ISL6420BEVAL2Z

Series:	--
Part Status:	Active
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Non-Isolated
Voltage - Output:	3.3V
Current - Output:	10A
Voltage - Input:	4.5 V ~ 28 V
Regulator Topology:	Buck
Frequency - Switching:	300kHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	ISL6420B

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The ISL6420BEVAL2Z is an evaluation board that provides an easy way to evaluate the performance of the ISL6420BE, an off-line PWM controller. It is part of Intersil\'s family of telecom power supply solutions for AC/DC and DC/DC lithium ion battery charger applications. The board is designed to generate isolated closed-loop power supply designs with a single controller device. This evaluation board has a basic configuration based on a boost regulator and features buck high-voltage and buck low-voltage regulators. It provides a number of features and components to facilitate system design and testing, such as user-selectable current limit, power good indicator, protected frequency control, and adjustable soft start.The ISL6420BEVAL2Z application field is mostly used for telecom power supply solutions for AC/DC and DC/DC lithium ion battery charger applications. It has the capability to replace two necessary standard ICs required when designing a power supply for lithium-ion batteries. This evaluation board also offers design flexibility by allowing the output voltage to be adjusted externally using a single TRIAC for AC/DC and DC/DC applications, providing an ideal topology for achieving peak efficiency. The working principle of the ISL6420BEVAL2Z evaluation board involves a two-stage power conversion-boost and buck. The boost regulator is a high-efficiency PWM switching regulator that uses a transistor as a main switch. The regulator generates a high output voltage, which is then regulated by the buck regulator to obtain the required output voltage. The buck regulator is a low-power regulator, which can be used to either step-down or step-up the voltage. The current limit and power good indicator can be adjusted externally using the Jumpers. An integrated soft start feature is also provided. It also comes with a built-in EMI filter and Output voltage monitor.In conclusion, the ISL6420BEVAL2Z evaluation board offers a convenient and reliable solution for telecom power supply solutions for AC/DC and DC/DC lithium ion battery charger applications. It has an easy to set up design and offers support for different outputs like adjustable soft start, user-selectable current limit, power good indicator and protected frequency control.The high-efficiency boost regulator and the low-power buck regulator provide design flexibility for optimizing the output voltage. Overall, it is a great choice for design and assessment of the performance of the ISL6420BE off-line PWM controller.

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