Series:	S-1142A/BxxH
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	50V
Voltage - Output (Min/Fixed):	2.85V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.82V @ 200mA
Current - Output:	200mA
Current - Quiescent (Iq):	2.5µA
Current - Supply (Max):	9µA
PSRR:	45dB (100Hz)
Control Features:	Enable
Protection Features:	Over Current, Thermal Shutdown
Operating Temperature:	-40°C ~ 105°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-SOIC Variation (0.154", 3.9mm Width), 4 Leads + 2 Fins
Supplier Device Package:	6-HSOP

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PMIC - Voltage Regulators - Linear

The S-1142B2JH-E6T2U is a Linear Voltage Regulator that offers an adjustable output voltage capability. It is designed to provide a regulated output voltage over a wide range of input voltages and temperatures. The S-1142B2JH-E6T2U is a three-terminal voltage regulator which features an on-board adjustable current limiter, error flag monitoring, and thermal shutdown. This regulator can be used to provide a regulated output voltage as low as 0.8V or as high as 6.0V depending on the voltage applied to the Adjust pin.

Application Field

The S-1142B2JH-E6T2U Linear Voltage Regulator is suitable for a wide range of applications. It can be used in power supplies for controlling voltage levels, in telecommunications circuits for providing a stable voltage output and in measurement and control circuits for driving a wide range of loads. It can also be used in portable and mobile devices to provide regulated power supplies in low power designs.

Working Principle

The S-1142B2JH-E6T2U is based on a linear voltage regulator architecture. It consists of two transistors that are connected in series to a ground reference voltage and a voltage divider consisting of two resistors. The output voltage is a function of the input voltage and the resistor values. The transistor acts as an active load, allowing the regulator to compensate for changes in the input voltage, which can vary due to temperature or load changes.The adjustable current limiter allows the output current to be adjusted to accommodate varying load requirements, allowing the S-1142B2JH-E6T2U to be used in both constant current and constant voltage applications. The error flag monitoring circuitry monitors the output voltage and will flag any output voltage levels out of the specified range. The thermal shutdown circuit prevents the device from entering into a condition of excessive temperature by powering off the device if the temperature exceeds a predetermined threshold.

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