MAX16046ACB+T

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Introduction

The MAX16046ACB+T is a low-cost, low-power supervisor IC for portable electronics applications. It has an integrated monolithic 3.3V voltage reference and two open-drain FET outputs. It is available in both an 8-pin SOP and a 10-pin QFN package and operates over the -40°C to +85°C temperature range.

Application Field

The MAX16046ACB+T is designed to provide system reset protection in a variety of portable electronic applications, such as personal digital assistants (PDAs), or wireless/mobile phone systems. In these applications, the supervisor monitors the system voltage and provides a reset output when the voltage falls below an internal threshold. This reset output can be used to reset the system, preventing it from entering undefined operation.

The MAX16046ACB+T also has an integrated 3.3V voltage reference, which can be used to provide power to a microcontroller or other 3.3V logic device. The voltage reference is designed to maintain a tight tolerance over the entire operating temperature range.

Working Principle

The MAX16046ACB+T operates on a standard microprocessor power bus, with power being supplied by a battery or other power source. When power is applied, the supervisor will monitor the voltage and determine if it is above or below the preset trip point. If the voltage is below the trip point, the supervisor will activate the reset output and the system will reset. If the voltage is above the trip point, the supervisor will remain in its last known state and will not activate the reset output.

The MAX16046ACB+T has two reset outputs, SR1 and SR2, which are both open-drain N-channel MOSFETs. These outputs can be used to reset both the system and a microcontroller or other 3.3V logic device. The reset outputs will remain active until the voltage returns above the trip point, at which point they will automatically deactivate.

The MAX16046ACB+T also has an integrated voltage reference, which is designed to maintain a tight 3.3V tolerance over the entire operating temperature range. The reference can be used to power a microcontroller or other 3.3V logic device, providing a reliable and stable supply voltage.

In summary, the MAX16046ACB+T is a low-cost, low-power supervisor IC designed for applications such as PDAs, or wireless/mobile phone systems. It provides system reset protection by monitoring the system voltage and activating the reset output when the voltage falls below an internal threshold. The supervisor also includes an integrated 3.3V voltage reference, which can be used to supply power to a microcontroller or other 3.3V logic device.

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