S-8533A41AFT-TB-U Integrated Circuits (ICs)

Voltage - Supply (Vcc/Vdd):	2.7 V ~ 16 V
Supplier Device Package:	8-TSSOP
Package / Case:	8-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	100%
Frequency - Switching:	300kHz
Series:	--
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The S-8533A41AFT-TB-U is a DC DC Switching Controllers compliant with the P-Mic or Voltage Regulators requirements. This switching controller features a power factor correction (PFC) controller for ac-dc power supply applications and an auto standby control circuit that reduces the quiescent current. It also provides a wide range of management functions including overload protection, overvoltage protection, overcurrent protection, short-circuit protection, and soft-start.The S-8533A41AFT-TB-U application field is primarily intended for consumer goods such as digital TVs, PC and A/V systems, cellular handsets, and digital cameras. It is also suited for automotive applications such as car stereos and other on-board electronic equipment.The S-8533A41AFT-TB-U features a PFC function that enables the improved conversion efficiency of a power supply and helps reduce noise and improve power quality. The automatic standby and standby current reduction circuit minimizes power consumption, helping to meet global environmental regulations. The S-8533A41AFT-TB-U also features a wide range of safety functions, including overload protection, overvoltage protection, overcurrent protection, short-circuit protection, and soft-start circuit.The working principle of the S-8533A41AFT-TB-U is based on the voltage regulator IC that controls an external MOSFET on time and off time by controlling the gate signals of the MOSFET. The MOSFET is then switched on/off keeping the output voltage stable. The PFC function regulates output voltage by controlling the peak inductor current of the PFC boosting circuit. It also provides protection functions to ensure the safety of the system.The S-8533A41AFT-TB-U improves the utilization of components, simplifies the circuit construction, and reduces the power consumption of the system. It is suitable for a wide range of ac-dc power supply applications, from 5V to 24V. The PFC controller and auto standby circuit of the S-8533A41AFT-TB-U make it an ideal power solution for a variety of consumer and automotive applications.

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