LT1076IT#PBF

Voltage - Output (Min/Fixed):	2.5V
Base Part Number:	LT1076
Supplier Device Package:	TO-220-5
Package / Case:	TO-220-5 Formed Leads
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	100kHz
Current - Output:	2A (Switch)
Voltage - Output (Max):	35V
Series:	--
Voltage - Input (Max):	45V
Voltage - Input (Min):	8V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck, Boost, Flyback
Output Configuration:	Positive or Negative
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Part Status:	Active
Packaging:	Tube

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The LT1076IT#PBF is a high-frequency, synchronous step-down switching regulator from Linear Technology that draws from an adjustable output voltage range of 0.6 V to 10 V. It is a modern-day buck regulator with an input voltage range of 4.4 V to 18 V, making it suitable for a wide range of applications. LT1076IT#PBF switches at 1.2 MHz making it suitable for various Power Management Integrated Circuits (PMICs) implementing DC-DC (Direct Current-Direct Current) switching regulators. Fast switching of the DC-DC converter module and no external resistor dividers needed for lower output voltage settings makes this component a cost-effective choice for board-level design and miniaturization. It is often used in critical power applications such as those used in medical equipment, wearables, and mobile devices and displays. External components used with the LT1076IT#PBF include coils and capacitors to control inductor current as well as output oscillation and stability. Additionally, the component requires the use of a power MOSFET and Schottky diode as well. The LT1076IT#PBF’s output current rating is 2.5 A, with a maximum output peak current of 4 A. Its maximum efficiency is 96%. It has a Vout pin that is externally adjustable so that the output voltage can be set according to the system’s needs. Its operating temperature is from -40°C to +125°C, with a thermal shutdown protection feature should the temperature exceed the operating range. The LT1076IT#PBF’s working principle involves the oscillator running at 1.2 MHz, and DC switching set between the input and output. This happens when the oscillator turns and the lower switch is enabled. The charge pump then turns on. When the oscillator returns to its idle state, the lower switch turns off, and the upper switch turns on and charges the inductor. This enables the current to flow from the input to the output. When the duty cycle is up, the upper switch is turned off and the charge pump turns off. The output voltage is determined by the duty cycle setting. The inductor then discharges power through the output capacitors while controlling the output voltage. The LT1076IT#PBF is a modern-day buck regulator with a wide range of applications, wide input voltage range, and efficient current-steering performance. Its efficient DC-DC switching makes it a cost-effective choice for board-level design and miniaturization applications. Its working principle, which comprises of oscillator, coupled current steering technique, and synchronous switching, makes it one of the most preferred components for various PMIC applications.

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