MPQ8632GL-8-Z

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	2.5V
Voltage - Input (Max):	18V
Voltage - Output (Min/Fixed):	0.611V
Voltage - Output (Max):	13V
Current - Output:	8A
Frequency - Switching:	200kHz ~ 1MHz
Synchronous Rectifier:	Yes
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	16-VFQFN
Supplier Device Package:	16-QFN (3x4)

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PMIC - Voltage Regulators - DC DC Switching Regulators

DC-DC switching regulator is a type of power converter which takes an input voltage, produces an output voltage which is either higher or lower than the input voltage and regulates the output voltage to a fixed value. It is mainly used in applications with limited energy sources, providing an efficient solution to supply the loads with limited power. The MPQ8632GL-8-Z is a 36V, 8A programmable synchronous step-down DC-DC switching regulator from Monolithic Power Systems Inc. It operates from an input voltage of 4.5V to 36V and provides an adjustable output voltage from 0.6V to 32V. The MPQ8632GL-8-Z can give up to eight amps of output current at a maximum junction temperature of 150°C. It offers improved power density and efficiency compared to conventional fixed-frequency PWM controller solutions. The MPQ8632GL-8-Zoperates at a fixed switching frequency of 2.2MHz. It features programmable soft-start, adjustable maximum switching frequency, and always-on low power mode. It also offers programmable input and output current limit, over-temperature protection, and adjustable soft-stop. Additionally, it features Power Good signal, power-down, external synchronisation, and adjustable switching frequency. The MPQ8632GL-8-Z is available in an 8-pin TDFN package and is specifically designed for push-pull converters requiring high output currents. Typical applications of the MPQ8632GL-8-Z include power supplies for notebooks, netbooks, and other industrial and automotive applications. It is also very suitable for Point-of-Load applications as well as distributed power architectures for telecom and server systems. The MPQ8632GL-8-Z works by converting an input signal of either DC or AC at one voltage level to an output signal of the same type at a different voltage level. The MPQ8632GL-8-Z uses a high-frequency switching power stage to produce the required output voltage. The output voltage is regulated through a feedback loop. First, a voltage reference is compared to the output voltage and a difference signal is generated. This signal is then compared to a saw-tooth wave (the triangle wave generated by the internal oscillator circuit) to generate a control signal for the PWM power stage. The duty cycle of this control signal is determined by the voltage difference, ensuring the output voltage is kept constant.In conclusion, the MPQ8632GL-8-Z is a synchronous step-down DC-DC switching regulator from Monolithic Power Systems Inc. It features a wide range of features such as programmable soft-start, adjustable maximum switching frequency, adjustable soft-stop, and Power Good signal. It is typically used in applications with limited energy sources such as power supplies for notebooks, netbooks, and other industrial and automotive applications.

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