LM25122QPWPTQ1

Voltage - Supply (Vcc/Vdd):	3 V ~ 42 V
Supplier Device Package:	20-HTSSOP
Package / Case:	20-PowerTSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Enable, Frequency Control, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Frequency - Switching:	450kHz
Series:	Automotive, AEC-Q100
Output Phases:	1
Number of Outputs:	1
Topology:	Boost, Flyback, SEPIC
Output Configuration:	Positive
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LM25122QPWPTQ1 Application Field and Working Principle

PMIC - Voltage Regulators - DC DC Switching ControllersLM25122QPWPTQ1 is a DC-DC switching controller capable of providing a high-efficiency power supply design. Its integrated features, wide operating voltage range, and variable switching frequency make LM25122QPWPTQ1 an ideal choice for applications such as industrial, automotive, telecom, and consumer/home appliances.The LM25122QPWPTQ1 is a low-noise synchronous buck-boost voltage regulator that can take an input voltage of up to 42 volts. It is an ideal solution for situations where the input voltage may vary, such as a battery-powered application. By monitoring the input voltage, the LM25122 continuously adjusts the duty cycle, allowing it to maintain the output voltage independent of the input.The LM25122QPWPTQ1 is designed to provide switching efficiencies of up to 95%, allowing for decreased power dissipation and efficiency ratings of up to 95%, helping to reduce system costs. Its output voltage can range from 0.8V to 36V, with a power capability of up to 3A. Its input/output ratio can range from 0.5V to 24V, and its switching frequency can be adjusted from 100kHz to 1 MHz.The LM25122QPWPTQ1 also offers a variety of integrated protection features and functionality, including, but not limited to, too-fast operation, over-voltage protection, undervoltage lockout, and overvoltage protection, helping to keep the system protected.When designing with the LM25122QPWPTQ1, a few important points to note include the current sense threshold and minimum on-time. The current sense threshold should be appropriate for the application, as it will determine when the controller will switch back to regulation. The minimum on-time should be greater than the time required for the inductor to swing from 0A to its peak at maximum current.Overall, the LM25122QPWPTQ1 is an ideal switching controller for applications such as automobiles, consumer appliances, medical, and home audio systems. It offers a wide operating voltage range and variable switching frequency, allowing it to be used in a variety of applications. Its wide range of integrated features, such as over-voltage protection, and its robust design, make the LM25122QPWPTQ1 a good choice when designing a high-efficiency power supply.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description