S-1112B54PI-L7NTFG

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):	5.4V
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Part Status:	Obsolete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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IntroductionThe S-1112B54PI-L7NTFG is a linear voltage regulator, a kind of power management integrated circuit (PMIC ). It is a 3-pin low drop-out (LDO) voltage regulator, designed for space-constrained applications where power regulation is critical. It is unique among LDO regulators, featuring ultra-low on-resistance, extremely wide input voltage range and low power consumption. The S-1112B54PI-L7NTFG is specially designed for applications such as portable devices, industrial and automotive systems, mobile communications and telecom infrastructure.FeaturesDue to its integrated circuit (IC) design, the S-1112B54PI-L7NTFG has several noteworthy features. The first is its ultra-low on-resistance. It has a fast transient response and output current capability up to 150mA, even with an operating voltage of 1.8V or lower. This allows the S-1112B54PI-L7NTFG to meet the requirements of contemporary small devices and applications with stringent power requirements, such as active-matrix LCD systems.Additionally, the S-1112B54PI-L7NTFG has a very wide input voltage range. It is capable of operating with input voltages from 1.8V to 5.5V. It is also able to support a differential input voltage up to 17V. This wide input voltage range makes it suitable for use in multiple applications and allows for efficient operation even in harsh operating environments.Finally, the S-1112B54PI-L7NTFG has a low power consumption of only 16µA. This makes it ideal for battery powered applications that require precise regulation with minimal power draw.Application FieldThe S-1112B54PI-L7NTFG is designed to meet the regulations and power requirements of modern portable devices and applications while keeping power consumption low. It is suitable for use in applications such as wearable electronics, medical devices, wireless communications, digital audio/video systems, IOT and entertainment systems.The S-1112B54PI-L7NTFG is also suitable for use in harsh operating environments, such as automotive and industrial systems. Its wide input voltage range allows for efficient performance even in supply voltages with large voltage swings, low noise and high ripple.Working PrincipleThe S-1112B54PI-L7NTFG uses a proprietary 3-pin output voltage regulator configuration to regulate an adjustable output voltage in the range 1.2V-5.5V.The adjustable output voltage is generated by using a NMOS transistor as a variable resistor. The reference voltage is provided by a precision reference voltage source. The control voltage is then applied to the gate of the NMOS transistor to vary its resistance. This varies the amount of current passing through the transistor. In this manner, the current passing through the resistor is adjusted to achieve the desired output voltage.The S-1112B54PI-L7NTFG also features a low noise output voltage, so it is ideal for low noise applications, such as LCD and communication modules. The S-1112B54PI-L7NTFG also has a host of protection features to protect the device from inrush current, over current, over voltage, and short circuit.ConclusionThe S-1112B54PI-L7NTFG is a low drop-out voltage regulator and a kind of power management integrated circuit (PMIC). It is designed with an ultra-low on-resistance and extremely wide input range, making it suitable for various applications where power management is critical. It has a very low power consumption, continual output and over-temperature protection, perfect for low noise applications, such as wearables, medical and entertainment systems. This makes the S-1112B54PI-L7NTFG a great choice for powering a wide variety of applications.

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