LT1371CSW#TRPBF

Voltage - Output (Min/Fixed):	1.245V
Base Part Number:	LT1371
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	500kHz
Current - Output:	3A (Switch)
Voltage - Output (Max):	35V (Switch)
Series:	--
Voltage - Input (Max):	30V
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC
Output Configuration:	Positive or Negative
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to LT1371CSW#TRPBF

The LT1371CSW#TRPBF is a switching regulator IC from Linear Technology specifically designed for advanced DC/DC power conversion. This family of devices replaces standard power supplies with a highly integrated chip, while also significantly reducing the size, total parts count and time to market of device designs.

Application Field

The LT1371CSW#TRPBF is a highly efficient, low output voltage ripple and low noise DC/DC switching power regulator. It is ideal for a variety of products such as automotive electronics, computers, industrial equipment, communication systems and medical devices.

Some Benefits of Using LT1371CSW#TRPBF

The LT1371CSW#TRPBF provides a wide input voltage range and offers superior efficiency and low EMI, making it ideal for automotive applications. It also features very low current consumption when in shutdown mode, making it ideal for battery-powered equipment as well. The device is also very easy to use, providing a comprehensive range of protection features and an adjustable output current limit that allows you to adjust the output current based on application needs.

Working Principle

The LT1371CSW#TRPBF is a monolithic programmable DC/DC switching regulator. It features a high frequency pulsed current-mode control with output current limit; measuring the voltage difference between the input and output. This allows the device to switch on and off a high frequency/high power-dissipation switch as required. The device also includes an internal temperature sensing circuit which automatically turns off the device if it gets too hot.The LT1371CSW#TRPBF includes an adjustable current limit, allowing the user to set the maximum output current the device can supply. Once the current limit has been set, the device reduces the duty cycle on the switch as required to maintain the output current at or below the current limit. This design provides for excellent output current and voltage stability, as well as superior thermal protection.In addition, the LT1371CSW#TRPBF has a built-in under voltage lockout (UVLO) and overvoltage lockout (OVLO), which sense the input and/or output voltage and disable the device if the voltage exceeds the specified thresholds. This will ensure that the device will not draw too much current or output too much voltage, protecting itself and the load.

Conclusion

The LT1371CSW#TRPBF is a highly efficient, low output voltage ripple and low noise DC/DC switching regulator IC, specifically designed for advanced DC/DC power conversion. It offers superior efficiency, low EMI, very low current consumption in shutdown mode, comprehensive range of protection features, and an adjustable output current limit. Its high frequency pulsed current-mode control and output current limit allows the device to switch on and off a high frequency/high power-dissipation switch as needed. The device also includes an internal temperature sensing circuit, adjustable current limit, and UVLO and OVLO. This makes the LT1371CSW#TRPBF an ideal IC for a wide range of products such as automotive electronics, computers, industrial equipment, communications systems and medical devices.

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