ISL6402AIRZ-TK

Voltage/Current - Output 3:	Controller
Base Part Number:	ISL6402
Supplier Device Package:	28-QFN (5x5)
Package / Case:	28-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply:	4.5 V ~ 24 V
w/Sequencer:	Yes
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	Controller
Voltage/Current - Output 1:	Controller
Frequency - Switching:	1.4MHz
Number of Outputs:	3
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (2), Linear (LDO) (1)
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - Linear + Switching

The ISL6402AIRZ-TK is a versatile voltage regulator typically used in many embedded and industrial applications. This device is capable of voltage control from a minimum of 0.6V to a maximum of 20V and can source up to 2A of current. The device also includes over voltage protection (OVP) and current limiting. This makes it the ideal choice for applications that require reliable power regulation in a compact space.This device integrates many of the features of linear regulators and switching regulators into one IC. This integration provides the convenience of a single-chip solution with the high performance of a linear regulator. The combination of these two regulator types gives the engineer the flexibility to select the most appropriate topology for their application based on performance and size limitations.To understand the working principle of the ISL6402AIRZ-TK we need to look at the two primary components of a voltage regulator: the power transistor and the control circuit. The power transistor is responsible for maintaining a constant voltage output by modulating the current flowing through it. The current through the power transistor is controlled by the control circuit, which compares the output voltage to a reference voltage. If the output voltage is higher than the reference, the control circuit will reduce the current through the power transistor, thereby reducing the output voltage. If the output voltage is lower than the reference, the control circuit will increase the current through the power transistor, thereby increasing the output voltage.The ISL6402AIRZ-TK utilizes an internal control circuit to provide a stable voltage output from a wide range of inputs and with a wide range of loads. The device also includes a variety of features to further enhance the performance of the regulator. One such feature is the integrated over voltage protection (OVP) and current limiting, which prevents the regulator from outputting voltages that are higher than the desired voltage or which could draw too much current from the power supply. Another important feature of this device is its low dropout capability. This allows the device to regulate the output voltage even when the input voltage is very close to the output voltage. This is especially useful in applications where the input voltage may vary significantly.In addition to the power transistor and control circuit, the ISL6402AIRZ-TK also includes a driver circuit to control the power transistor. The driver circuit operates in a range of 0.6V to 20V and can source up to 2A of current. The feature also provides an adjustable current limit and thermal protection. This makes the device ideal for applications that require reliable power regulation in a compact space.The ISL6402AIRZ-TK provides the engineer with a highly reliable and versatile voltage regulator solution. The combination of linear and switching regulation, integrted driver circuit, OVP, and current limiting provides excellent performance for a wide range of applications. The low dropout capability, adjustable current limit, and thermal protection ensure that this device is reliable even under the most demanding conditions. This makes the ISL6402AIRZ-TK an ideal solution for applications such as embedded systems, industrial systems, and consumer electronics.

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