TLE4678GM

Current - Output:	200mA
Base Part Number:	TLE4678
Supplier Device Package:	PG-DSO-14
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Reset, Watchdog
PSRR:	65dB (100Hz)
Current - Supply (Max):	8mA
Current - Quiescent (Iq):	80µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.35V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	45V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The TLE4678GM is a voltage regulator designed to provide a regulated output voltage while providing even greater levels of stability and protection compared to similar regulators from other manufacturers. This voltage regulator is used in a wide variety of applications and is primarily used in the automotive, industrial and medical fields. This article will discuss the application fields and working principles of this particular device.

Voltage Regulation Method

The TLE4678GM is a linear voltage regulator, which means that it works by linearly varying the voltage to get a regulated output voltage. This regulator is capable of regulating the voltage between 1.25 V and 18 V with an adjustable output voltage (AOV) of 0.3 V to 8 V. The device also offers voltage tracking and current-limiting protection features.

Application Fields

The TLE4678GM is used in a wide range of applications, including automotive, industrial, and medical systems. In the automotive field, the device is used to regulate voltage in fuel pumps, electronic throttle control systems, and heated oxygen sensors. In the industrial field, it is used in power supplies, switch-mode power supplies, and in electric motors. In the medical field, the devices is used in pacemakers and ventilators.

Working Principle

The TLE4678GM works by utilizing an internal voltage reference voltage and an error amplifier. The reference voltage is used to compare the input voltage to the desired regulated output voltage. The error amplifier is then used to amplify the difference between the two, which is then fed to the control section of the device. The control section then regulates the output voltage by nullifying this amplified difference.The device also offers protection features such as short-circuit protection, thermal overload protection, and overvoltage protection. This helps prevent damage to itself and the system in which it is employed.

Conclusion

The TLE4678GM is a linear voltage regulator that is used in a variety of applications, primarily in the automotive, industrial and medical fields. It utilizes an internal reference voltage and an error amplifier to provide a regulated output voltage. The device also offers a variety of protection features, such as short-circuit protection and thermal overload protection, to help prevent damage to the device itself and the system in which it is employed.

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