PAM2305AAB180

Voltage - Output (Min/Fixed):	1.8V
Base Part Number:	PAM2305
Supplier Device Package:	TSOT-25
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.5MHz
Current - Output:	1A
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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PAM2305AAB180 is a DC/DC switching regulator designed applicable in notebook computer, desktop and other commercial power supply. It has a switching frequency up to 40KHz, so it has very high efficiency. With its wide 4.5V ~ 22V input voltage range, it is suitable for use and constant current source/sink applications in various types of applications.The PAM2305AAB180 features a unique pulse-by-pulse current limit, over voltage protection and thermal protection, and can operate in either continuous current mode or discontinuous current mode. This makes it highly reliable and safe for usage in various application environments.In terms of the working principle, the PAM2305AAB180 is a buck topology DC/DC regulator, which is built with a power MOSFET switch, an inductor, and compensation circuitry to control the loops. The MOSFET switch is driven by a PWM signal, which is generated by the internal high-speed oscillator, whose function is to set the surrounding frequency. At the beginning of the switching cycle, when the MOSFET switch turns on, the voltage at the gate rises sharply, and the current in the inductor spikes up. When the switch turned off, the voltage on the gate decays quickly and the current in the inductor follows a decaying path. The buck ytopology regulator will pass the current through the inductor to the SECOND stage output filter until the inductor current reaches the zero. The output voltage will then be obtained from the SECOND stage output filter.As for the application field, the PAM2305AAB180 DC/DC switching regulator can be used in different application fields, ranging from commercial power supplies and consumer electronics to automotive, medical, and industrial electronics. In the consumer electronics sector, this switch mode regulator allows the circulation of a high frequency current from an input source to an output. It is able to regulate the input to an accurate output level due to its efficiency. This mechanism is especially suitable for use in applications that demand a controlled output voltage for power-sensitive devices, such as notebooks and desktop computers.As for the automotive industry, the PAM2305AAB180 can provide a consistent voltage to the power supply, minimizing the risk of power loss due to voltage fluctuation. This allows automotive engineers to rely on the stability and accuracy of the power supply, and makes it ideal for embedded and engine control applications.The same goes for medical and industrial electronics. The PAM2305AAB180\'s quick and reliable response allows it to be well suited for embedded medical and industrial electronics that are expected to perform under strict conditions of accuracy and stability.The PAM2305AAB180 DC/DC switching regulator is thus a reliable, efficient and highly accurate solution for different application fields, ranging from consumer electronics to automotive, medical and industrial electronics. Its wide input voltage range offers a degree of flexibility and its pulse-by-pulse current limit, overvoltage protection and thermal protection make it suitable for use in a variety of environments.

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