MAX1747EUP+T

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High-Efficiency Step-Down DC-DC Converter
Package: 20-Pin TSSOP
Essence: Voltage Regulator
Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

Input Voltage Range: 4.5V to 28V
Output Voltage Range: 0.8V to 5.5V
Maximum Output Current: 1A
Switching Frequency: 500kHz
Efficiency: Up to 95%
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1747EUP+T has a 20-pin TSSOP package with the following pin configuration:

VIN: Input Voltage
GND: Ground
SW: Switch Node
FB: Feedback Voltage
EN: Enable Control
SS/TRK: Soft-Start/Tracking
VCC: Supply Voltage for Internal Circuitry
PGND: Power Ground
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection
LX: Inductor Connection

Functional Features

High-efficiency step-down DC-DC converter
Wide input voltage range for versatile applications
Adjustable output voltage for flexibility
Internal synchronous rectification for improved efficiency
Overcurrent and overtemperature protection
Soft-start and tracking functions for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency up to 95% - Wide input voltage range allows for various power sources - Adjustable output voltage suits different applications - Internal protection features ensure safe operation - Compact package size for space-constrained designs

Disadvantages: - Maximum output current limited to 1A - Limited operating temperature range (-40°C to +85°C)

Working Principles

The MAX1747EUP+T is a high-efficiency step-down DC-DC converter that converts a higher input voltage to a lower output voltage. It utilizes a synchronous rectification technique to minimize power losses and improve overall efficiency. The IC regulates the output voltage by adjusting the duty cycle of the internal switching transistor. It also incorporates various protection features such as overcurrent and overtemperature protection to safeguard the circuit and connected devices.

Detailed Application Field Plans

The MAX1747EUP+T is commonly used in various applications, including but not limited to:

Battery-powered devices: Provides efficient power conversion for portable electronics, such as smartphones, tablets, and wearable devices.
Industrial equipment: Suitable for powering control systems, sensors, and communication modules in industrial automation and monitoring applications.
Automotive electronics: Used in automotive infotainment systems, navigation devices, and other vehicle electronics requiring stable and regulated power supply.
Telecommunications: Enables efficient power management in networking equipment, routers, switches, and base stations.
IoT devices: Ideal for low-power Internet of Things (IoT) devices, enabling longer battery life and reliable power delivery.

Detailed and Complete Alternative Models

MAX1748EUP+T: Similar to MAX1747EUP+T with enhanced output current capability of 2A.
MAX1750EUB+T: Step-down DC-DC converter with adjustable output voltage and higher efficiency.
MAX1752EUB+T: Integrated IC with multiple outputs for powering different components in a system.

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1747EUP+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX1747EUP+T in technical solutions:

Q: What is the MAX1747EUP+T? A: The MAX1747EUP+T is a step-down DC-DC converter IC designed for use in various technical applications.
Q: What is the input voltage range of the MAX1747EUP+T? A: The input voltage range of the MAX1747EUP+T is typically between 4.5V and 28V.
Q: What is the output voltage range of the MAX1747EUP+T? A: The output voltage range of the MAX1747EUP+T can be adjusted from 0.8V to 5.5V.
Q: What is the maximum output current of the MAX1747EUP+T? A: The maximum output current of the MAX1747EUP+T is typically around 500mA.
Q: Can the MAX1747EUP+T operate in a wide temperature range? A: Yes, the MAX1747EUP+T is designed to operate in a temperature range of -40°C to +85°C.
Q: Does the MAX1747EUP+T have built-in protection features? A: Yes, the MAX1747EUP+T includes features like overcurrent protection, thermal shutdown, and undervoltage lockout.
Q: Can the MAX1747EUP+T be used in battery-powered applications? A: Yes, the low quiescent current and high efficiency of the MAX1747EUP+T make it suitable for battery-powered applications.
Q: Is the MAX1747EUP+T easy to use in a circuit design? A: Yes, the MAX1747EUP+T is available in a compact package and requires minimal external components for operation.
Q: Can the MAX1747EUP+T be used in automotive applications? A: Yes, the MAX1747EUP+T meets the requirements for automotive applications and can operate in harsh environments.
Q: Are there any evaluation boards or reference designs available for the MAX1747EUP+T? A: Yes, Maxim Integrated provides evaluation boards and reference designs that can help with the implementation of the MAX1747EUP+T in various technical solutions.

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