company blog about Recycle Maxim Evaluation Board:Microprocessor Monitoring Evaluation Board,LDO Evaluation Board

Recycle Maxim Evaluation Board:Microprocessor Monitoring Evaluation Board,LDO Evaluation Board

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【Microprocessor Monitoring Evaluation Board】

In systems requiring high reliability, microprocessor monitoring and backup power circuits are of paramount importance.

MAX791: Comprehensive Monitoring Solution

The MAX791 is a high-performance microprocessor monitoring circuit integrating multiple functions including power supply monitoring, battery backup switching, watchdog timer, and power failure detection.

It delivers precise reset outputs, maintaining correct logic states even when the VCC voltage drops as low as 1V.

A two-stage power failure warning mechanism provides advance notice before the main supply voltage triggers a reset, allowing sufficient time for critical data preservation.

With typical static supply current consumption of just 50μA, it is ideally suited for portable devices and battery-powered systems.

MAX6365 Series: Compact Monitoring Solution

The MAX6365-MAX6368 series supervisory circuits utilise a miniature 8-pin SOT23 package, integrating power monitoring, battery backup control, and memory write protection within an extremely compact footprint.

Operating from voltages as low as 1.2V, with factory-preset reset threshold voltages selectable from 2.32V to 4.63V, it provides an ideal monitoring solution for space-constrained portable devices.

【LDO Evaluation Boards】

Maxim LDO evaluation boards feature a range of compelling characteristics that distinguish them from competing products:

Wide Voltage Range and High Accuracy

Maxim LDO evaluation boards support extensive input voltage ranges, such as the 1.7V to 5.5V input range of the MAX38904 evaluation kit, enabling adaptation to diverse power supply environments.

Simultaneously, they offer adjustable or fixed output voltages; for instance, the MAX38904B and MAX38904C permit output voltage adjustment between 0.6V and 5.0V via external resistors.

These evaluation boards maintain ±1% DC accuracy across the entire load current, supply voltage, and operating temperature range, ensuring output voltage stability.

Exceptional Low-Noise Performance

The core strength of LDOs lies in their low-noise characteristics, and Maxim's LDO evaluation boards excel in this regard:

The MAX38904x series LDOs feature exceptionally low output noise of just 5.1µVRMS (across the 10Hz to 100kHz frequency range), which is particularly crucial for applications requiring high-precision, low-noise power supplies.

The MAX25308 exhibits output noise of only 37µVRMS across the 10Hz to 100kHz frequency range, making it an ideal choice for noise-sensitive applications.

Robust Output Capability and Efficient Thermal Management

Although LDOs are not typically known for high-current output, Maxim's LDO evaluation boards deliver substantial output capability:

The MAX38904 evaluation kit supports up to 2A output current, meeting the demands of diverse application scenarios.

The MAX25308 evaluation board demonstrates multi-channel output capability, delivering up to 600mA on channel 1 and up to 300mA on channels 2 and 3.

Comprehensive Protection Features

To ensure system safety, these evaluation boards incorporate multiple protection features such as overcurrent protection and over-temperature protection, safeguarding the circuit from damage under abnormal conditions.