LTC1682IS8-3.3#TRPBF

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	LTC1682
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	550kHz
Current - Output:	50mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	4.4V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - DC DC Switching Regulators

The LTC1682IS8-3.3#TRPBF is a switching regulator from Linear Technology Corporation. It offers a wide range of application fields and is designed for modern, high-performance switch regulated power supply applications. The part operates by controlling and switching a counter-electromotive force of various on-chip power transistors. The LTC1682IS8-3.3#TRPBF is designed to save power in high efficiency linear applications and can handle input currents up to 2A.The LTC1682IS8-3.3#TRPBF is a low-noise, high-efficiency, dc-dc switching regulator that operates with a switching frequency of 2500kHz. The part has an input voltage range of 8V - 25V, with an output voltage range of 3.3V ± 5%. It also features an adjustable voltage reference, low-noise PWM control, soft start, and frequency synchronization.The LTC1682IS8-3.3#TRPBF is used in a wide range of applications, such as automotive electronics, cellular telephones, appliances, gaming consoles, and computers. It is also suitable for medical systems, digital audio and video applications, and other digital signal processing applications.The working principle of the LTC1682IS8-3.3#TRPBF is that in each cycle of switching a power transistor is enabled, transferring energy from the input voltage to the output voltage. During this cycle the replacement current is adjusted based on the output voltage. The other switching transistors are enabled towards the end of the cycle, forcing the replacement current to return to zero. The LTC1682IS8-3.3#TRPBF uses both current and voltage modes to control the Switching input current to regulate the output voltage. In the current mode of operation, the output voltage is regulated by controlling the on-chip power transistor. In the voltage mode, the output voltage is regulated by controlling the gate-source voltage of the on-chip power regulator.In order to achieve its high efficiency, the LTC1682IS8-3.3#TRPBF also features a pulse-width-modulated (PWM) control loop, which actively monitors the output voltage and provides feedback. Using this feedback loop, the device can effectively regulate the output voltage even within a wide input voltage range, and under different load conditions.The LTC1682IS8-3.3#TRPBF also includes an adaptive soft start circuit, which ensures that the output voltage slowly reaches its steady state when the device is turned on. In addition, it features frequency synchronization, which allows the device to synchronize its switching frequency with an external clock, ensuring fast transient response and efficient operation while minimizing clock-induced noise.To sum up, the LTC1682IS8-3.3#TRPBF offers a wide range of application fields and is designed for modern, high-performance switch regulated power supply applications. It has an input voltage range of 8V - 25V, with an output voltage range of 3.3V ± 5%. With its high-efficiency operation, low-noise and low-power consumption, and advanced features, the LTC1682IS8-3.3#TRPBF is an ideal choice for many different applications.

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