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... The TPS5405 is a 28-V, 2-A, step-down (buck) converter with an integrated high-side N-channel MOSFET. To improve performance during line and load transients, the device implements a constant frequency, current mode control which reduces output capacitance and simplifies external frequency compensati ...
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... Precision Reference: ±1% Over Temperature Output Voltage Range: 0.6 to 5.5 V Programmable Frequency: 200 kHz to 1.5 MHz Programmable Soft-Start Low Shutdown Current ...
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... LED package lead inductance causes ringing and overshoot, which can be compensated with an RC filter network. The MAX3966 includes 35Ω and 12pF of internal compensation. The compensation network can be optimized by adding additional components between VCCOUT and OUT+. The MAX3966 includes a compleme ...
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... less than the lower MOSFET gate threshold voltage Vgth i.e. Vg < Vgth, then no cross conduction is expected. Notice that Vg in (6) is independent of Rg, which is to be expected. As “a” gets larger, the impedance of Cgs becomes much smaller than Rg and it becomes the only determining factor, since bo ...
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... directly proportional to V1.Thus if the transformer delivers 12V at 220V input it will give 8.72V at 160V.Similarly at 270V it will give 14.72V.Thus the dc voltage at the input of the regulator changes from about 8V to 15V because of A.C voltage variation from 160V to 270V the regulator output will ...
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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.
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