S-1112B42PI-L7BTFU

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):	4.2V
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

The S-1112B42PI-L7BTFU is a Linear Voltage Regulator, also referred to as an LDO regulator (Low-Dropout), which can provide a highly regulated and adjustable output voltage. It is part of a family of PMIC (Power Management Integrated Circuits) products designed and manufactured by DECA, a world-class manufacturer of semiconductors, power semiconductor components and analog and power systems. This particular voltage regulator is designed to be compact, low power, and highly reliable.

Application Field and Working Principle

The S-1112B42PI-L7BTFU is specifically designed to replace the traditional discrete bridge rectifier and linear voltage regulator combination, delivering a higher efficiency, smaller package, and lower costs for modern electronic systems. It can be used in a variety of applications, such as powering charge pumps and low-voltage CPUs, providing a stable output voltage for systems applications such as Set Top Boxes and VoIP (Voice over IP) systems. In addition, this voltage regulator is ideally suited for a variety of applications, such as PDA and automotive infotainment systems.The S-1112B42PI-L7BTFU uses the Linear Voltage Regulator Model to regulate voltage output. It has an adjustable output voltage, which is obtained by using an internal voltage reference that is compared to an external voltage divider. This voltage divider is connected to the output, and the reference voltage is applied to the negative input of the regulator circuit. When the output voltage is greater than the reference voltage, the regulator will reduce the output voltage until it reaches the reference voltage.Another important feature of the S-1112B42PI-L7BTFU is its high ripple rejection capability. Using an integrated low-pass filter, it can reduce the amount of ripple in the output voltage to less than 50 microvolts, ensuring high stability of the output voltage. In addition, the device also provides a high level of protection against over-current, over-voltage, and reverse-bias conditions.

Summary

The S-1112B42PI-L7BTFU is a linear voltage regulator designed and manufactured by DECA, which can provide a highly regulated and adjustable output voltage. It is compact, low power, and highly reliable, and can be used in a variety of applications, including powering charge pumps and low-voltage CPUs, and providing a stable output voltage for systems applications such as Set Top Boxes and VoIP (Voice over IP) systems. This linear voltage regulator features an adjustable output voltage, high ripple rejection capability, and a high level of protection against over-current, over-voltage, and reverse-bias conditions.

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