LTC3807HFE#PBF

Frequency - Switching:	50kHz ~ 900kHz
Base Part Number:	LTC3807
Supplier Device Package:	20-TSSOP-EP
Package / Case:	20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Operating Temperature:	-40°C ~ 150°C (TJ)
Control Features:	Current Limit, Enable, Frequency Control, Soft Start, Tracking
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	99%
Series:	--
Voltage - Supply (Vcc/Vdd):	4 V ~ 38 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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The LTC3807HFE#PBF is a buck-boost DC to DC switching controller for PMIC - Voltage Regulators - DC DC Switching Controllers. Its main application area involves supplying voltage from a supply with an input voltage range from 3.2V to 6V and an output current of up to 3A. The LTC3807HFE#PBF provides coverage for applications with varying power demands such as powering analog and digital circuits or powering telecom systems or medical imaging equipment.The LTC3807HFE#PBF is designed with a proprietary ad Synchronous Rectified Buck-Boost controller that provides tight regulation and high efficiency for the power transfer with minimal noise and harmonics. Its wide input voltage range allows it to process current up to 3A, making it suitable for powering a range of products from analog to digital circuits.The LTC3807HFE#PBF functions by resolving all loop control, cycle-by-cycle current limit and always-on soft-start functions internally and requires minimal external components such as a current sense resistor and two external capacitors. This controller also features an adjustable dead-time, allowing it to efficiently operate in all conditions, including loop start-up, line transient and load transients. Additionally, the dead-time prevents any momentary peak currents that may be seen on input supplies.The LTC3807HFE#PBF also incorporates a propagation delay protection feature to limit the peak current delivered to the load and supports a wide selection of fixed and adjustable output voltages. Furthermore, this device includes over current protection, over temperature protection and thermal shutdown protection to ensure safety of the applications powered by the LTC3807HFE#PBF.Overall, the LTC3807HFE#PBF is an excellent choice for applications requiring a reliable, efficient and low-noise operating supply with quick assembly. Its ability to maintain a stable output voltage during power up and down, as well as its wide input voltage range and its adjustable deadtime, makes it a great option for a variety of applications. Its inclusion of over-current protection, over-temperature protection and thermal shutdown protection makes it suitable for medical or industrial applications.

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