LMR33620BDDA

Voltage - Input (Max):	36V
Supplier Device Package:	8-SO PowerPad
Package / Case:	8-PowerSOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.4MHz
Current - Output:	2A
Voltage - Output (Max):	24V
Voltage - Output (Min/Fixed):	1V
Series:	SIMPLE SWITCHER®
Voltage - Input (Min):	3.8V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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LMR33620BDDA application field and working principle

The LMR33620BDDA is a highly efficient synchronous buck DC-DC switching regulator. It is able to deliver up to 1.5A of output current, and is designed to operate with a wide input voltage range of 4.5V to 36V. It offers excellent transient response, with a controlled output voltage range that extends from 0.6V to 30V, making it suitable for a wide range of applications, including microcontrollers, digital signal processors, and audio devices.The LMR33620BDDA is based on LMR33620, an advanced analog-based synchronous buck regulator from Texas Instruments. It uses FET technology to achieve high efficiency, and a low-resistance power path to provide fast transient response. The LMR33620BDDA is designed to operate with a single inductor, eliminating the need for an external inductor and minimizing component count.The LMR33620BDDA utilizes a pulse-width modulation (PWM) control algorithm. It constantly monitors the output voltage and modifies the duty cycle of the PWM signal to maintain the desired output voltage. The regulator also includes a three-stage output voltage sensing and undershoot protection circuit. The LMR33620BDDA offers excellent thermal performance through the use of an advanced thermal de-rating circuit, allowing it to automatically adjust its operating frequency to reduce heat dissipation.The device also includes a wide range of features such as a programmable switching frequency, external soft start, and an adjustable current limit. The LMR33620BDDA is also capable of automatic power save mode operation, reducing current consumption when power is scarce.The LMR33620BDDA is an ideal DC-DC switching regulator for a variety of applications, including automotive, industrial, and consumer applications. Its wide input voltage range and high efficiency make it ideal for portable applications. Its advanced features make it well-suited for high power applications.

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