SC195ULTRT

Voltage - Input (Max):	5.5V
Supplier Device Package:	8-MLPQ-UT (1.5x1.5)
Package / Case:	8-UFQFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	3.5MHz
Current - Output:	500mA
Voltage - Output (Max):	3.3V
Voltage - Output (Min/Fixed):	0.8V
Series:	--
Voltage - Input (Min):	2.9V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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SC195ULTRT Application Field and Working Principle

PMIC (Power Management ICs), including voltage regulators, address power supply design requirements of various applications. Voltage regulators are integrated circuits used to supply a constant, stable voltage to a load, regardless of the voltage present at the input. DC-DC switching regulators, like the SC195ULTRT, are a type of voltage regulator that is designed to provide a regulated output voltage, even if the input voltage changes. The SC195ULTRT is a 1A pulse width modulator/switching regulator IC that is designed with a wide input voltage range (3V to 40V). This regulator has a low quiescent current (4µA), along with robust output protection against loads beyond its maximum rating. The SC195ULTRT also features precision measurement and monitoring of input, output and other parameters with a reset and component safe-guard timer. This voltage regulator has a wide range of applications in many different industries. It can be used in industrial PCs, medical monitors, workstations, routers, and access points. It is also used in various consumer products such as game consoles, remote set-top boxes, wearables, wireless modems and routers. Additionally, the SC195ULTRT is a popular choice for application in automotive and IoT. The SC195ULTRT voltage regulator works by converting the fixed input voltage to a regulated output voltage that can be adjusted by means of external components, as well as controlling the current and switching frequency. The IC actively regulates the output voltage level, despite any deviation of the input voltage or load current. When the power is provided to the voltage regulator, the regulator is activated and the pulse width modulation (PWM) operation is enabled. When the input voltage is higher than the output voltage, the PWM switches to an on or off state at a constant switching frequency. This causes current to flow in the inductor and A_IN is connected to the input power rail. This charge causes a voltage drop across the inductor which, in turn, sets up a current in the output capacitor. The voltage across the capacitor then rises as the charge builds up until it reaches the reference voltage. At that time, the A_IN gate\'s voltage drops and the PWM switches off. The magnetic field in the inductor then dissipates, creating a voltage in the output capacitor that is set to the reference voltage. The SC195ULTRT regulator also features high efficiency due to its synchronous rectification without any secondary schottky diodes. Additionally, the integrated thermal compensation provides stable operation even in a wide temperature range. The temperature sensing is linked to a temperature trimming pin, allowing the voltage output to remain steady and precise over the specified temperature range. In conclusion, the SC195ULTRT is a versatile and efficient voltage regulator IC with a wide range of applications. Its variable input voltage range and precise output voltage control make it well suited for a variety of consumer and automotive products. It is also characterized by a low quiescent current, robust output protection and precise parameter measurement/monitoring capabilities. It is also designed with high efficiency, temperature compensation and reset and component safe-guard timers. To make the most of its advantages, it is important to make sure that the SC195ULTRT is handled and installed correctly.

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