S-1112B34PI-L6TTFG

Current - Output:	150mA
Supplier Device Package:	SNT-6A (H)
Package / Case:	6-SMD, Flat Leads
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current
Control Features:	Enable
PSRR:	80dB (1kHz)
Current - Supply (Max):	90µA
Current - Quiescent (Iq):	1µA
Series:	S-1112
Voltage Dropout (Max):	0.26V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.4V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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PMIC (Power Management Integrated Circuit) is a kind of integrated circuit that integrates a variety of functional circuits such as voltage regulator, battery management and power switch. PMIC perform the function of power management, voltage regulation, and system monitoring, enabling digital products to reduce power consumption, extend battery life and improve system stability.Linear regulators are widely used in PMICs as an efficient power supply. Linear voltage regulators provide a constant voltage output and use a pass element to achieve a constant output voltage. This type of regulator has good stability, low noise, low cost, and simple design. S-1112B34PI-L6TTFG is a type of linear voltage regulator with a wide adjustable output voltage range of 0.8V to 3.6V. Its output overload current is limited to 33mA, and its typical operating current is about 5mA.S-1112B34PI-L6TTFG has various application fields, such as telecommunications, wireless communications, automotive electronics, voice terminal, digital camera and other digital products. Its wide adjustable output voltage range makes it suitable for applications such as battery power supply, voltage-level translation, and low-voltage motor control.The working principle of S-1112B34PI-L6TTFG linear voltage regulator consists of a regulator circuit and a current limitation circuit. The regulator circuit contains an input PNP transistor, a voltage-stabilizing zener diode and an output PNP transistor. The current limitation circuit contains an NPN transistor, two resistors and two diodes connected in series.When the input voltage is higher than the output voltage, the PNP transistor is turned on, allowing current to flow from the input port to the output port via the series-connected resistance. The voltage drop of the resistance limits the output voltage to a predetermined voltage. The voltage-stabilizing zener diode maintains the output voltage in the range of 0.8V to 3.6V. At the same time, the NPN transistor, together with its series-connected diode and resistor, limits the output current to 33mA.When the output voltage exceeds the voltage-stabilizing zener diode breakdown voltage, the PNP transistor is turned off, and the NPN transistor is turned off as well. The voltage drop of the series-connected diodes creates a loop, and this loop limit the output current to 33mA.In summary, S-1112B34PI-L6TTFG is a linear voltage regulator with a wide adjustable output voltage range of 0.8V to 3.6V. Its output overload current is limited to 33mA, and its typical operating current is about 5mA. Its wide adjustable output voltage range makes it suitable for applications such as battery power supply, voltage-level translation, and low-voltage motor control. Its working principle consists of a regulator circuit and a current limitation circuit, and it ensures a stable output voltage, low noise, and low power consumption.

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