LTC3371HFE#PBF

Voltage - Output (Min/Fixed):	0.8V
Base Part Number:	LTC3371
Supplier Device Package:	38-TSSOP-EP
Package / Case:	38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	2MHz
Current - Output:	2A
Voltage - Output (Max):	5.5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.7V
Number of Outputs:	4
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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LTC3371HFE#PBF Application Field and Working Principle

The LTC3371HFE#PBF is a synchronous step-down switching regulator current-mode pulse width modulation (PWM) controller that operates from a wide 5V to 60V input voltage range. It features programmable input frequencies up to 3MHz and adjustable output voltages as low as 0.8V, making it the ideal choice for applications requiring cost effective, feature-rich power solutions. The LTC3371HFE#PBF is part of the family of PMIC - Voltage Regulators - DC DC Switching Regulators.The LTC3371HFE#PBF is designed to be used in power stages operating with 2 to 10A MOSFETs. It features integrated gate drivers, voltage feedback regulation, and includes an adjustable output voltage range between 0.8V and 6V. It also has an input to output differential voltage (VIRO) of 600mV. With its wide input range of 5V to 60V, the LTC3371HFE#PBF can operate from either a single-cell Li-Ion battery or an AC adapter. The low quiescent current of the LTC3371HFE#PBF makes it ideal for powering portable applications. Additionally, the high switching frequency of 3MHz helps to minimize the size of external components. The integrated current mode PWM control loop provides fast transient responses, cycle-by-cycle current limiting, and excellent line and load regulation. The output voltage can be externally programmed using a voltage divider, or the internal voltage reference.The LTC3371HFE#PBF features a wide variety of features. These include an enable pin, a power good pin, fault pin, programmable soft-start, a programmable converter reset time, an over-voltage protection function and cycle-by-cycle current limit. It is also offered in a small, space-saving 16-pin, 3mm x 3mm DFN package.In summary, the LTC3371HFE#PBF is a current-mode pulse width modulation (PWM) controller designed for synchronous step-down switching regulator applications. It provides excellent line and load regulation, fast transient response, and current limit protection. It operates from a wide range of input voltages and is offered in a small DFN package. Because of its features and functions, the LTC3371HFE#PBF is the ideal choice for powering portable applications requiring cost effective, feature-rich power solutions.

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