AP7381-70Y-13

Current - Output:	150mA
Supplier Device Package:	SOT-89-3
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Protection Features:	Current Limit, Thermal Shutdown
Control Features:	--
PSRR:	--
Current - Supply (Max):	25µA
Current - Quiescent (Iq):	2.5µA
Series:	--
Voltage Dropout (Max):	1V @ 100mA (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	7V
Voltage - Input (Max):	40V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - Linear

Voltage regulators are devices used to maintain a stable output voltage within a certain range, even when the input voltage changes. They are commonly used in electronic systems to provide a clean and stable power supply, and the AP7381-70Y-13 is one such example. This article will discuss its application field and working principle in detail. The AP7381-70Y-13 is a 4A low-dropout (LDO) linear voltage regulator designed for use in mobile, electronics, and automotive applications. It features a high-performance, low-output voltage design, with an adjustable voltage range of 1.1V to 3.3V. It is capable of delivering up to 4A continuous-mode current with a very low dropout voltage of 140mV at the full load. The AP7381-70Y-13 is ideal for applications such as high-density board miniaturization, car audio systems, DTV systems, automotive ECU systems, and power supplies for mobile devices. Its low power consumption, high-efficiency step-down regulator works with low on-resistance (Rds (on)) to provide a stable output voltage that is resistant to noise and power fluctuations that can disrupt the device\'s operation. The AP7381-70Y-13 includes a number of safety features, such as overcurrent protection and thermal shutdown. In addition, it has a built-in soft start controller, which helps to reduce the input current during start-up and provides better noise rejection on transient input voltage spikes. In terms of operational features, the AP7381-70Y-13 has an input voltage range of 4.5V to 20V, an output voltage range of 1.1V to 3.3V, and a maximum output current of 4A. It also includes a power good flag, which indicates when the output voltage is within its acceptable range, as well as a power supply sequencer, which allows two or more converter blocks to be powered up sequentially.The working principle of the AP7381-70Y-13 is simple. It controls the output voltage by regulating the current flow between the input and the output. The regulator is typically connected between the voltage source and the load, and it acts as a buffer between them, absorbing any variations in the input voltage. The regulator is basically a voltage-controlled current source, meaning that a constant current is maintained from the input to the output pin. When the output voltage falls below its specified level, the regulator increases the current, thus ensuring that the output voltage remains constant.The AP7381-70Y-13 has many advantages over the traditional linear voltage regulator, such as improved efficiency, reduced heat generation, and a lower input-output voltage drop. The adjustable output voltage allows it to work with a variety of power management applications, such as peripheral components, Li-Ion/Li-Polymer and NiMH battery chargers, and mobile devices. The high power delivery, low dropout and low power consumption characteristics make the AP7381-70Y-13 a viable option for powering various portable devices. In conclusion, the AP7381-70Y-13 is a 4A LDO linear voltage regulator suited for use in mobile, electronics and automotive applications. It features a low on-resistance, a wide input voltage range, a power good flag and a power supply sequencer. Its simple working principle and robust safety features make it an ideal choice for powering portable devices.

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