MAX802SCSA+T

Product Overview

Category: Integrated Circuits (ICs)
Use: Voltage Regulators - Switching Regulators
Characteristics:
- High Efficiency
- Low Quiescent Current
- Wide Input Voltage Range
- Adjustable Output Voltage
Package: 8-SOIC (0.154", 3.90mm Width)
Essence: Voltage Regulator IC
Packaging/Quantity: Tape & Reel (TR), 2,500 pieces per reel

Specifications

Input Voltage Range: 4.5V to 28V
Output Voltage Range: 1.25V to 26V
Output Current: 100mA
Switching Frequency: 300kHz
Dropout Voltage: 250mV
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

GND (Ground)
FB (Feedback)
EN (Enable)
SW (Switch)
VIN (Input Voltage)
VOUT (Output Voltage)
NC (No Connection)
GND (Ground)

Functional Features

High efficiency up to 95%
Low quiescent current of 120µA
Adjustable output voltage through external resistors
Built-in over-temperature and over-current protection
Soft-start function for controlled startup

Advantages

Wide input voltage range allows for versatile applications
High efficiency results in reduced power dissipation
Low quiescent current prolongs battery life in portable devices
Adjustable output voltage provides flexibility in design
Over-temperature and over-current protection enhance reliability

Disadvantages

Limited output current of 100mA may not be suitable for high-power applications
Dropout voltage of 250mV may affect performance in low voltage scenarios

Working Principles

The MAX802SCSA+T is a switching regulator IC that utilizes pulse-width modulation (PWM) to regulate the output voltage. It operates by rapidly switching the input voltage on and off, controlling the duty cycle to maintain the desired output voltage. This switching action allows for high efficiency and reduced power dissipation.

Detailed Application Field Plans

Battery-powered devices: The wide input voltage range and low quiescent current make the MAX802SCSA+T suitable for various battery-powered applications such as portable electronics, IoT devices, and handheld instruments.
Automotive systems: With its wide operating temperature range and built-in protection features, this voltage regulator can be used in automotive systems, including infotainment systems, lighting controls, and power management modules.
Industrial equipment: The adjustable output voltage and high efficiency of the MAX802SCSA+T make it suitable for industrial equipment, including motor drives, control systems, and power supplies.

Detailed and Complete Alternative Models

LM2576T-ADJ: Adjustable Voltage Regulator, 3A Output Current, TO-220 Package
LT1763CS8-3.3: Low Dropout Regulator, 500mA Output Current, 8-SOIC Package
TPS5430DDAR: Synchronous Buck Converter, 3A Output Current, 8-SOIC Package

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX802SCSA+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX802SCSA+T in technical solutions:

Q: What is MAX802SCSA+T? A: MAX802SCSA+T is a specific model of voltage detector IC (integrated circuit) manufactured by Maxim Integrated. It is commonly used for monitoring power supply voltages in various electronic devices.
Q: What is the operating voltage range of MAX802SCSA+T? A: The operating voltage range of MAX802SCSA+T is typically between 1.6V and 6.5V.
Q: How does MAX802SCSA+T detect voltage levels? A: MAX802SCSA+T uses an internal voltage reference and a comparator to monitor the input voltage and compare it with a predefined threshold. If the input voltage falls below the threshold, the output of the IC changes state.
Q: Can MAX802SCSA+T be used for undervoltage and overvoltage detection? A: Yes, MAX802SCSA+T can be configured to detect both undervoltage and overvoltage conditions by setting appropriate threshold voltages.
Q: What is the typical accuracy of MAX802SCSA+T? A: The typical accuracy of MAX802SCSA+T is around ±1.5%.
Q: What is the response time of MAX802SCSA+T? A: The response time of MAX802SCSA+T is typically very fast, usually within microseconds.
Q: Can MAX802SCSA+T be used in battery-powered applications? A: Yes, MAX802SCSA+T can be used in battery-powered applications as it has a low quiescent current consumption, making it suitable for power-sensitive designs.
Q: Does MAX802SCSA+T have any built-in protection features? A: Yes, MAX802SCSA+T has built-in hysteresis to prevent output oscillation near the threshold voltage, ensuring stable operation.
Q: Can MAX802SCSA+T be used in automotive applications? A: Yes, MAX802SCSA+T is suitable for automotive applications as it can operate within the required temperature range and has low supply current requirements.
Q: What are some common applications of MAX802SCSA+T? A: Some common applications of MAX802SCSA+T include battery-powered devices, power management systems, industrial equipment, automotive electronics, and portable consumer electronics.

Please note that the answers provided here are general and may vary depending on specific design considerations and requirements. It is always recommended to refer to the datasheet and application notes provided by Maxim Integrated for detailed information.