LT8390AIFE#PBF

Frequency - Switching:	645kHz ~ 2.1MHz
Base Part Number:	LT8390
Supplier Device Package:	28-TSSOP
Package / Case:	28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Current Limit, Frequency Control, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	95%
Series:	--
Voltage - Supply (Vcc/Vdd):	4 V ~ 60 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck-Boost
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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The LT8390AIFE#PBF is a DC-DC switching controller that is widely used in numerous applications due to its versatility and features. This device is a low-noise and high efficiency buck, boost, or buck-boost converter controller that can operate over a wide input voltage range of up to 28 V. It contains an integrated low-ripple spread-spectrum modulator that is effective in reducing conducted and radiated emitted noise. The integrated modulator can be programmed with varying spread spectrums, providing comprehensive range of output noise reduction in DC-DC converters.The LT8390AIFE#PBF is designed to provide visible and robust protection against current, power and thermal overloads. Its integrated protection features include cycle-by-cycle current limits, power foldback, hiccup over-current protection (OCP), and overtemperature protection (OTP). These protection features assist in preventing potential physical damage to the system.Due to its high accuracy, the LT8390AIFE#PBF delivers reliable operation in harsh environments. PGOOD has a built-in comparator that can detect voltage transients such as switching noise on the output rail.The high integration and current savings offered by the LT8390AIFE#PBF enable the design of power systems with reduced component size. The device integrates several analog and digital control components, such as linear regulators, enable and reference current limit, along with other power control features, into a single device. This reduces the number of components used, thus saving space and cost.The LT8390AIFE#PBF also comes equipped with a wide array of features to improve system reliability, including adjustable frequency operation, programmable slope compensation and soft start. These features helps to optimize the stability of the power system, minimize noise and inrush current, and reduce stress over its components.In summary, the LT8390AIFE#PBF is a reliable and efficient DC-DC switching controller that offers numerous features. It has a high accuracy, allowing it to provide reliable operation in harsh environments. The LT8390AIFE#PBF also offers integrated protection features, reducing the risk of physical damage. Furthermore, its high integration and current savings enables designers to create power systems with reduced component size, thus saving space and cost. With all its features, the LT8390AIFE#PBF is well suited for a wide range of applications.

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