MIC4682YM

Voltage - Output (Min/Fixed):	1.23V
Base Part Number:	MIC4682
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	200kHz
Current - Output:	2A
Voltage - Output (Max):	32.3V
Series:	SuperSwitcher™
Voltage - Input (Max):	34V
Voltage - Input (Min):	4V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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MIC4682YM is a high efficiency, high functionality power management IC (PMIC) for voltage regulators, DC to DC switching regulators, and load switch devices. Its application field is relatively broad, from portable and battery power devices to high-end server and telecommunications applications, and it is suitable for both low and high power designs.Working PrincipleThe working principle of the MIC4682YM PMIC is based on the implementation of buck-boost switching regulator topologies. A buck-boost regulator operates in one of three modes: buck mode, boost mode, or buck-boost mode. Depending on the load which the regulator is powering, the buck-boost regulator is able to switch between thes three modes on a regular basis in order to maintain the efficiency of the device.In the buck mode, an inductor, power switch, and rectifier are used to step-down incoming voltage to the desired level, while the boost mode works in the opposite way, increasing the input voltage. The Buck-Boost mode is useful for maintaining a steady output voltage regardless of the input voltage.In addition to regulating voltage, the MIC4682YM PMIC also provides protection against over-current and under-voltage conditions. This protection is implemented by using a single-phase comparator with a voltage threshold and a high signal-to-noise ratio. This makes the regulator safe from short circuits and other over-voltage conditions, as well as from low-voltage conditions that could harm the load.The MIC4682YM PMIC is also capable of dynamically controlling the output voltage to maintain a tight regulation of the load current during steady state operation. This allows for an efficient control of power transistors, resulting in improved energy efficiency and reliable system performance.Advantages of the MIC4682YMThe MIC4682YM PMIC offers a range of advantages over other power management ICs. It has a very low quiescent current draw, allowing for higher power efficiency and longer battery life. Additionally, the MIC4682YM PMIC consumes minimum power even at maximum output current. This makes the device well-suited for applications that require a low operating temperature.The MIC4682YM PMIC also has a high thermal dissipation efficiency and can handle high peak currents. This makes it ideal for applications that experience high current spikes or frequent switching between different input voltages. Additionally, the MIC4682YM PMIC is able to support wide operating temperature range and has a low output noise level, making it suited for demanding applications.ConclusionThe MIC4682YM is a high efficiency, high functionality power management IC for voltage regulators, DC to DC switching regulators, and load switch devices. A wide variety of applications from portable to high-end servers, as well as both low and high power designs, benefit from the advanced features of this IC. The MIC4682YM PMIC is also able to efficiently protect against over-current, under-voltage and high peak current conditions. Its wide operating temperature range and low quiescent current draw make it highly advantageous for any system powering application.

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