ISL23345TFRZ-TK

Memory Type:	Volatile
Base Part Number:	ISL23345
Supplier Device Package:	20-QFN (3x4)
Package / Case:	20-VFQFN Exposed Pad
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	70
Temperature Coefficient (Typ):	45 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	1.2 V ~ 5.5 V, 1.7 V ~ 5.5 V
Series:	XDCP™
Interface:	I²C
Resistance (Ohms):	100k
Number of Taps:	256
Number of Circuits:	4
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital PotentiometersDigital Potentiometers (also known as Potentiometer Rapid Control or VRCs) are electronic components that allow the user to adjust their resistance within an electrical circuit. The ISL23345TFRZTK is a digitally controlled programmable potentiometer, used to maintain a consistent source or sink current in a power electronic device or circuit.The ISL23345TFRZTK is used in a variety of applications, including power supply design, power conditioning, motor drive control, and battery management systems. It is a three terminal device, with a ground connection (analog) pin and two voltage input pins: one for setting the output resistance and one for setting the output current.The ISL23345TFRZTK is designed to provide a higher level of control over the output current than analog potentiometers. Its output is determined by a 16-bit data word that is programmed through its SPI interface. The output resistance is adjustable from 0-90 ohms, enabling the user to achieve a wide range of output levels.The ISL23345TFRZTK has an output current range of 1mA to 0.5A and is capable of supplying up to 6A. It is offered in two packages: a plastic (TQFP44) and metal (LQFP48). The device is also suited for low voltage operation, with a maximum voltage rating of 5V on its inputs and 6V on its outputs.The ISL23345TFRZTK is ideal for applications that require fast, predetermined output current changes, such as motor control systems and power electronics applications. It is also useful for battery management and thermal power control in industrial and telecommunications systems.The device has a wide operating temperature range of -40°C to +85°C, making it suitable for a variety of applications. The continuous output current rating is 2A and its typical off-state output impedance is 0.52uH. The device is also equipped with a wide range of protection features, such as over-voltage, over-temperature, current limit and reverse polarity protection, making it suitable for a wide range of applications.In terms of its working principle, the ISL23345TFRZTK is a digitally controlled programmable potentiometer. The output current is programmed into the device through its SPI interface, providing the user with a wide range of adjustability for their output current. The device also features an analog input voltage pin that enables the user to fine tune the output current range.The ISL23345TFRZTK is used in a variety of applications, from power supplies, motor drives and battery managements to telecommunications systems. Its wide operating temperature range, adjustable output resistance and protection features make it ideal for industrial settings. Furthermore, its programmable output control helps to provide precise output current levels and quick response times.

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