LM5056APMH/NOPB

Series:	--
Packaging:	Tube
Part Status:	Active
Applications:	Base Station-Networking Line Cards, Servers
Current - Supply:	900mA
Voltage - Supply:	10 V ~ 80 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package:	28-HTSSOP
Base Part Number:	LM5056

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Introduction to LM5056APMH/NOPB
The LM5056APMH/NOPB, created by Texas Instruments, is a high-frequency synchronous buck controller designed to regulate the output voltage of offline AC adapter applications. Using the latest integrated circuit (IC) packaging and optimization technology, the LM5056APMH/NOPB greatly maximizes system performance and minimizes total power supply cost. It also sports an advanced control system to provide a variable output voltage that can be adjusted between 3.0V to 10.0V. This product also contains a wide range of features such as an integrated high voltage start-up circuit, an output voltage tracking function and a selectable spread spectrum frequency modulated mode.
LM5056APMH/NOPB Application Field
The LM5056APMH/NOPB is suitable for a variety of applications due to its flexible operation, stability and fast response. Firstly, it can be used in lighting power supply. As a high efficiency, low cost controller, it provides precise and regulated output voltage, current and frequency control. Secondly, it also works well with applications that require fast transient response such as servers and HDD array systems. These systems often require reliable source of power and with the LM5056APMH/NOPB, they can now have a stable and more efficient power supply. It can also be used in medical device power supply, industrial power supply, wireless charger and other battery charging systesm that require precise regulation. LM5056APMH/NOPB Working Principle
The LM5056APMH/NOPB works by using a synchronous buck converter stage. This stage includes a high-voltage power switch, a synchronous power MOSFET and an inductor. The controller employs a pulse width modulation (PWM) type of control topology. The input power will go through the power switch, the transformer to step down the input voltage and the output capacitor for smooth the output voltage. The output voltage is then regulated by Pulse Width Modulation of the power switch.Conclusion
In conclusion, the LM5056APMH/NOPB is a cost-effective high-frequency synchronous buck controller that is suitable for various types of applications. It contains integrated high voltage start-up circuit, an output voltage tracking function and a selectable spread spectrum frequency modulated mode. Furthermore, it works by using a synchronous buck converter stage with a power switch and inductor. With its flexibility and high performance, the LM5056APMH/NOPB can prove to be a great choice for various applications.

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