LM3704XBBP-232

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	20 ms Minimum
Voltage - Threshold:	2.32V
Operating Temperature:	-40°C ~ 85°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	9-VFBGA
Supplier Device Package:	9-µSMD (1.41x1.41)
Base Part Number:	LM3704

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Introduction: A Supervisor, or Power Management Integrated Circuit (PMIC), is an integrated circuit that helps control and manage the power supply system of an electronic device. The LM3704XBBP-232 is a supervisor IC used to provide power supply regulation and over-current protection through digital programming and output pin control. This device is specifically designed for high-speed serial interfaces, digital systems, and microcontroller designs that require a reliable and cost-effective solution for power supply regulation and over-current protection.

Features of LM3704XBBP-232

• Low quiescent current for ease of power management
• Power supply regulation and over-current protection through digital programming and output pin control
• User-selectable voltage output range from 4V to 40V
• Real-time voltage and current monitoring with protection flags
• Reverse-current protection
• High-side power switch with current sense
• Programmable dead-time control
• Lead free and RoHS compliant package

The Application Field of LM3704XBBP-232

The LM3704XBBP-232 is a high-speed supervisor IC designed for use in a variety of applications includingpoint-of-load converters, over-current protection circuits, local power bus management circuits, and other power supply network architectures. It is particularly useful in applications where there is a need to monitor and regulate voltage levels in a cost-effective manner. In addition, it can be used to help reduce the cost associated with additional components such as DC-DC converters or other power related accessories.

Working Principle of LM3704XBBP-232

The working principle of LM3704XBBP-232 can be summarized as follows:

• The power supply system of the device is powered in two stages: first, the output voltage is generated and the output voltage is regulated by a power converter;
• The LM3704XBBP-232 is responsible for monitoring the system\'s output voltage, current and temperature and providing appropriate protection.
• If any of these parameters exceed the set thresholds, the device will take necessary actions to protect the system.

The LM3704XBBP-232 is fitted with a control logic unit which uses digital programming to control and manage the power supply system of the device. The control logic unit also allows for user-defined settings such as voltage, current, and temperature levels. When any of these settings is breached, the LM3704XBBP-232 can activate its reverse current protection or act as a high-side power switch with current sense. In addition, the LM3704XBBP-232 can be programmed with dead-time control to reduce the risk of false trips due to inrush currents.

Conclusion: The LM3704XBBP-232 is a high-speed, cost-effective supervisor IC specifically designed for applications requiring monitoring, regulation and over-current protection of power supply systems. Its versatility, flexibility, and capability to be programmed according to user-defined parameters makes it an ideal choice for applications requiring reliable power supply regulation.

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