S-1167B22-I6T2G

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:	70dB (1kHz)
Current - Supply (Max):	16µA
Current - Quiescent (Iq):	900nA
Series:	S-1167
Voltage Dropout (Max):	0.35V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.2V
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Part Status:	Obsolete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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Introduction - The S-1167B22-I6T2G

The S-1167B22-I6T2G is a linear voltage regulator used as a core component in a variety of applications such as switching power supplies, TV receivers, LED outdoor lighting systems, PDAs, and other embedded computing devices. It has a wide range of input voltages (from 8V to 25V), a low power consumption (turns off at 1.2μA), and an accurate voltage output (±2% error). A few of its features include its capability for thermal protection, current limiting and shutdown, in addition to its built-in thermal shutdown circuit.

S-1167B22-I6T2G Application Field And Working Principle

The S-1167B22-I6T2G is a polysilicon N-channel MOSFET linear regulator. It is typically used as part of an AC-DC converter in an automotive, communication, and industrial power electronics applications. It features a low quiescent current and accuracy of ±2%. The device is also capable of limiting output current, as well as protecting its inputs and outputs from overvoltages and other potential faults.The device consists of a MOSFET pass element, a zener diode, and a feedback circuit. The MOSFET pass element consists of a polysilicon N-channel MOSFET, connected in a common-drain configuration. Its gate voltage is determined by the voltage across the reference diode, which is part of the feedback circuit. The output of the MOSFET pass element is connected to the output of the device, where its voltage is determined by the zener diode.The feedback circuit works by comparing the reference voltages of the two diodes. If the voltage on the output is below the reference voltage of the reference diode, the gate voltage of the MOSFET is reduced, allowing more current to pass through the MOSFET, thus increase the output voltage. Conversely, if the voltage on the output is higher than the reference voltage of the reference diode, the gate voltage of the MOSFET is increased, thus reducing the current allowed to pass through the MOSFET, thus reducing the output voltage.

Conclusion

The S-1167B22-I6T2G is a linear voltage regulator used as a core component in a variety of applications. It has a wide range of input voltages, a low power consumption, and an accurate voltage output, as well as an array of safety features such as current limiting and thermal protection. It contains a MOSFET pass element, a zener diode, and a feedback circuit which work in unison to create a highly reliable voltage control at the output, regardless of the input voltage.

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