TPS79630KTTT

Current - Output:	1A
Base Part Number:	TPS79630
Supplier Device Package:	DDPAK/TO-263-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	59dB ~ 42dB (100Hz ~ 100kHz)
Current - Quiescent (Iq):	385µA
Series:	--
Voltage Dropout (Max):	0.35V @ 1A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS79630KTTT Application Field and Working PrincipleThe TPS79630KTTT from Texas Instruments is a low quiescent current, LDO linear voltage regulator. The device offers excellent line and load regulation, output accuracy, fast transient response and low dropout voltage. It is designed to provide low voltage solutions in telecommunications, industrial and consumer applications.The TPS79630KTTT is a 3.3V output, ultra-low current (1.7 microamps sleep mode) PVI linear voltage regulator. It provides one volt output accuracy and transient response of 15 μs. The device offers an adjustable output voltage (1.2V to 3.3V) and an adjustable tolerable maximum load current of 500mA. It has a wide input voltage range from 2V to 15V, making it suitable for a wider range of applications. The device has over-temperature protection and short-circuit protection.The device provides a low-dropout voltage and allows for efficient conversion of higher inputs to a stable lower voltage such as 3.3V. It is a low-cost, low-power design solution that can achieve high power savings and is suitable for long battery life applications.The device uses a voltage regulator to regulate the input voltage to a constant output voltage. This voltage regulator uses a linear voltage regulator topology. It is a passive linear-voltage regulator that uses a transimpedance amplifier to regulate the output voltage. The transimpedance amplifier has an input voltage source and an output stage. The input voltage source is used to adjust the output voltage while the output stage is used to provide the actual current output. The output voltage is then regulated by the control loop of amplifier, which senses the output voltage and adjusts the input voltage accordingly.The TPS79630KTTT is based on a PMOS P channel high-side current limiter topology. The PMOS FETs act as protective current regulators, and the overall current limit is supplied by two high-side NPN BJTs. The current limit is adjustable, and the maximum load current is adjustable up to 500mA, to support application specific requirements.The device has a high ripple rejection ratio (66dB), making it suitable for RF applications. Moreover, it provides a wide temperature range from -40oC to 105oC and offers protection against over temperature and short circuit.In conclusion, the Texas Instruments TPS79630KTTT is a low-current, LDO linear voltage regulator that provides excellent line and load regulation, output accuracy, fast transient response and low dropout voltage. It is designed to provide low voltage solutions in telecommunications, industrial and consumer applications. With its adjustable output voltage range and current limit, it is suitable for a wide range of applications.

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