MP4030: Application Note for a TRIAC
... error amplifier compares this current level against a reference produced by a device such as a TL431, and the compensated output determines the primary-side duty cycle to regulate the LED current. Although this control method can directly control the LED current and current accuracy under any condit ...
... error amplifier compares this current level against a reference produced by a device such as a TL431, and the compensated output determines the primary-side duty cycle to regulate the LED current. Although this control method can directly control the LED current and current accuracy under any condit ...
R2A25107KFP Data Sheet Intelligent Power Device for MOSFET Pre-drive
... powering the charge pump circuit for high-side gate drive and the 5 V series regulator. The resulting 6.2-V output of the step down converter is also used for powering the low-side gate drive. The block diagram of the step down converter circuit is shown in figure 1. This circuit contains an error a ...
... powering the charge pump circuit for high-side gate drive and the 5 V series regulator. The resulting 6.2-V output of the step down converter is also used for powering the low-side gate drive. The block diagram of the step down converter circuit is shown in figure 1. This circuit contains an error a ...
EM8559A
... The EM8559A has an internal soft-start circuit that increases cycle-by-cycle current limit comparator inverting input voltage slowly after it starts. The typical soft-start time is 3.5mS. The pulse width to the power MOSFET is progressively increased to establish the correct working conditions for t ...
... The EM8559A has an internal soft-start circuit that increases cycle-by-cycle current limit comparator inverting input voltage slowly after it starts. The typical soft-start time is 3.5mS. The pulse width to the power MOSFET is progressively increased to establish the correct working conditions for t ...
Pantograph disconnector type GW54, up to 550 kV Maximum
... the highest records of operation reliability. The worldwide experience, often under severe climatic conditions, is applied for continual product improvement. Applications A mechanical device for providing isolation of power equipment from the network, a disconnector is suitable for switching very sm ...
... the highest records of operation reliability. The worldwide experience, often under severe climatic conditions, is applied for continual product improvement. Applications A mechanical device for providing isolation of power equipment from the network, a disconnector is suitable for switching very sm ...
59512 Hydro E-03-333 S4NVX
... should alternate on each successive cycle of operation. Turn both H-O-A switches to Off position and allow sump to fill to the override control level(s). Turn switches to Auto position, and pumps should start and operate together until level drops to turn-off point. Repeat this operation cycle sever ...
... should alternate on each successive cycle of operation. Turn both H-O-A switches to Off position and allow sump to fill to the override control level(s). Turn switches to Auto position, and pumps should start and operate together until level drops to turn-off point. Repeat this operation cycle sever ...
IMPORTANT SAFETY INSTRUCTION IF 1637 Solar Recombiner, Array Fuse, Disconnect Box
... utilisez uniquement des outils isolés et le bon équipement de protection individuelle. ...
... utilisez uniquement des outils isolés et le bon équipement de protection individuelle. ...
TR41.7-09-11-005-MR1-2564
... NOTE 1: Maximum limited duration voltage (Vmld) is typically greater than Maximum continuous operating voltage (Vmco). NOTE 2: Typically, the minimum specified fault duration is either 1.5 or 5 seconds. NOTE 3: Maximum limited duration voltage (Vmld) is selected from the Voltage Group associated wit ...
... NOTE 1: Maximum limited duration voltage (Vmld) is typically greater than Maximum continuous operating voltage (Vmco). NOTE 2: Typically, the minimum specified fault duration is either 1.5 or 5 seconds. NOTE 3: Maximum limited duration voltage (Vmld) is selected from the Voltage Group associated wit ...
three-level npc inverter used in ups
... The requirements in reliability and capacity are increasing in various industrial applications. Such as the medium voltage uninterruptible power system (UPS) which is widely used for high speed elevators, high-power electric drives and distributed generation systems as an interface between the utili ...
... The requirements in reliability and capacity are increasing in various industrial applications. Such as the medium voltage uninterruptible power system (UPS) which is widely used for high speed elevators, high-power electric drives and distributed generation systems as an interface between the utili ...
D=c System Short=circuit Current Calculations
... to one equivalent resistance as described above. -The superposition method normally requires more calculating than would be involved in obtaining one equivalent resistance and, therefore, the method outlined above is usually used. A possible exception is when a power rectifier is one of the sources ...
... to one equivalent resistance as described above. -The superposition method normally requires more calculating than would be involved in obtaining one equivalent resistance and, therefore, the method outlined above is usually used. A possible exception is when a power rectifier is one of the sources ...
MAX8811 High-Speed, Dual-Phase Driver with Integrated Boost Diodes General Description
... MOSFET Gate Drivers (DH_, DL_) DH_ is driven high when the PWM_ is high; DL_ is driven high when PWM_ is low. PWM pulsewidths under 20ns (typ) are rejected, and no switching occurs. The low-side drivers (DL_) have typical 0.9Ω sourcing resistance and 0.4Ω sinking resistance, and are capable of drivi ...
... MOSFET Gate Drivers (DH_, DL_) DH_ is driven high when the PWM_ is high; DL_ is driven high when PWM_ is low. PWM pulsewidths under 20ns (typ) are rejected, and no switching occurs. The low-side drivers (DL_) have typical 0.9Ω sourcing resistance and 0.4Ω sinking resistance, and are capable of drivi ...
