ADM1817-5AKS-REEL7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: SOT-23-5
• Essence: Monitors the power supply voltage and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 4.63V, 4.75V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The ADM1817-5AKS-REEL7 IC has a total of 5 pins: 1. GND: Ground connection 2. RESET: Active-low reset output 3. MR: Manual reset input 4. VCC: Positive power supply 5. TH: Threshold voltage selection pin

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage drops below the set threshold
• Provides an active-low reset output
• Offers manual reset capability through the MR pin
• Low quiescent current for power efficiency

Advantages

• Wide supply voltage range allows compatibility with various systems
• Adjustable reset timeout period offers flexibility in different applications
• Low power consumption prolongs battery life in portable devices
• Small package size enables space-saving designs
• Accurate monitoring ensures reliable system operation

Disadvantages

• Limited threshold voltage options may not suit all voltage requirements
• Lack of built-in hysteresis may lead to potential oscillations near the threshold voltage

Working Principles

The ADM1817-5AKS-REEL7 operates by comparing the power supply voltage with a set threshold voltage. When the supply voltage drops below the threshold, the IC generates an active-low reset signal. The reset timeout period can be adjusted or fixed, determining how long the reset signal remains active after the voltage returns to normal.

Detailed Application Field Plans

The ADM1817-5AKS-REEL7 is commonly used in various electronic systems where reliable power supply monitoring is crucial. Some application examples include: - Microcontrollers and microprocessors - Industrial control systems - Communication equipment - Battery-powered devices - Automotive electronics

Detailed and Complete Alternative Models

1. ADM1812-5ARTZ-RL7: Similar voltage supervisor IC with fixed 5V threshold and adjustable reset timeout.
2. ADM1815-5ARTZ-RL7: Voltage supervisor IC with fixed 5V threshold and fixed reset timeout.
3. ADM1818-5ARTZ-RL7: Voltage supervisor IC with adjustable threshold voltage and reset timeout.

These alternative models offer different combinations of threshold voltage and reset timeout options, providing flexibility for specific application requirements.

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