LT3509IMSE#TRPBF

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	LT3509
Supplier Device Package:	16-MSOP-EP
Package / Case:	16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	260kHz ~ 2.15MHz
Current - Output:	700mA
Voltage - Output (Max):	34.2V
Series:	--
Voltage - Input (Max):	36V
Voltage - Input (Min):	3.6V
Number of Outputs:	2
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Application Field and Working Principle of LT3509IMSE#TRPBF

DC DC switching regulators are a subset of power management integrated circuits (PMICs) and the LT3509IMSE#TRPBF model is a popular example of this technology. This device is used to regulate the voltage from a power source to ensure it is suitable for the end application.The LT3509IMSE#TRPBF is a dual-channel constant-frequency current mode step-down converter with integrated FETs. The wide input voltage range of 4.8V-90V makes it suitable for a variety of power sources, from battery packs to AC adapters. It features both sync and spread spectrum frequency synchronization, allowing the device to reduce EMI emissions.Each channel in the LT3509IMSE#TRPBF is rated for up to 5A continuous output current, with peak current ratings of up to 6.5A. The output voltage can be adjusted from 0.6V – 90V, making it suitable for a wide variety of applications. The switching frequency is adjustable up to 400kHz, so the device can be optimized for various output load and efficiency requirements.The LT3509IMSE#TRPBF has built in protections such as short-circuit protection, over-voltage protection and thermal shutdown. This makes the device suitable for a variety of applications including automotive. Additionally, the LT3509IMSE#TRPBF is AEC-Q100 qualified, making it suitable for use in the automotive industry.The LT3509IMSE#TRPBF features an internal current sense and low-noise compensation for output voltage accuracy. This makes the device suitable for a variety of sensitive applications. The device features integrated fast-transient response circuitry and wide range of soft start options for fast, smooth start-up and stable operation.Overall, the LT3509IMSE#TRPBF is a versatile and reliable DC-DC switching regulator that is suitable for a wide range of consumer, automotive and commercial applications. Its wide input voltage range and output power capabilities make it suitable for a variety of uses. Furthermore, the integrated protections and low-noise compensated current sensing make the device suitable for a variety of sensitive applications.

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