S-8337ABBB-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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Introduction to S-8337ABBB-T8T1G

The S-8337ABBB-T8T1G is an integrated DC-DC switching controller designed for use in notebook PC applications. The device is designed to offer high power efficiency, low power dissipation, and outstanding thermal performance. The S-8337ABBB-T8T1G integrates a voltage regulator, low-side and high-side MOSFETs, and a controller. It also includes a number of default protections, such as over-voltage, over-temperature, and overcurrent protection.

S-8337ABBB-T8T1G Application Field

The S-8337ABBB-T8T1G is most suitable for use in notebook PCs and other DC-DC applications that require high efficiency and power dissipation. Its features make it well-suited for use in high-power load switching applications where reduced component count and extremely low power losses are desired. It can also be used with secondary-side supplies, providing a lower component count than other controllers.

S-8337ABBB-T8T1G Working Principle

The S-8337ABBB-T8T1G controller is based on setting voltages for different DC-DC modes, which means that the controller can easily switch between modes depending on user-defined settings. It uses voltage feedback to detect fluctuations in the output voltage. If a spike is detected in the output, the controller immediately initiates an over-voltage protection.The S-8337ABBB-T8T1G is a synchronous buck converter. It uses an output voltage reference to control the output voltage according to an input voltage. The controller contains a high-side MOSFET and a low-side MOSFET which can be used to control the input and output voltages. The high-side MOSFET turns on when the input voltage is below the set-point while the low-side MOSFET turns on when the output voltage is below the set-point. The controller also has an optional soft-start circuit which can be used to reduce output voltage overshoot.

Conclusion

The S-8337ABBB-T8T1G is a DC-DC switching controller designed for use in notebook PC applications that offers high efficiency, low power dissipation, and outstanding thermal performance. Its features make it suitable for use in high-power load switching applications as well as secondary-side supplies. The controller works by setting voltages for different DC-DC modes and using an output voltage reference to control the output voltage. It also includes default protections such as over-voltage and overcurrent protection to protect users from unexpected power spikes.

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