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MAX1044/ICL7660 - Switched-Capacitor Voltage Converters
MAX1044/ICL7660 - Switched-Capacitor Voltage Converters

... terminal of C1 to ground and shifts the negative terminal to VOUT. This connects C1 in parallel with the reservoir capacitor C2. If the voltage across C2 is smaller than the voltage across C1, then charge flows from C1 to C2 until the voltages across them are equal. During successive cycles, C1 will ...
Unit 6, Day 9 – Voltage, Current, and Resistance
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... Fill in the table below answering the testable question: How does increasing the voltage affect current? Graph the data in your table as well. You can solve this problem in one of two ways. First, you can add batteries to the circuit, which will increase the voltage. Or, you can also RIGHT CLICK on ...
MAX15040 High-Efficiency, 4A, Step-Down Regulator with General Description
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... 0.6V to (0.9 x VIN) from 2.4V to 3.6V input supplies, making it ideal for on-board point-of-load applications. The output-voltage accuracy is better than ±1% over load, line, and temperature. The MAX15040 features a 1MHz fixed switching frequency, allowing the user to achieve all-ceramic capacitor d ...
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... Initially, the capacitor is UNCHARGED (q = 0) and the current through the resistor is zero. A switch (in red) then closes the circuit by moving upwards. The question is: What happens to the current and voltage across the resistor and capacitor as the capacitor begins to charge as a function of time? ...
General Description Data Sheet D306A Electroluminescent
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... The D306A IC inverter drives the EL lamp by using a switching transistor to repeatedly charge an external inductor and discharge it to the high voltage capacitor Cs. The discharging causes the voltage at Cs to continually increase. The internal circuitry uses the H-bridge technology, using both elec ...
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... Power dissipated in the BUF634 will cause the junction temperature to rise. A thermal protection circuit in the BUF634 will disable the output when the junction temperature reaches approximately 175°C. When the thermal protection is activated, the output stage is disabled, allowing the device to coo ...
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... Explanation: This is a passive linear system, and thus the magnitude of the output phasor will always be equal to or less than the input phasor. The transfer function H(ω) has a magnitude and a phase at any given frequency ω, which determines the change in magnitude and phase between the input signa ...
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Supply-Voltage Supervisor, TL7700 (Rev. G)

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... charges the capacitor on TIMER. Once the voltage on TIMER reaches approximately 0.5 V, the circuit-breaker latch is set and the power switch is latched off. Power must be recycled or the ENABLE pin must be toggled to restart the controller. In high-power or high-temperature applications, a minimum 5 ...
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... for easy and convenient design of a step−down switching regulator (buck converter). It is capable of driving a 0.5 A load with excellent line and load regulation. This device is available in adjustable output version. It is internally compensated to minimize the number of external components to simp ...
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... One advantage of the crowbar-type device is that its very low impedance allows a high current to pass without dissipating a considerable amount of energy within the protector. On the other hand, there’s a finite volt-time response as the device switches or transitions to its breakdown mode, during w ...
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... Current i(t) in an RL circuit is an exponentially increasing function of time Current begins at zero and rises to a maximum value Voltage across resistor VR is an exponentially increasing function of time Voltage across inductor VL is an exponentially decreasing function of time ...
Intersil CA3280 - ECE Users Pages
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... example, with an lABC of 1mA, the gM is approximately 16mS. With the CA3280 operating into a 5kΩ resistor, the gain is 80. The need for external buffers can be eliminated by the use of low value load resistors, but the resulting increase in the required amplifier bias current reduces the input imped ...
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... The digital outputs are TTL/CMOS compatible. The output buffers are powered from a separate supply, allowing adjustment of the output voltage swing to ease interfacing with 2.5 V or 3.3 V logic. The AD9283 goes into a low power state within two clock cycles following the assertion of the PWRDWN inpu ...
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... channel 2 measure the voltage across the resistor. Compare with the graphs of the second example above. Make the frequency f of the signal generator smaller (T larger) so the capacitor has more time to charge. Keep decreasing f the frequency of the signal generator. Sketch the oscilloscope figures y ...
AN2951
AN2951

... parameters of an FOT, along the semiperiod of the input AC source, is shown. The dotted line represents the envelope of the peak inductor current. As clearly noted, the shape is sinusoidal as required, in order to have a high power factor. This is a consequence of the Ton modulation carried out by f ...
SPICE Modeling and Simulation of a MPPT Algorithm
SPICE Modeling and Simulation of a MPPT Algorithm

EECE251 Circuit Analysis I Set 1: Basic Concepts and Resistive
EECE251 Circuit Analysis I Set 1: Basic Concepts and Resistive

... The voltage v across a resistor is directly proportional to the current i flowing through the resistor. The proportionality constant is the resistance of the resistor, i.e., v(t ) = Ri (t ) ...
the data sheet
the data sheet

... CONTROL pin voltage VC is the supply or bias voltage for the controller and driver circuitry. An external bypass capacitor closely connected between the CONTROL and SOURCE pins is required to supply the gate drive current. The total amount of capacitance connected to this pin (CT) also sets the auto ...
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Schmitt trigger



In electronics a Schmitt trigger is a comparator circuit with hysteresis implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier. It is an active circuit which converts an analog input signal to a digital output signal. The circuit is named a ""trigger"" because the output retains its value until the input changes sufficiently to trigger a change. In the non-inverting configuration, when the input is higher than a chosen threshold, the output is high. When the input is below a different (lower) chosen threshold the output is low, and when the input is between the two levels the output retains its value. This dual threshold action is called hysteresis and implies that the Schmitt trigger possesses memory and can act as a bistable multivibrator (latch or flip-flop). There is a close relation between the two kinds of circuits: a Schmitt trigger can be converted into a latch and a latch can be converted into a Schmitt trigger.Schmitt trigger devices are typically used in signal conditioning applications to remove noise from signals used in digital circuits, particularly mechanical contact bounce. They are also used in closed loop negative feedback configurations to implement relaxation oscillators, used in function generators and switching power supplies.
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