LT1076IT-5#PBF

Voltage - Output (Min/Fixed):	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):	--
Series:	--
Voltage - Input (Max):	45V
Voltage - Input (Min):	8V
Number of Outputs:	1
Output Type:	Fixed
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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PMIC - Voltage Regulators - DC DC Switching Regulators

LT1076IT-5#PBF is a powerful integrated DC/DC switching regulator. It provides up to 5A current while operating with input volts from 8V to 35V. This high output current capability combined with its adjustable output voltage makes the LT1076IT-5#PBF ideal for a wide range of applications.

Applications

The LT1076IT-5#PBF is especially suitable for Step-Down (Buck) applications in a variety of industrial and consumer products. Examples include battery operated and hand-held devices such as cell phones, tablets, notebook and laptop computers, digital cameras, PDAs and other portable devices that require an efficient power supply with an adjustable voltage output. This versatile regulator can also be used in cars, airplanes and military applications.

Working Principle

The LT1076IT-5#PBF is a monolithic IC that combines a switching regulator and power MOSFET in one package. It uses a current mode Pulse Width Modulated (PWM) control topology, which consumes low power and makes efficient use of the input voltage. The output voltage of the LT1076IT-5#PBF is adjustable, so the user can set it to the optimal voltage level for their application. The IC also features short-circuit protection and thermal protection, which helps ensure reliable operation and prevents damage due to excessive current or temperature.

Performance Characteristics

The maximum operating current of the LT1076IT-5#PBF is 5A. It also has an adjustable output voltage range of 0.8V to 35V. The input and output ripple are both low, typically less than 1mV. The switching frequency of the device is adjustable, with a range of 100kHz to 1MHz. The efficiency of the LT1076IT-5#PBF is typically greater than 79%, with the highest efficiency at >90%. The quiescent current is typically less than 2mA and the typical operating temperature range of the device is –40°C to +125°C.

Summary

The LT1076IT-5#PBF is an integrated switching voltage regulator that operates with input voltages from 8V to 35V and provides up to 5A current. It is suitable for applications such as battery-powered and hand-held devices and is equipped with short circuit and thermal protection for reliable operation. It has a wide input voltage range, adjustable output voltage, adjustable switching frequency, high efficiency, and low ripple and quiescent current. All of these features make the LT1076IT-5#PBF an ideal choice for a wide range of DC/DC switching regulator applications.

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