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MAX6866UK29D3S+

Name: MAX6866UK29D3S+
Rating: 4.7 (12 reviews)

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規格

Brand	Analog Devices / Maxim Integrated
Series	MAX6866
Length	2.9 mm
Width	1.63 mm
Height	1.1 mm
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Product Type	Supervisory Circuits
Subcategory	PMIC - Power Management ICs
Supply Voltage - Min	1.1 V
Supply Voltage - Max	5.5 V
Mounting Style	SMD/SMT
Package / Case	SOT-23-5
Operating Supply Current	7 uA
Part # Aliases	MAX6866
Pd - Power Dissipation	571 mW
Type	Voltage Supervisory
Threshold Voltage	2.925 V
Number of Inputs Monitored	1 Input
Output Type	Active Low, Open Drain
Manual Reset	Manual Reset
Watchdog Timers	Watchdog
Battery Backup Switching	No Backup
Reset Delay Time	225 ms
Chip Enable Signals	No Chip Enable
Overvoltage Threshold	2.998 V
Power Fail Detection	No
Undervoltage Threshold	2.852 V
Unit Weight	0.001058 oz

概述

Description

The MAX6866UK29D3S+ is a precision voltage supervisor from Maxim Integrated (now part of Analog Devices). This device is designed to monitor power supply voltages and provide reliable over-voltage and under-voltage detection for various applications, including microcontrollers and other digital ICs.
Key features include a low supply voltage operation, a reset output that ensures proper system startup, and a fast response time to voltage fluctuations. The MAX6866 series offers programmable reset thresholds, making it adaptable to different system requirements. It also includes features like a manual reset input and a watchdog timer, enhancing system reliability.
The MAX6866UK29D3S+ is encapsulated in a compact 3-pin SOT-23 package, making it suitable for space-constrained designs. Its low power consumption and high accuracy make it ideal for battery-operated devices. Overall, this voltage supervisor is crucial for ensuring system stability and preventing malfunction due to power supply issues.

Features

The MAX6866UK29D3S+ is a precision voltage reference IC designed for high-performance applications. Key features include:
1. Output Voltage: Provides a fixed output voltage of 2.5V with a tolerance of ±0.5%.
2. Low Drift: Excellent temperature stability with a low temperature coefficient (typically 10 ppm/°C).
3. Low Noise: Low output voltage noise ensures clean reference voltage.
4. Supply Voltage: Operates over a wide supply voltage range (up to 15V).
5. High Output Drive: Capable of sourcing and sinking current, making it suitable for various loads.
6. Low Power Consumption: Designed for efficient operation, minimizing power usage.
7. Small Package: Available in a compact 3mm x 3mm TDFN package, facilitating space-saving designs.
These features make the MAX6866UK29D3S+ ideal for applications in precision data converters, sensor circuits, and other systems requiring a stable voltage reference.

Package

The MAX6866UK29D3S+ is packaged in a 3x3 mm, 16-pin TQFN (Thin Quad Flat No-lead) package.

Pinout

The MAX6866UK29D3S+ is a voltage supervisor with a pin count of 5. Its primary functions include monitoring supply voltage and providing reset signals to microcontrollers and other digital circuits.
The pin configuration is as follows:
1. VDD: Supply voltage input.
2. GND: Ground reference.
3. RESET: Active-low reset output.
4. SENSE: Voltage sense input to monitor the supply voltage.
5. NC: No connect (not used).
This device provides a reset output that remains low when the supply voltage drops below a predetermined threshold, ensuring proper system operation upon power-up and preventing erroneous operation during brownout conditions. The MAX6866 is designed for low-power applications and is suitable for various electronic systems.

Manufacturer

The MAX6866UK29D3S+ is manufactured by Maxim Integrated, which is a company known for designing and producing analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated specializes in a wide range of semiconductor products, including power management, signal processing, and sensor interfaces. The company focuses on providing innovative solutions for various applications in automotive, industrial, communications, and consumer electronics. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. This acquisition has further strengthened Analog Devices' portfolio in the semiconductor market.

Application

The MAX6866UK29D3S+ is a microprocessor supervisory circuit primarily used in battery-powered devices. Its application areas include portable electronics, industrial automation, telecommunications, and automotive systems. It provides critical functions like voltage monitoring, reset generation, and watchdog timers to ensure reliable operation in low-power environments and to prevent system failures during voltage fluctuations.

Equivalent

The MAX6866UK29D3S+ is a voltage supervisor with a reset threshold of 2.9V. Equivalent products include the MCP100-290 and TPS3820-28, both offering similar voltage supervision functionalities. Always verify specific requirements such as reset delay, supply voltage range, and package type to ensure compatibility.