LM53635AQRNLRQ1

Series:	Automotive, AEC-Q100
Part Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	3.9V
Voltage - Input (Max):	36V
Voltage - Output (Min/Fixed):	3.3V
Voltage - Output (Max):	10V
Current - Output:	3.5A
Frequency - Switching:	2.1MHz
Synchronous Rectifier:	Yes
Operating Temperature:	-40°C ~ 150°C (TJ)

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The LM53635AQRNLRQ1 is a DC DC switching regulator, a type of PMIC (Power Management Interface Circuit). The device works dynamically to maintain a desired output voltage under varying load conditions while providing high efficiency and clean operation. It can be used in a variety of electronic systems, including medical, industrial, and automotive applications.This switching regulator is well-suited for applications that require a constant output voltage despite varying load conditions. It features a wide range of input voltage options, allowing the device to easily accommodate wide-ranging input voltages with minimal effect on its resulting output voltage. The device is also uniquely capable of providing excellent transient response, making it well-suited for high-speed applications.The device utilizes a proprietary design incorporating an adjustable switching frequency, low resistor parasitics, and an under-voltage lockout circuit (UVLO) to provide excellent noise immunity. The UVLO protects the device from damage due to excessive input voltage.At its core, the LM53635AQRNLRQ1 is a DC to DC converter with two distinct operating modes: PWM (pulse-width modulation) and PFM (pulse-frequency modulation). In PWM mode, the device switches the output voltage by varying the duty cycle of the pulses used to drive the switch. In PFM mode, the switching frequency is varied to maintain a desired output voltage.The device also has internal voltage feedback circuitry and circuitry for current limit protection. The voltage feedback circuit maintains a constant output voltage, regardless of load conditions, by monitoring the output and providing appropriate feedback to the switch driver. The current limit protection circuitry provides protection in cases of an overload, shutting down the device if the output current exceeds its specified limit.Due to its excellent performance and its wide range of features, the LM53635AQRNLRQ1 is an excellent choice for applications that require a DC DC switching regulator. Its wide range of input voltage options, high efficiency, and excellent transient response make it well-suited for high-speed, highly dynamic applications. Its robust protection circuitry provides additional assurance of reliable operation.

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