This seems different from foldback short circuit protection. Auch im Privatgebrauch sind die Vielzweckklammern oft im Einsatz. Klassisch zur Bündelung von losen Unterlagen, zum Markieren in Aktenordnern, als Befestigung an Klemmbrettern oder zum schnellen Aufhängen von Fotos oder Postern. They provide a plot of the frequency foldback waveforms. Die Foldback-Klammer aus Metall ist robust & sehr vielfältig einsetzbar. The handles allow easy release of documents. The frequency foldback function prevents IL from exceeding the programmed limits because of the minimum on-time.įor the following example application circuit that they include, Bring a little fun to organize your documents with different color foldback clips. Some frequency foldback waveforms are shown in the Typical Applications section. Learn the translation for ‘Foldback-Klammer’ in LEO’s English German dictionary. To prevent the switch peak currents from exceeding the programmed value, the LT3759 contains a frequency foldback function to reduce the switching frequency when the FBX voltage is low (see the Normalized Switching Frequency vs FBX graph in the Typical Performance Characteristics section). I know Veb(Q2)/R1 is approximately the maximum current through the emitter of Q1 if R4 wasnt there and this was a normal current limiting scheme. So, the switch current will keep increasing through each switch cycle, exceeding the programmed current limit. Die farbig gemischten Foldback-Klammern haben einen vernickelten Bügel und eine starke Feder. So as the title says, Im trying to calculate the knee current for this schematic. beim Urban Sketchen oder Plein Air Zeichnen zu vermeiden. The minimum on-time limitation may prevent the switcher from attaining a sufficiently low duty cycle at the programmed switching frequency. RAPESCO Foldback-Klammern Breite: 19 mm schwarz 80 Stück 2 7,71 zzgl. Die roten Klammern halten Skizzenbuchseiten perfekt zusammen, um ein Umschlagen der Seiten z.B. The clamping width of the silver clip is 4 mm, approx. The clamp has a width of 13 mm and removable clamps.
When VOUT is very low during start-up or a short-circuit fault on the output, the switching regulator must operate at low duty cycles to maintain the power switch current within the current limit range, since the inductor current decay rate is very low during switch off time. The original Mauly foldback clamp made of strong stainless steel. One of the features that they advertise is frequency foldback.
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