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MAX6390XS29D4+T

Name: MAX6390XS29D4+T
Rating: 4.7 (12 reviews)

IC SUPERVISOR 1 CHANNEL SC70-4

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資料表 MAX6390XS29D4+T DataSheet
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規格

Part Status	Active
DigiKey Programmable	Not Verified
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage - Threshold	2.93V
Output	Open Drain or Open Collector
Reset	Active Low
Reset Timeout	1.12s Minimum
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	SC-82A, SOT-343
Supplier Device Package	SC-70-4
Base Product Number	MAX6390

概述

Description

The MAX6390XS29D4+T is a power management integrated circuit (PMIC) designed for battery-powered applications. It features a low-dropout (LDO) voltage regulator known for its high efficiency, low quiescent current, and fast transient response. This device supports a wide input voltage range and provides a stable output, making it suitable for a variety of portable electronic devices.
Key specifications include low output noise and the ability to handle transient loads effectively. The MAX6390XS29D4+T is often used in microcontroller and sensor applications, where stable power supply is crucial for reliable performance. Its compact package size allows for space-efficient designs in mobile devices.
The "T" at the end of the part number indicates that it is available in a tape and reel packaging format, which is ideal for automated assembly processes. Overall, this device is an excellent choice for designers looking to enhance the efficiency and reliability of power management in their applications.

Features

The MAX6390XS29D4+T is a precision voltage reference from Maxim Integrated (now part of Analog Devices). Key features include:
- Voltage Reference: Provides a highly stable output voltage of 2.5V.
- Temperature Coefficient: Low temperature coefficient, ensuring minimal drift over temperature variations.
- Accuracy: High accuracy of ±0.5% across the specified temperature range.
- Power Supply: Low power consumption, making it suitable for battery-operated devices.
- Output Impedance: Low output impedance ensures stable operation under varying load conditions.
- Package: Available in a small 4-lead SOT23 package, facilitating compact designs.
- Operating Temperature Range: Suitable for industrial applications with an extended operating range from -40°C to +125°C.
- Application Versatility: Ideal for use in precision analog circuits, DACs, ADCs, and instrumentation.
This device is well-suited for applications requiring reliable and precise voltage references.

Package

The MAX6390XS29D4+T is packaged in a 4-pin SOT23-5 (small outline transistor) package, which is compact and suitable for surface-mount applications.

Pinout

The MAX6390XS29D4+T is a microprocessor supervisory circuit with a total of 8 pins. Its primary functions include providing power-on reset, voltage monitoring, and watchdog timer capabilities to ensure reliable operation of microcontrollers and digital systems.
The pin configuration typically includes:
- GND: Ground connection.
- VCC: Supply voltage input.
- RESET: Active-low reset output.
- RESETIN: Reset input, for external reset signals.
- WDI: Watchdog input for monitoring system activity.
- WDO: Watchdog output, indicates watchdog timer status.
- VTH: Threshold select pin for voltage monitoring.
- NC: No connect, not used in the circuit.
This component is commonly used in systems requiring robust power management and reset functionality to prevent unintended system operation during power fluctuations.

Manufacturer

The MAX6390XS29D4+T is manufactured by Maxim Integrated, which is a company that specializes in high-performance analog and mixed-signal semiconductor products. Maxim Integrated focuses on developing solutions for various applications, including automotive, industrial, medical, and consumer electronics. The company is known for its innovative technology in power management, signal processing, and data conversion. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a leading global semiconductor company known for its analog, mixed-signal, and digital signal processing technologies.

Application

The MAX6390XS29D4+T is a microprocessor supervisor designed for power management applications. It is used in battery-powered devices, automotive systems, industrial control, and consumer electronics. The device monitors voltage levels and provides reset signals to ensure reliable operation during power fluctuations. Its features make it suitable for embedded systems, safety-critical applications, and any device requiring precise voltage monitoring.

Equivalent

The MAX6390XS29D4+T chip is a voltage supervisor from Maxim Integrated. Equivalent products include:
1. Microchip MCP1342 - Voltage supervisor with similar features.
2. Texas Instruments TPS3808 - Offers voltage supervision with adjustable thresholds.
3. ON Semiconductor NCP1406 - Voltage supervisor with various threshold options.
Always verify specific parameters such as voltage range, package type, and temperature ratings when considering alternatives.