TL1963A-18KTTR

Current - Output:	1.5A
Base Part Number:	TL1963A-18
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
Control Features:	Enable
PSRR:	63dB (120Hz)
Current - Supply (Max):	80mA
Current - Quiescent (Iq):	1mA
Series:	--
Voltage Dropout (Max):	0.55V @ 1.5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TL1963A-18KTTR Application Field and Working Principle

The TL1963A-18KTTR is a specially designed low dropout voltage regulator tagged a precision low dropout three-terminal adjustable linear regulator. This type of device is a type of power management integrated circuit (PMIC) voltage regulator that is used in electronic devices or other electronic circuits requiring precision voltage control. As a linear voltage regulator, the TL1963A-18KTTR is an analog circuit that has a unique working principle and application field.

Application Field

The TL1963A-18KTTR is capable of offering a wide range of output voltages and is often recommended for low power load applications. This device is frequently used in equipment like automotive audio systems, navigation systems, consumer applications, and portable electronics, to name a few. The load current capability of this PMIC voltage regulator makes it a more reliable choice compared to other types of voltage regulators, such as Zener diode and switching DC/DC converters.

Input Voltage Range and Capability

The TL1963A-18KTTR has an operating input voltage range from 7V to 18V and an absolute maximum input voltage of 20V. The maximum output voltage is limited by the input voltage and is set according to a ratio of 2.5V to 18V, with the minimum output voltage being 2.5V. This means that if the input voltage drops, the output voltage will be affected and reduced accordingly.

Load Transient Performance

The TL1963A-18KTTR has an excellent load transient performance, which means that the voltage regulator can handle overcurrent and overvoltage load transients that can occur during operation. The output short circuit protection feature in this device will limit the output current to a safe level, protecting both the device and the connected components.

Dropout Voltage

The TL1963A-18KTTR low dropout voltage regulator has one of the lowest dropout voltages available in a PMIC voltage regulator. This makes the device ideal for low current applications where the input voltage is close to the output voltage. The dropout voltage can range from 0.5V to 0.7V, depending on the load current.

Output Voltage Accuracy

The TL1963A-18KTTR voltage regulator offers excellent output voltage accuracy, with a reference accuracy of 7.1mV. The accuracy of the output voltage is maintained regardless of the temperature. The regulation of the voltage is carried out on the output side by means of a resistive divider network.

Temperature Range

The TL1963A-18KTTR has an operating temperature range from -40 to +85 degree Celsius and is suitable for use in extreme temperature environments. The device can also be used in environments where the temperature can fluctuate rapidly, as the thermal protection feature will protect the device from any damage due to excessive temperatures.

Working Principle

Like most linear voltage regulators, the TL1963A-18KTTR works on the principle of adjusting the output voltage through the resistance of resistors connected in series with the output voltage. The device has an internal closed loop voltage reference and an error amplifier with feedback circuitry that monitors and adjusts the output voltage. The TL1963A-18KTTR\'s output voltage can be adjusted to meet the desired voltage level through the adjustment of the resistors connected in series. The TL1963A-18KTTR PMIC voltage regulator has an adjustable output voltage range of 2.5V to 18V, and can handle up to 100 mA of output current. Its low dropout voltage, load transient performance, and excellent output voltage accuracy make it a great choice for low current applications. This PMIC voltage regulator is also suitable for use in extreme temperature environments and has internal protection circuitry to prevent damage due to excessive temperatures.

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