S-1142B32I-E6T1U

Current - Output:	200mA
Supplier Device Package:	6-HSOP
Package / Case:	6-SOIC Variation (0.154", 3.9mm Width), 4 Leads + 2 Fins
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current, Thermal Shutdown
Control Features:	Enable
PSRR:	45dB (100Hz)
Current - Supply (Max):	9µA
Current - Quiescent (Iq):	1µA
Series:	S-1142A/B
Voltage Dropout (Max):	0.72V @ 200mA (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.2V
Voltage - Input (Max):	50V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The S-1142B32I-E6T1U is a linear voltage regulator from semiconductor company Sanken. It is of the PMIC – Voltage Regulators – Linear family of products. The S-1142B32I-E6T1U is designed to provide a stable, 5V output supply from a wide input voltage range, from 4.5V to 40V. It has a high efficiency of over 95% and a wide temperature range operation from -40°C to 125°C.

Application Field

The PMICs – Voltage Regulators – Linear are typically used to drive low voltage circuits, such as microcontrollers, analog and digital signal processing circuits, etc. The S-1142B32I-E6T1U is used in various applications, such as automotive systems, medical equipment, industrial control, game console systems, consumer electronics, etc. It is capable of providing a stable output voltage to these applications even under harsh environmental conditions, making it an ideal choice for these applications.

Features

The S-1142B32I-E6T1U features a wide range of features that make it an ideal solution for a variety of applications.

• Wide operating temperature range from -40°C to 125°C
• High efficiency over 95%
• Wide input voltage range from 4.5V to 40V
• Internal power supply for the control loop
• Integrated over-current and over-temperature protection
• Excellent output voltage accuracy

Working Principle

The S-1142B32I-E6T1U is a linear voltage regulator, which uses a P-channel MOSFET as the main component. The voltage regulation principle of this device is relatively simple. The input voltage is applied to the gate of the P-channel MOSFET and the source is connected to the output voltage. The voltage at the source is then regulated by adjusting the gate voltage.The main control circuit of the S-1142B32I-E6T1U includes an internal oscillator and compensation circuits. The oscillator generates the frequency for the control loop, and the compensation circuits are responsible for the phase and gain compensation of the feedback loop. The output voltage is adjusted by internally monitoring the output voltage and comparing it to the reference voltage. When the output voltage is lower than the reference voltage, the gate voltage is increased, and when the output voltage is higher than the reference voltage, the gate voltage is decreased.

Conclusion

The S-1142B32I-E6T1U is a linear voltage regulator from Sanken, designed for high reliability and wide temperature range applications. It features an input voltage range of 4.5V to 40V, high efficiency over 95%, and a wide operating temperature range from -40°C to 125°C. The voltage regulation principle is based on the P-channel MOSFET and the integrated control circuit. The S-1142B32I-E6T1U is ideal for automotive systems, medical equipment, industrial control, game console systems, and consumer electronics.

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