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):	2.8V
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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Introduction to S-1142B28H-E6T2U

The S-1142B28H-E6T2U is a Programmable Voltage Regulator (PMIC) designed and manufactured by Sanken Corporation. It is a linear voltage regulator that provides stable, accurate output voltage and current with a wide input voltage range. The device includes a programmable logic controller, voltage sensing, overvoltage protection and programmable frequency control features.

Application Field of S-1142B28H-E6T2U

The S-1142B28H-E6T2U PMIC is designed to provide accurate output voltages for a wide range of applications. It is suitable for use in automotive, industrial, construction, medical and safety critical devices. It can also be used in power management systems, power converters, portable electronic devices, measuring systems and communication devices. This PMIC can be used to regulate voltages from 4.5 V to 30 V and can be configured for voltage steps from 0.1 V to 0.5 V. It also features a low quiescent current of 10 μA at a no load condition and a high line regulation of 0.1%. The device has a typical operating temperature range of -40°C to +85°C.

Working Principle of S-1142B28H-E6T2U

The S-1142B28H-E6T2U is a linear voltage regulator that utilizes an inductor and switching transistors to regulate the output voltage. It uses two voltage feedbacks, one for the actual output voltage and one for the modulated error voltage, to generate the precisely regulated output voltage. The error voltage is compared to the voltage set by the programming circuit and the duty cycle of the switching transistors is adjusted accordingly. The S-1142B28H-E6T2U also features overvoltage protection, allowing it to shut down safely in the event of overvoltage. The current limitation prevents the output voltage from exceeding the user-programmable current levels, thus protecting the device from damage. The device also has a programmable frequency control feature, which allows for the frequency of the switching transistors to be adjusted to suit specific applications.

Conclusion

The S-1142B28H-E6T2U PMIC is a linear voltage regulator that is suitable for a wide range of applications. It features an operating voltage range of 4.5 V to 30 V and can be configured for voltage steps from 0.1 V to 0.5 V. It also has a low quiescent current of 10 μA and a high line regulation of 0.1%. The device has a programmable logic controller, voltage sensing and overvoltage feature for safety and programmable frequency control for various applications. This device is an ideal solution for providing stable, accurate output voltage and current in a variety of applications.

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