Oil Rig Leg Brake, 1992-2001 Design
... a switch. DO NOT increase voltage to coil slowly as this would cause the solenoid pullin winding to overheat due to the extended pull-in time. A. AC coils On single voltage coils, connect coil to any two leads on three-phase motors of the same voltage as the brake. Refer to brake nameplate and coil ...
... a switch. DO NOT increase voltage to coil slowly as this would cause the solenoid pullin winding to overheat due to the extended pull-in time. A. AC coils On single voltage coils, connect coil to any two leads on three-phase motors of the same voltage as the brake. Refer to brake nameplate and coil ...
MAX8822 Ultra-Efficient Negative Charge-Pump LED General Description
... independent low-dropout (LDO) adaptive current regulators, very high efficiency is achieved over the full 1-cell Li+ battery voltage range, even with large LED VF mismatch. The 1MHz fixed-frequency switching allows for tiny external components. The regulation scheme is optimized to ensure low EMI an ...
... independent low-dropout (LDO) adaptive current regulators, very high efficiency is achieved over the full 1-cell Li+ battery voltage range, even with large LED VF mismatch. The 1MHz fixed-frequency switching allows for tiny external components. The regulation scheme is optimized to ensure low EMI an ...
Document
... current-handling capability of several hundred amperes. These devices have been extensively used for motor control applications. In addition, bipolar power transistors with 1500 volt blocking capability have been developed for TV deflection circuits. A basic limitation of the power bipolar transisto ...
... current-handling capability of several hundred amperes. These devices have been extensively used for motor control applications. In addition, bipolar power transistors with 1500 volt blocking capability have been developed for TV deflection circuits. A basic limitation of the power bipolar transisto ...
File
... limited use. However, it is important to understand that the magnetic field can flow in loop within a material. (See section on circular magnetism for more information). ...
... limited use. However, it is important to understand that the magnetic field can flow in loop within a material. (See section on circular magnetism for more information). ...
Si3402-C - Silicon Labs
... 3. The classification currents are guaranteed only when recommended RCLASS resistors are used, as specified in Table 7. 4. IPORT includes full operating current of switching regulator controller. 5. The PD interface includes dual-level input current limit. At turn-on, before the HSO load capacitor i ...
... 3. The classification currents are guaranteed only when recommended RCLASS resistors are used, as specified in Table 7. 4. IPORT includes full operating current of switching regulator controller. 5. The PD interface includes dual-level input current limit. At turn-on, before the HSO load capacitor i ...
coil in a magnetic field - CMA
... The effect of a magnetic field on a current-carrying conductor multiplies if this conductor runs in turns. As the field has an effect on each single turn the forces are summing up according to the turns. The both opposite sides of the rectangular conductor are flown through by opposite currents. Is ...
... The effect of a magnetic field on a current-carrying conductor multiplies if this conductor runs in turns. As the field has an effect on each single turn the forces are summing up according to the turns. The both opposite sides of the rectangular conductor are flown through by opposite currents. Is ...
Week 13-14-Transf-SAB2032
... When an AC voltage is applied to the primary winding Vp of the transformer, an AC current Ip will result Ip sets up a time-varying magnetic flux Ф in the core A voltage is induced to the secondary circuit Vs according to the Faraday’s law INSPIRING CREATIVE AND INNOVATIVE MINDS ...
... When an AC voltage is applied to the primary winding Vp of the transformer, an AC current Ip will result Ip sets up a time-varying magnetic flux Ф in the core A voltage is induced to the secondary circuit Vs according to the Faraday’s law INSPIRING CREATIVE AND INNOVATIVE MINDS ...
Modelica Implementation of Field oriented Controlled 3 phase
... Taken together Eqs. 1 through 4 summarize the electromechanical dynamics of the induction machine. This description, however is inconvenient for studying As a mature technology the induction machine en- dynamics and control for two reasons: joys use in many established applications and is frequently ...
... Taken together Eqs. 1 through 4 summarize the electromechanical dynamics of the induction machine. This description, however is inconvenient for studying As a mature technology the induction machine en- dynamics and control for two reasons: joys use in many established applications and is frequently ...
npn pnp - Portland State University
... precaution, it is normally convenient to put a capacitor in series with the oscillator to block the flow of DC current. (You could try C1 =1f but be aware of the frequency range of operation. Since the impedance of the capacitor is frequency dependent, make sure the capacitive reactance is small wi ...
... precaution, it is normally convenient to put a capacitor in series with the oscillator to block the flow of DC current. (You could try C1 =1f but be aware of the frequency range of operation. Since the impedance of the capacitor is frequency dependent, make sure the capacitive reactance is small wi ...
Cree XLamp LED Electrical Overstress Application Note
... as specified by testing it thoroughly under various input and loading conditions. It is also important to make it employs soft‑start In addition,are it is a good idea to validate ...
... as specified by testing it thoroughly under various input and loading conditions. It is also important to make it employs soft‑start In addition,are it is a good idea to validate ...
AP8800A Description Pin Assignments
... Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use ...
... Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use ...
Stepper motor
A stepper motor or step motor or stepping motor is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor's position can then be commanded to move and hold at one of these steps without any feedback sensor (an open-loop controller), as long as the motor is carefully sized to the application in respect to torque and speed.Switched reluctance motors are very large stepping motors with a reduced pole count, and generally are closed-loop commutated.