knob Adj. Types: ± 5% of max. specified at high end of timing range; min. specified, or less, at low end; ± 10% full scale. ...
UCC28063A - Texas Instruments
... The junction-to-ambient thermal resistance under natural convection is obtained in a simulation on a JEDEC-standard, high-K board, as specified in JESD51-7, in an environment described in JESD51-2a. The junction-to-case (top) thermal resistance is obtained by simulating a cold plate test on the pack ...
... The junction-to-ambient thermal resistance under natural convection is obtained in a simulation on a JEDEC-standard, high-K board, as specified in JESD51-7, in an environment described in JESD51-2a. The junction-to-case (top) thermal resistance is obtained by simulating a cold plate test on the pack ...
DES 70/10 Operating Instructions
... Set potentiometer P3 Imax at the required limiting value. Important: The limiting value Icont (= 1/3 Imax) should be below the nominal current (max. continuous current) as shown on the motor data sheet. Increase potentiometer P4 gain slowly until amplification is set sufficiently high. Important: If ...
... Set potentiometer P3 Imax at the required limiting value. Important: The limiting value Icont (= 1/3 Imax) should be below the nominal current (max. continuous current) as shown on the motor data sheet. Increase potentiometer P4 gain slowly until amplification is set sufficiently high. Important: If ...
LM2747 - Texas Instruments
... It is recommended to choose an AC coupling capacitance in the range of 50 pF to 100 pF. Exceeding the recommended capacitance may inject excessive energy through the internal clamping diode structure present on the FREQ/SYNC pin. The typical trip level of the synchronization pin is 1.5V. To ensure p ...
... It is recommended to choose an AC coupling capacitance in the range of 50 pF to 100 pF. Exceeding the recommended capacitance may inject excessive energy through the internal clamping diode structure present on the FREQ/SYNC pin. The typical trip level of the synchronization pin is 1.5V. To ensure p ...
RA60H4452M1 数据资料DataSheet下载
... 1.The specifications of mention are not guarantee values in this data sheet. Please confirm additional details regarding operation of these products from the formal specification sheet. For copies of the formal specification sheets, please contact one of our sales offices. 2.RA series products (RF p ...
... 1.The specifications of mention are not guarantee values in this data sheet. Please confirm additional details regarding operation of these products from the formal specification sheet. For copies of the formal specification sheets, please contact one of our sales offices. 2.RA series products (RF p ...
INA301-Q1 36-V, Automotive, High-Speed, Zero
... Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absol ...
... Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absol ...
FAN6791 / FAN6793 Highly Integrated, Dual-PWM Combination Controller FA N
... with minimum line filters. The built-in synchronized slope compensation achieves stable peak-current-mode control. The proprietary internal line compensation ensures constant output power limit. FAN6791/3 provides many protection functions, including brownout protection, cycle-by-cycle current limit ...
... with minimum line filters. The built-in synchronized slope compensation achieves stable peak-current-mode control. The proprietary internal line compensation ensures constant output power limit. FAN6791/3 provides many protection functions, including brownout protection, cycle-by-cycle current limit ...
MAX3293/MAX3294/MAX3295 20Mbps, +3.3V, SOT23 RS-485/ RS-422 Transmitters General Description
... Transistors M2, a 2mA current sink, and M1, a 100µA current sink, pull DE to GND through a 5.6kΩ resistor. M2 is designed to pull DE to the disabled state against an external parasitic capacitance up to 100pF that may drive DE high. After 10µs, the timer deactivates M2 while M1 remains on, holding D ...
... Transistors M2, a 2mA current sink, and M1, a 100µA current sink, pull DE to GND through a 5.6kΩ resistor. M2 is designed to pull DE to the disabled state against an external parasitic capacitance up to 100pF that may drive DE high. After 10µs, the timer deactivates M2 while M1 remains on, holding D ...
LT1794 - Dual 500mA, 200MHz xDSL Line Driver Amplifier
... has been optimized to provide sufficient headroom when operating from ±12V power supplies in full-rate ADSL applications. The LT1794 also allows for an adjustment of the operating current to minimize power consumption. In addition, the LT1794 is available in small footprint surface mount packages to ...
... has been optimized to provide sufficient headroom when operating from ±12V power supplies in full-rate ADSL applications. The LT1794 also allows for an adjustment of the operating current to minimize power consumption. In addition, the LT1794 is available in small footprint surface mount packages to ...
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.