S-8337AAAA-T8T1G

Voltage - Supply (Vcc/Vdd):	1.8 V ~ 6 V
Supplier Device Package:	8-TSSOP
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit, Enable, Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	89%
Frequency - Switching:	257.4kHz ~ 1.134MHz
Series:	--
Output Phases:	1
Number of Outputs:	1
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Output Type:	Transistor Driver
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - DC DC Switching ControllersThe S-8337AAAA-T8T1G is a DC-DC switching controller designed to accurately control and regulate power within an application. The controller features an integrated current sense amplifier which allows for improved transient and system load response, thus providing the user with flexible power control. It also includes several integrated safety features, such as overvoltage protection and output short-circuit protection, to ensure stable, reliable operation. The controller is also designed to operate at higher temperature ranges, allowing for operations in higher temperature environments such as automotive applications.The S-8337AAAA-T8T1G DC-DC Switching controller operates in a voltage-mode PWM-like control scheme. This type of control scheme is considered a self-aligned control loop, meaning that the output voltage is accurately regulated and maintained even if the system receives no feedback. This control scheme allows for a more efficient operation and improved system stability, which is critical for battery operated systems where a more accurate voltage regulation is desired.In operation, the power sources are connected to a DC-DC switching controller, which is in turn connected to the VIN pin. This connection is used as the input voltage reference, and is used as the basis for calculating the duty cycle of the controller. The controller then uses the duty cycle applied to the power switch to adjust the output voltage or current. The duty cycle is chosen such that the output voltage is stable and meets the required voltage regulation.The S-8337AAAA-T8T1G DC-DC switching controller features a current sense amplifier which measures the current a power switch is set to draw. This can be used to adjust the duty cycle to regulate the output voltage or current to the desired value. In addition, the controller also has the ability to provide a low-side current sense signal which allows for accurate measurements of larger load current variants.The controller also features an integrated overvoltage protection circuit which prevents damage to components due to transients. It also includes output short-circuit protection to protect the regulator from being overloaded should an unexpected short-circuit occur. Finally, the controller also has an integrated soft-start circuit which prevents inrush current from occurring due to large capacitive loads.The S-8337AAAA-T8T1G DC-DC switching controller is a cost-effective, highly integrated solution which offers accuracy and stability in many applications demanding an efficient and reliable power regulation. Its features make it ideal for automotive, portable, and battery-powered applications. With its integrated current sense amplifier, it can be used to precisely measure and control power to meet the application requirements. The integrated safety features ensure a reliable operation while the wide temperature range makes it suitable for use in higher temperature environments. Overall, this controller is a flexible and reliable solution for DC-DC switching control.

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