LMR23630AFDDA

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:	150kHz ~ 2.425MHz
Current - Output:	3A
Voltage - Output (Max):	28V
Voltage - Output (Min/Fixed):	1V
Series:	SIMPLE SWITCHER®
Voltage - Input (Min):	4V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tray

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Introduction

The LMR23630AFDDA is a low-power synchronous buck DC/DC converter from Texas Instruments. It is a perfect input source for ultra-low-power designs that require a tightly regulated output voltage. A wide input voltage range of 1.4V to 22V, and adjustable output current up to 6A make it suitable for many small to medium size applications. Additionally, it contains valuable protection features such as over-current protection, over-temperature protection, and short-circuit protection.

Application Field

The LMR23630AFDDA DC/DC converter can be found in many consumer electronics. It can be used in smart phones, tablets, laptops, and wearables. Additionally, it is suitable for industrial applications, such as networking, medical, automotive, and power sport applications.

Working Principle

The connector features an integrated ON/OFF enable pin to allow the converter to be turned on or off using an external control signal. It has an external feedback pin to adjust the output voltage, so that the user can fine tune the voltage according to the system needs.The LMR23630AFDDA DC/DC converter contains two main parts: a high-efficiency power stage and an advanced control system. The power stage converts the input voltage to a regulated output voltage, according to the setting of the feedback pin. It is a synchronous converter, meaning that the output voltage remains in regulation as long as the input is within the operating range of the device. The control system contains features of frequency synchronization. This allows the user to synchronize the converter to an external clock in order to regulate the output voltage. It also contains a current-mode control system for precise current regulation, as well as protection features such as over-current protection, over-temperature protection, and short-circuit protection.

Conclusion

The LMR23630AFDDA is a low-power synchronous buck DC/DC converter from Texas Instruments. It is an efficient and cost-effective solution for many commercial and industrial applications. It is suitable for use in smart phones, tablets, laptops, wearables, networking applications, automotive, and power sport applications. The device features an integrated ON/OFF enable pin, external feedback pin, frequency synchronization, and a current-mode control system. It also contains protection features such as over-current protection, over-temperature protection, and short-circuit protection.

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