LM2842YQMKX/NOPB

Voltage - Output (Min/Fixed):	0.765V
Base Part Number:	LM2842
Supplier Device Package:	TSOT-23-6
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	1.25MHz
Current - Output:	600mA
Voltage - Output (Max):	34V
Series:	Automotive, AEC-Q100
Voltage - Input (Max):	42V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LM2842YQMKX/NOPB Application Field and Working Principle

PMIC - Voltage Regulators - DC DC Switching Regulators are important components in the electronics industry. The LM2842YQMKX/NOPB is one of these products, offering the advantages of efficiency and cost savings for a wide range of applications. This article examines the application field of the LM2842YQMKX/NOPB and its working principle.

Application Field of the LM2842YQMKX/NOPB

The LM2842YQMKX/NOPB is a synchronous switching regulator that offers high efficiency, high power conversion and excellent performance. This regulator is suitable for a variety of applications where it can be used as a DC-DC converter for various power levels. The LM2842YQMKX/NOPB is capable of powering up to 7.8W, with a large adjustable range of output voltages down to 0.8V. This regulator can be used in a variety of applications, including portable power management, audio power systems, communications infrastructure, industrial automation, motor control and consumer applications. It is suitable for use in automotive applications, due to its wide input voltage range of up to 40V. In addition to its wide application field, the LM2842YQMKX/NOPB also offers several system-level safety features. It has thermal protection, over-current protection, short circuit protection and over-voltage protection. In addition, a power-good output is provided to accurately monitor the load voltage. These features ensure that the system will be reliably powered even in the most demanding environments.

Working Principle of the LM2842YQMKX/NOPB

The LM2842YQMKX/NOPB employs a synchronous conversion topology that produces high efficiency ratings. This topology can achieve efficiency levels over 85%, even at the highest power levels. The regulator is implemented using a two-phase diode-emitter (DPS) clocking scheme that reduces input and output ripple. The input voltage is controlled by an external clock signal. This clock signal is then compared to an internal PWM signal to generate the output voltage. The clocking scheme allows the regulator to operate from a wide input voltage range, up to 40V.The adjustable output voltage of the regulator is set by an external resistor divider network. This network is used to set the output voltage between 0.8V and the input voltage. The output current can be configured to a maximum of 7.8W based on the resistor selection. The LM2842YQMKX/NOPB regulator also provides several system level safety features. A power-good signal is provided to accurately monitor the load voltage. This signal can be used to indicate when the load voltage is below the power good threshold. In addition, the regulator also has a thermal shutdown protection that will turn off the regulator when the temperature exceeds a preset limit.

Conclusion

The LM2842YQMKX/NOPB is a synchronous switching regulator designed to power a wide range of applications over a wide input voltage range. It offers high efficiency ratings, system level safety features and wide adjustable output voltage range. With its ability to power up to 7.8W, the LM2842YQMKX/NOPB is an ideal regulator for a wide variety of applications.

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