S-8354A30MA-JQPT2G

Voltage - Input (Max):	10V
Supplier Device Package:	SOT-23-3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	50kHz
Current - Output:	300mA (Switch)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Series:	--
Voltage - Input (Min):	0.9V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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S-8354A30MA-JQPT2G Application Field and Working PrincipleS-8354A30MA-JQPT2G is a Polarity-Insensitive, 4-A, Step-Down DC-DC switching regulator from Toshiba Electronics. It is an innovative solution for applications such as mobile phones, TVs, SET-top boxes, and other portable electronic devices. It is categorized as a PMIC (Power Management Integrated Circuitry) Voltage Regulator, with a particular emphasis on DC-DC (Direct Current-Direct Current) Switching Regulation.Industry Applications of S-8354A30MA-JQPT2GS-8354A30MA-JQPT2G is designed for modern, creative applications that demand quick start-up and robust current drive reliably in portable devices. It specifically provides an output voltage adjustable from 0.6 V to 5 V, perfect for systems that need multiple voltage levels. It also has a ‘Pulse Shorter\' feature, which reduces noise, current consumption and component stress on battery devices while providing stable operation. This feature is suitable for applications such as portable multimedia devices where high input voltages are used. In addition to its low current consumption, this component also has a Tracking Mode feature which allows the input/output voltage to fluctuate with each other. This allows the component to automatically adjust the output voltage to maintain a specified ratio between input and output, a feature that comes in handy for power supply systems in consumer electronics.The component also provides a fixed operating frequency (fSW) with external PWM control. This allows for easy component tuning and improved thermal characteristics. In the PWM mode, the component is able to operate with low external component count for low standby power consumption, a feature that is beneficial for battery-powered applications. The component also features an Active Discharge function that provides a low voltage output on load disconnection, further improving the component\'s power saving and operating efficiency.S-8354A30MA-JQPT2G Working PrincipleThe S-8354A30MA-JQPT2G works in a very simple but effective way. It consists of two power elements; a power MOSFET and a Schottky diode. The MOSFET serves as the main switch, while the diode is used to carry off the inductive energy stored in the inductor on each cycle.The device is controlled by signals from a master control circuit. The signal is sent to the power MOSFET to turn it \'on\' and \'off\' according to the voltage level, switching the current flow and changing the output voltage. The signal goes either high or low depending on the input/output voltage ratio. When this voltage level is lower than the specified setpoint, the signal will be set to \'High\' to activate the MOSFET, which then allows current to flow from the input to the output. When the voltage level is higher, the control signal will be set to \'Low\', activating the Schottky diode and connecting the inductor to the output voltage, thus limiting the voltage rise. The PWM mode of this component uses a timer/counter clocked by a master clock. Toggling of the MOSFET is done through the output of the timer in order to precisely control the frequency of the switching. Moreover, the component has an enable/disable input and a reset input for external control over the component. The S-8354A30MA-JQPT2G is a powerful and efficient DC-DC switching regulator from Toshiba Electronics. It is suitable for various applications such as mobile phones, TVs, and other portable electronic devices. Its Pulse Shorter feature and its Active Discharge function help reduce noise and power consumption, improving its efficiency. With its adjustable output voltage, Tracking Mode, and PWM capability, it is a great solution for modern applications that require quick start-up, robust current drive and stable operation.

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