ADP2139CB-1.8EVALZ

Series:	--
Part Status:	Active
Main Purpose:	DC/DC, Step Down
Outputs and Type:	1, Non-Isolated
Voltage - Output:	1.8V
Current - Output:	800mA
Voltage - Input:	2.3 V ~ 5.5 V
Regulator Topology:	Buck
Frequency - Switching:	3MHz
Board Type:	Fully Populated
Supplied Contents:	Board(s)
Utilized IC / Part:	ADP2139
Base Part Number:	ADP2139

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ADP2139CB-1.8EVALZ is an evaluation board designed to evaluate the ADP2139 1.8MHz, high efficiency, self-oscillating buck (ViOt TM) regulator. It is designed to reduce the output voltage of a single-cell Li-ion or a two-cell Li-Pol battery to a lower voltage, such as the output voltage required for powering a Microcontroller or a digital signal processor.ADP2139CB-1.8EVALZ application field and working principle:ADP2139CB-1.8EVALZ Off-Line SMPS evaluation board can be used for a variety of applications such as handheld devices, industrial applications, consumer electronics, communication systems and power management systems. It is suitable for applications where high efficiency, small size, low EMI and cost effectiveness are required.The ADP2139CB-1.8EVALZ Off-Line SMPS consists of the ADP2139 1.8MHz, high efficiency, self-oscillating buck regulator. It is designed to drive one or two P-Channel MOSFETs in a synchronous buck topology, providing an output voltage range of 0.825V - 3.3V. The ADP2139CB-1.8EVALZ features an on-board 4A, FET-based synchronous buck regulator with integrated low-dropout over-voltage and over-current protection circuits.The evaluation board has an external input voltage range of 2.5V - 6V, making it suitable for most single-cell Li-ion and two-cell Li-Pol batteries. There are two distinct input power supply options: the high voltage option enables the input voltage range from 4V to 6V whereas the low voltage option enables the input voltage range from 2.5V to 4V.The ADP2139CB-1.8EVALZ evaluation board features an onboard 4A low EMI E-FET load, adjustable output voltage up to 3.3V, and an on-board output current monitor. The output voltage and current can be monitored and adjusted using the control interface located on the top of the evaluation board.The key features of the ADP2139CB-1.8EVALZ Off-Line SMPS evaluation board include: an input voltage range of 2.5V to 6V, 4A load drive capability, low EMI E-FET switch, adjustable output voltage up to 3.3V, on-board output current monitoring. Additionally, the board also includes various test points such as output voltage, output/input current, input UVLO voltage, output overvoltage/overcurrent, etc, allowing designers to monitor and optimize the board operation.In addition, the ADP2139CB-1.8EVALZ evaluation board is easy to use due to its optimized design. It is designed to use minimal circuit components, has a minimum number of external components, and uses high frequency components for reduced board size. The board also provides a complete power solution, including an on-board voltage regulator to ensure the board is stable and reliable.The ADP2139CB-1.8EVALZ Off-Line SMPS evaluation board is a cost-effective and reliable solution for users looking for a power conversion solution for their applications. Its high efficiency, small size, low EMI, and versatility make it an ideal choice for applications where small size, high efficiency, and cost effectiveness are required.

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