LTC3707IGN-SYNC

Voltage - Supply (Vcc/Vdd):	4.5 V ~ 28 V
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Frequency Control, Power Good, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	99.4%
Frequency - Switching:	220kHz
Series:	--
Output Phases:	2
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tube

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LTC3707IGN-SYNC Application Field and Working Principle The LTC3707IGN-SYNC is a DC-DC switching controller designed by Linear Technology Corporation (LTC) for use in Point-of-Load (POL) applications. It is one of the latest products from the company and has a lot of advantages over other DC-DC switching controllers. It has very low power dissipation, which allows for a high degree of power efficiency and superior system performance. Moreover, it is also very small, making it very suitable for POL applications. This LTC3707IGN-SYNC DC-DC switching controller is a complete controller that includes voltage feedback, current-mode control, synchronous rectifiers, bootstrap circuits, and a standby controller. With these components, it can accurately regulate the output voltage of the power supplies. It can support a wide range of output voltages, ranging from 0.7V to 5.5V. It also has many features like programmable slew rate, programmable soft-start, and overvoltage protection. It also works with a high degree of accuracy, ensuring that the power is delivered to the load as efficiently as possible. The LTC3707IGN-SYNC uses a synchronous approach to achieve high power efficiency and high power density. This is achieved by employing two synchronous rectifiers, one on each side of the output stage. The two synchronous rectifiers operate in parallel and are driven by a single pulse-width modulated (PWM) signal. This allows the LTC3707IGN-SYNC to operate with a maximum switching frequency of up to 500KHz. The LTC3707IGN-SYNC also has a power saving feature that can shut down the power supply when it is not in use. This feature is called the "programmable sleep" mode and helps to effectively reduce the power consumption of the device when it is not in use. This feature also ensures that the device operates with a high degree of efficiency, even during quiescent periods. The LTC3707IGN-SYNC DC-DC switching controller also features a voltage tracking system, which monitors the output voltage of the power supply and adjusts the voltage level accordingly. This feature helps to maintain the stability of the power supplies, even when the load changes. Overall, the LTC3707IGN-SYNC is a very advanced DC-DC switching controller that provides a high degree of power efficiency and superior system performance. With its wide range of features and low power dissipation, it is a very suitable choice for Point-of-Load (POL) applications.

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