MAX1709ESE+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX1709ESE+ is a step-up DC-DC converter designed for low-power applications. It provides a regulated output voltage from a single Li+ cell or two NiMH cells.

Characteristics: - Input Voltage Range: 0.8V to 5.5V - Output Voltage Range: 2.5V to 5.5V - Maximum Output Current: 200mA - Efficiency: Up to 96% - Switching Frequency: 1MHz - Shutdown Current: <1µA - Operating Temperature Range: -40°C to +85°C

Package: The MAX1709ESE+ is available in a small 16-pin narrow SO package.

Essence: This IC is specifically designed to provide efficient power conversion for low-power devices, such as portable electronics and battery-powered systems.

Packaging/Quantity: The MAX1709ESE+ is typically sold in reels of 2500 units.

Specifications

The specifications of the MAX1709ESE+ include:

Input Voltage Range: 0.8V to 5.5V
Output Voltage Range: 2.5V to 5.5V
Maximum Output Current: 200mA
Switching Frequency: 1MHz
Shutdown Current: <1µA
Quiescent Current: 50µA (typical)
Soft-Start Time: 1ms (typical)
Overcurrent Protection: Yes
Thermal Shutdown: Yes
Short-Circuit Protection: Yes

Detailed Pin Configuration

The MAX1709ESE+ has a total of 16 pins. Here is the detailed pin configuration:

SHDN: Shutdown Pin
FB: Feedback Pin
EN: Enable Pin
GND: Ground Pin
LX: Switching Node
LX: Switching Node
LX: Switching Node
LX: Switching Node
LX: Switching Node
LX: Switching Node
LX: Switching Node
LX: Switching Node
LX: Switching Node
LX: Switching Node
LX: Switching Node
VIN: Input Voltage Pin

Functional Features

The MAX1709ESE+ offers the following functional features:

High Efficiency: With an efficiency of up to 96%, it minimizes power losses and extends battery life.
Wide Input Voltage Range: It can operate from a wide range of input voltages, making it suitable for various battery configurations.
Low Shutdown Current: The IC consumes less than 1µA of current in shutdown mode, reducing power consumption during idle periods.
Overcurrent and Short-Circuit Protection: It incorporates protection mechanisms to prevent damage due to excessive current or short circuits.
Thermal Shutdown: The IC includes thermal shutdown protection to prevent overheating under abnormal operating conditions.

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life. - Wide input voltage range allows compatibility with different battery types. - Compact package size enables space-saving designs. - Overcurrent and short-circuit protection enhance system reliability. - Thermal shutdown prevents damage due to excessive heat.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Availability in reel packaging may not be ideal for small-scale projects.

Working Principles

The MAX1709ESE+ operates as a step-up DC-DC converter. It utilizes a high-frequency switching technique to boost the input voltage to a regulated output voltage. The internal control circuitry ensures stable and efficient power conversion.

When enabled, the IC starts switching at a fixed frequency of 1MHz. The feedback pin monitors the output voltage and adjusts the duty cycle of the internal switch to maintain the desired output voltage. The soft-start feature prevents excessive inrush current during startup.

Detailed Application Field Plans

The MAX1709ESE+ is commonly used in various low-power applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Wearable devices - IoT (Internet of Things) devices - Medical devices - Handheld instruments

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX1709ESE+ include: - MAX1724EZK33+: Step-up DC-DC converter with a fixed 3.3V output voltage. - MAX1718EEI+: Step-up DC-DC converter with higher maximum output current (500mA). - MAX17126BETL+: Step-up DC-DC converter with adjustable output voltage and

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MAX1709ESE+ in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of MAX1709ESE+ in technical solutions:

Q: What is the MAX1709ESE+? A: The MAX1709ESE+ is a step-up DC-DC converter IC designed for low-power applications.
Q: What is the input voltage range of the MAX1709ESE+? A: The input voltage range of the MAX1709ESE+ is typically between 0.8V and 5.5V.
Q: What is the output voltage range of the MAX1709ESE+? A: The output voltage range of the MAX1709ESE+ can be adjusted from 2.5V to 5.5V using external resistors.
Q: What is the maximum output current of the MAX1709ESE+? A: The maximum output current of the MAX1709ESE+ is typically around 200mA.
Q: Can the MAX1709ESE+ operate in a battery-powered system? A: Yes, the MAX1709ESE+ is suitable for battery-powered systems as it has a low quiescent current and supports low input voltages.
Q: Does the MAX1709ESE+ have built-in protection features? A: Yes, the MAX1709ESE+ includes overcurrent protection, thermal shutdown, and undervoltage lockout features.
Q: Can the MAX1709ESE+ be used in automotive applications? A: Yes, the MAX1709ESE+ is automotive-grade and can be used in various automotive applications.
Q: Is the MAX1709ESE+ easy to use in a circuit design? A: Yes, the MAX1709ESE+ is designed for ease of use and requires minimal external components.
Q: Can the MAX1709ESE+ be used in both step-up and step-down applications? A: No, the MAX1709ESE+ is specifically designed for step-up (boost) applications only.
Q: What are some typical applications of the MAX1709ESE+? A: The MAX1709ESE+ is commonly used in battery-powered devices, portable electronics, and low-power sensor systems.

Please note that these answers are general and may vary depending on specific design considerations and requirements.