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ACT4060 DATASHEET PDF

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See Stability Compensation in the Application Information section.

When EN is higher than 1. The voltage at this pin is regulated to 1. Many manufacturers therefore split those informations into several documents. A current source and can be left unconnected for always-on operation. Part and Inventory Search. This state continues until the cycle starts again. With the SW side of the inductor now connected to IN, the inductor current ramps up to store energy in the magnetic field.

ACT4060 Datasheet

Choosing IC with EN signal 2. The voltage at this pin is regulated to 1. See Stability Compensation in the Application Information section. Bypass this pin to G with a low ESR capacitor. The output ripple voltage is: For other inquiries, please send datashet When left unconnected, EN is pulled up to 4.

Therefore, a lower capacitance value can be used for ceramic capacitors. Exposure to absolute maximum rating conditions for long periods may affect device reliability. Connect to the resistor divider between output and ground to datsaheet output voltage. There is a problem when writing a datasheet.

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However, if FB voltage is less than 0. In general, select an inductance value L based on ripple current requirement: Dattasheet Technology file 1. Do not exceed these limits to prevent damage to the device. Finally, select the inductor core size so that it does not saturate at 3A.

Of course everything is soldered on PCB. This inductor current has a ripple that is dependent on the inductance value: Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency foldback at short circuit.

The input capacitor should be placed close to the IN and G pins of the IC, with the shortest traces possible. G EA The second pole P2 is the output pole: Did you follow the rules? The time now is Users should evaluate each product to make sure that it is suitable for their applications. A switching dattasheet is far more complex for the designer to understand than a linear regulator. For more information on this and other products, contact sales active-semi. In the case of ceramic output capacitors, RESR is very small and does not contribute to the ripple.

ACT datasheet & applicatoin notes – Datasheet Archive

This isn’t a task datazheet some minutes. No idea why, maybe guess b affects that. Input port and input output port declaration in top module 2.

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The inductance for example: In the case of ceramic output capacitors, RESR is very small and does not contribute to the ripple. This pin acts as the positive rail for the high-side switch’s gate driver. Heat sinks, Part 2: The SP-Cap is based on aluminum electrolytic capacitor technology, but uses a solid polymer electrolyte and has very stable capacitance characteristics in both operating temperature and frequency compared to ceramic, polymer, and low ESR tantalum capacitors.

When higher than 1. Originally Posted by d Output Voltage Setting Figure 3 shows the connections for setting the output voltage.

At this point, the SW side of the inductor swings to a diode voltage below ground, causing the inductor current to decrease and magnetic energy to be transferred to output. For more information on this and other products, contact sales micro-bridge. Since large current flows in and out of this capacitor during switching, its ESR also affects efficiency. Similar Threads Drop voltage in output of LM 3.

We all needed to go through it. Output voltage is very stable and SMPS doesn’t warm up even on load.