S-1172B37-E6T1G

Current - Output:	1A
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:	60dB (1kHz)
Current - Supply (Max):	90µA
Current - Quiescent (Iq):	1µA
Series:	S-1172
Voltage Dropout (Max):	0.1V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.7V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

The S-1172B37-E6T1G is a linear voltage regulator integrated circuit designed to be used in a variety of applications. This IC is an excellent choice for a wide range of voltage regulation and jitter attenuation requirements. It is also a great choice for improving power efficiency and temperature stability. In this article, we will discuss the S-1172B37-E6T1G\'s application field, as well as its working principle.

Application Field of S-1172B37-E6T1G

The S-1172B37-E6T1G voltage regulator integrated circuit is widely used in industrial applications where errors from voltage ripples and line regulation are unacceptable. These applications include fuel cell controllers, airbag controllers, transponders, ignition systems, and engine control systems. The S-1172B37-E6T1G provides a fixed output voltage of either 3.3V or 5V, depending on the application. Additionally, the IC is designed to reduce ripple noise and jitter, allowing for more reliable operation and more efficient conversions.The IC is also designed to work well in high-temperature environments. Its circuit layout is designed to improve thermal performance and the integrated over-temperature protection ensures that the IC will not be damaged due to extreme temperature fluctuations. The low-battery protection allows the IC to automatically identify a low-voltage input and shut down, protecting the device from any damage.

S-1172B37-E6T1G Working Principle

The S-1172B37-E6T1G is a linear voltage regulator which uses a two-transistor structure to provide a continuous regulated output voltage. It is designed to maintain a steady voltage output as the input voltage varies. The IC has two main sections, the control section and the regulating section.The control section is responsible for controlling the output voltage. It consists of two transistors and an external resistive divider. The two transistors form an error amplifier circuit, which compares the output voltage to a reference voltage. If the output voltage drops below the reference voltage, the transistors will pull the output voltage back up. On the other hand, if the output voltage rises above the reference voltage, the transistors will lower the output voltage.The regulating section is where the output voltage is actually generated. It consists of an output transistor, a resistor, and a capacitor. The output transistor is connected to the output voltage and is used to regulate it. The resistor and capacitor form a filter circuit which reduces noise and ripple in the output voltage.

Conclusion

The S-1172B37-E6T1G is a linear voltage regulator designed for a variety of applications. It provides a fixed output voltage, low-battery protection, and improved thermal performance, which make it an excellent choice for industrial applications. The IC uses a two-transistor structure to maintain a steady output voltage, and uses a resistor and capacitor filter circuit to reduce ripple.

The specific data is subject to PDF, and the above content is for reference