S-1112B22MC-L6HTFU

Current - Output:	150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
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):	0.35V @ 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:	Active
Packaging:	Tape & Reel (TR)

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Introduction to S-1112B22MC-L6HTFU

The S-1112B22MC-L6HTFU is a low dropout (LDO) linear voltage regulator. It is part of a series of LDO regulators produced by Seiko Instruments, Inc. The voltage regulator is specifically designed to provide a regulated output voltage of 3.3V with an input voltage range of 1.6V - 22V.

Applications

The S-1112B22MC-L6HTFU is suitable for use as an input for portable equipment, cellular phones, digital cameras, and other battery-powered applications. It can also be used in automotive, industrial, or medical equipment requiring low noise and high-efficiency voltage regulation. Since it has a high power dissipation, it is ideal for power supplies capable of supplying high currents for multiple output voltage applications.

Working Principle

The S-1112B22MC-L6HTFU uses a low dropout (LDO) linear voltage regulator design. In this design, the output voltage is determined by the ratio of two resistors, one being a variable resistor. The variable resistor is used to adjust the reference voltage in order to obtain the desired output voltage.The input voltage is applied to the positive terminal of a voltage reference, and the output voltage is taken from the other terminal. When the input voltage is higher than the output voltage, a current flows through the series combination of the resistor and the variable resistor, and the excess energy is dissipated as heat. A feedback control loop keeps the output voltage at the desired level. The voltage reference compares the output voltage to its reference voltage and, if there is a difference, increases or decreases the current through the series combination of the resistor and the variable resistor, thus adjusting the output voltage.

Features

The S-1112B22MC-L6HTFU has a number of features that make it a desirable choice for any voltage regulation application. These include: • Low dropout voltage: Its low dropout voltage means that the device can maintain accurate output voltage even with a wide range of input voltages.• Low output noise: Its low output noise ensures that the device won’t interfere with other electronics in the circuit• High power dissipation: Its high power dissipation allows for use with high current applications• Current limiting protection: It is equipped with a current limiting protection circuit to prevent over-current damage• Over-temperature protection: It is equipped with an over-temperature protection circuit to prevent damage from overheating• Load regulation: It can provide excellent load regulation, ensuring that the output voltage remains accurate and stable even with varying loads• Stable output voltage: It can provide a stable output voltage over temperature and time.

Conclusion

The S-1112B22MC-L6HTFU is a low dropout (LDO) linear voltage regulator designed to provide a regulated output voltage of 3.3V with an input voltage range of 1.6V - 22V. It is suitable for use in portable equipment, cellular phones, digital cameras, automotive, industrial, and medical equipment requiring low noise and high-efficiency voltage regulation. It is equipped with a number of features designed to provide reliable and accurate voltage regulation, including low dropout voltage, low output noise, high power dissipation, current limiting protection, over-temperature protection, load regulation, and stable output voltage over temperature and time.

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