LM5002MAX/NOPB Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Function:	Step-Up, Step-Up/Step-Down
Output Configuration:	Positive, Isolation Capable
Topology:	Boost, Flyback, Forward Converter, SEPIC
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	3.1V
Voltage - Input (Max):	75V
Voltage - Output (Min/Fixed):	3.1V
Voltage - Output (Max):	76V (Switch)
Current - Output:	400mA (Switch)
Frequency - Switching:	50kHz ~ 1.5MHz
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	LM5002

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Introduction to LM5002MAX/NOPB DC DC Switching Regulator

The LM5002MAX/NOPB is a DC-DC switching converter designed for a single input and single output voltage application. It is designed to convert a wide variety of input voltages into an output voltage from 0.8 V to 5 V. It features a built-in digital control interface, allowing the user to program the switching frequency, input voltage and output voltage.

Features of LM5002MAX/NOPB DC DC Switching Regulator

The LM5002MAX/NOPB boasts a number of design features that make it well suited for a variety of applications. It features a wide input voltage range of 6.5V - 40V and a wide operating temperature range of -40°C to +125°C. Its low quiescent current of 8mA and high efficiency of up to 96% contribute to power management efficiency. Its high frequency operation makes it suitable for applications where the board space is limited. In addition, its advanced protection features provide over-current and thermal protection.

Application Fields and Working Principle of LM5002MAX/NOPB DC DC Switching Regulator

The LM5002MAX/NOPB DC DC switching regulator is ideal for industrial, automotive, communication and consumer applications. It is particularly suitable for applications that require a high efficiency and low power dissipation such as LED lighting, battery charging, power management, laptop power supplies and motor drives.The working principle of the LM5002MAX/NOPB is based on the principle of pulse width modulation (PWM). It has an internal oscillator and voltage control circuit that controls the width of a series of output pulses in response to an external reference signal, adjusting the output voltage accordingly. The oscillator regulates the switching frequency while the voltage control circuit adjusts the duty cycle of the output pulses. When the output voltage is higher than the reference voltage, the duty cycle of the output pulses is reduced, lowering the output voltage. Conversely, when the output voltage is lower than the reference voltage, the duty cycle is increased, raising the output voltage. This allows for fine-tuning of the output voltage, allowing for precise control of the output voltage.

Conclusion

The LM5002MAX/NOPB DC DC switching regulator is a powerful and efficient switching converter designed for a wide variety of applications. Its wide input voltage range, high efficiency and low power dissipation make it well suited for a range of applications, from LED lighting and battery charging to laptop power supplies and motor drives. Its pulse width modulation working principle allows for precise control of the output voltage, ensuring smooth and reliable operation.

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