AP1605SL-13

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PMIC (Power Management IC) is a type of integrated circuit (IC) that specialized in the management of energy and electricity systems. Voltages regulators play a key role in controlling energy and electricity, and DC DC (direct current-to-direct current) switching regulators are one of the more commonly used types. The AP1605SL-13 is a type of DC DC switching regulator, designed for mobile application and other space-constrained applications, and offers a usual wide input voltage range and low quiescent current output.

The AP1605SL-13 sets itself apart from many other DC-DC switching regulators by its small form factor, making it ideal for space-constrained applications. Offered in a 9-pin TSOT23-8L module, the switch regulator features a wide input voltage range of 3.0V to 24V, programmable output voltage of 0.8V to 5.1V, and a tightly controlled output voltage tolerance of ±2%, making it suitable for a wide range of mobile application and other mid-power applications.

The AP1605SL-13 also features a low quiescent current output of typically 9mA, providing excellent efficiency and power saving. The device has built-in programmable soft start, auto recharge function and adjustable current-limit, allowing the output current to be set to specifications. Additionally, it has thermal shutdown and current limit protection, providing robust system and output protection.

The working principle of the AP1605SL-13 is based on the buck-mode topology, which is a non-inverting regulated DC power supply used to convert a higher input voltage to a lower output voltage. The buck converter consists of two main sections: a power switch (usually consisting of a PMOS transistor) and an inductor in a buck-mode topology. The power switch is turned on and off by varying the duty cycle of a control signal sent to its gate. The duty cycle is determined by a control circuit (voltage feedback loop) that regulates the output voltage. During the on-state, power flows into the inductor, which stores energy in the form of a magnetic field. The off-state current is turned off and the magnetic field stored in the inductor collapses, causing the inductor to generate a reverse polarity voltage across its winding, which isoutpu o tte vlttgae ndctr to te loder

In summary, the AP1605SL-13 DC DC switching regulator provides many great features for power-constrained applications. Its small form factor, wide input voltage range, tight output voltage tolerance, low quiescent current output and advanced protection performances provide efficient system and output protection. When used appropriately, the AP1605SL-13 can offer the desired results for wide range of applications.

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