LM8850URX/NOPB

Voltage - Output (Min/Fixed):	3.6V
Base Part Number:	LM8850
Supplier Device Package:	9-UTµSMD (1.58x1.62)
Package / Case:	9-XFBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.5MHz
Current - Output:	1.35A (Switch)
Voltage - Output (Max):	5.7V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.3V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LM8850URX/NOPB application field and working principle

PMIC or Power Management Integrated Circuits are responsible for ensuring efficient and safe operation of electronic device circuits. Among them is the LM8850URX/NOPB. DC DC switching regulators are known for their wide input voltage range and high performance capabilities. These are suitable for a variety of power supply applications. This article discusses the LM8850URX/NOPB’s application fields and working principles.The LM8850URX/NOPB is a highly integrated DC-DC switching regulator from Texas Instruments. It is rated for up to 500mA, and offers a wide input voltage range of 4.5V to 100V. The switching frequency is a constant 600KHz, and the device comes in a thermally enhanced power package. This makes the LM8850URX/NOPB ideal for demanding applications in industrial, automotive, and telecom markets, that require high current and wide input voltage. It is also suitable for applications such as onboard computer power, HVAC, process control and safety systems in industrial market, and power management in automotive, home and telecom markets.The LM8850URX/NOPB has integrated features such as high performance current mode control, regulated current, output voltage, and frequency operation, low on-state resistance, precision edge rate sensing, and a TTL compatible Enable input. It has a wide range of voltage mode control, valley current mode for both soft switching and high efficiency slope compensation. In addition, the device includes over-temperature and over-current protection and fault reporting.The LM8850URX/NOPB utilizes current-mode control, which means that it samples the current flowing through the inductor, and adjusts its output accordingly. The device takes into account the input voltage, output voltage, duty cycle, and other parameters.The LM8850URX/NOPB features an internal oscillator with an adjustable frequency. This allows the device to regulate its output accurately and provide stable power. Additionally, the device is protected against short circuits and has over-temperature protection.In summary, the LM8850URX/NOPB from Texas Instruments is a highly integrated DC-DC switching regulator, rated for up to 500mA. It has a wide input voltage range, a constant switching frequency, and a variety of integrated features. It is suitable for demanding applications in a variety of industrial, automotive and telecom markets, and utilizes current-mode control for a precise and stable output.

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