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MAX803SQ293D3T1G

Name: MAX803SQ293D3T1G
Rating: 4.7 (12 reviews)

IC SUPERVISOR 1 CHANNEL SC70-3

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規格

Part Status	Obsolete
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	100ms Minimum
Operating Temperature	-40°C ~ 105°C (TJ)
Mounting Type	Surface Mount
Package / Case	SC-70, SOT-323
Supplier Device Package	SC-70-3 (SOT323)
Base Product Number	MAX803

概述

Description

The MAX803SQ293D3T1G is a low-power voltage supervisor integrated circuit (IC) designed for monitoring power supply voltages in various electronic applications. It features a precise voltage threshold to detect when the supply voltage falls below a specified level, providing a reset signal to microcontrollers or other digital logic. This ensures system reliability by preventing malfunction during brownout conditions.
Key features include a supply voltage range of 1.5V to 5.5V, a typical reset threshold of 2.93V, and a quick response time to voltage fluctuations. The device is housed in a compact SOT-23 package, making it suitable for space-constrained designs. It also offers low quiescent current, making it ideal for battery-powered applications.
Overall, the MAX803SQ293D3T1G is a reliable choice for ensuring stable operation in various circuits, including automotive, industrial, and consumer electronics.

Features

The MAX803SQ293D3T1G is a low-power voltage supervisor designed to monitor power supply voltages. Key features include:
1. Operating Voltage Range: It operates from 0.9V to 6V.
2. Precision Reset: Offers a reset threshold with a typical accuracy of ±2%.
3. Low Power Consumption: Consumes only 1 µA (typical) in normal operation, making it suitable for battery-powered applications.
4. Reset Timeout: Provides a fixed reset timeout period of 140 ms (typical) after the supply voltage returns to the valid range.
5. Active-Low Output: The reset output is active-low, which can reset microcontrollers and other digital devices.
6. Temperature Range: Operating temperature from -40°C to +125°C, ensuring reliability in various environments.
7. Packages: Available in an 8-pin SOIC package, facilitating easy integration into designs.
These features make the MAX803SQ293D3T1G ideal for applications that require reliable voltage monitoring and reset functionality.

Package

The MAX803SQ293D3T1G is packaged in a SOT-23-5 surface mount package.

Pinout

The MAX803SQ293D3T1G is a microprocessor supervisory circuit with a total of 8 pins. Its primary functions include monitoring the supply voltage of a microprocessor and providing a reset signal when the voltage falls below a specified threshold.
Key pin functions are:
1. VCC (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. RESET (Pin 3): Active-low output signal that indicates the microprocessor should reset.
4. RESET (Pin 4): Another reset output, often tied to different thresholds or conditions.
5. VTH (Pin 5): Voltage threshold input for resetting.
6. CT (Pin 6): Capacitor connection for timing functions (optional).
7. NC (Pin 7): Not connected (no internal connection).
8. NC (Pin 8): Not connected (no internal connection).
The MAX803 is designed to ensure reliable operation of microprocessor systems by providing power-on reset and supervisory functions.

Manufacturer

The MAX803SQ293D3T1G is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a semiconductor company that designs and manufactures a wide range of integrated circuits (ICs) and analog devices. The company specializes in providing solutions for various applications, including power management, signal processing, and signal conditioning, among others. Their products are used across diverse industries, such as telecommunications, automotive, medical, and consumer electronics. Maxim Integrated is known for its focus on innovation and high-performance solutions, targeting both industrial and consumer markets.

Application

The MAX803SQ293D3T1G is a voltage supervisor and reset IC used primarily in power management applications. It ensures safe operation by monitoring supply voltage levels and generating reset signals for microcontrollers and processors. Common application areas include battery-powered devices, consumer electronics, automotive systems, and industrial equipment, where reliable voltage monitoring and system reset capabilities are critical for functionality and protection against undervoltage conditions.

Equivalent

The MAX803SQ293D3T1G is a voltage supervisor designed for monitoring power supplies. Equivalent products include the MIC803, TL7705, and MCP100. Each of these alternatives offers similar functionality, such as voltage detection and reset capabilities, but may have different voltage thresholds or package options. Always check the specific parameters to ensure compatibility.