MAX1721EUT+T

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: Low Quiescent Current, High Efficiency
Package: SOT-23-6
Essence: Step-Down DC-DC Converter
Packaging/Quantity: Tape & Reel / 3000 units per reel

Specifications

Input Voltage Range: 2.5V to 5.5V
Output Voltage Range: 0.8V to VIN
Maximum Output Current: 100mA
Quiescent Current: 7µA (typical)
Switching Frequency: 1MHz
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1721EUT+T has a total of six pins arranged as follows:

```

| | --| V IN | --| GND | --| SW | --| FB | --| EN | |___________| ```

VIN: Input voltage pin.
GND: Ground reference pin.
SW: Switching node pin.
FB: Feedback pin for output voltage regulation.
EN: Enable pin to control the device's operation.

Functional Features

Low quiescent current enables extended battery life.
High efficiency conversion for optimal power management.
Wide input voltage range allows flexibility in power sources.
Adjustable output voltage provides versatility in applications.
Internal synchronous rectifier improves efficiency.
Soft-start feature prevents excessive inrush current.

Advantages and Disadvantages

Advantages: - Low quiescent current prolongs battery life. - High efficiency reduces power consumption. - Small package size saves board space. - Wide input voltage range accommodates various power sources. - Adjustable output voltage suits different application requirements.

Disadvantages: - Limited maximum output current (100mA). - Requires external components for operation. - Not suitable for high-power applications.

Working Principles

The MAX1721EUT+T is a step-down DC-DC converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes a synchronous rectifier and operates at a fixed switching frequency of 1MHz. The device regulates the output voltage by adjusting the duty cycle of the internal switch based on the feedback received from the FB pin. The EN pin allows the user to enable or disable the device as needed.

Detailed Application Field Plans

The MAX1721EUT+T is commonly used in various battery-powered applications, such as:

Portable electronic devices: MP3 players, smartphones, tablets.
Wearable devices: Fitness trackers, smartwatches.
IoT devices: Wireless sensors, smart home devices.
Medical devices: Blood glucose meters, portable monitors.
Industrial equipment: Handheld instruments, data loggers.

Detailed and Complete Alternative Models

MAX1720EUT+T: Similar specifications but with a lower maximum output current of 50mA.
MAX1722EUT+T: Higher maximum output current of 200mA, suitable for slightly higher power applications.
MAX1723EUT+T: Adjustable output voltage range, allowing for more flexibility in voltage selection.

These alternative models provide options based on specific application requirements while maintaining similar characteristics to the MAX1721EUT+T.

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Texniki həllərdə MAX1721EUT+T tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

Sure! Here are 10 common questions and answers related to the application of MAX1721EUT+T in technical solutions:

Q1: What is the MAX1721EUT+T? A1: The MAX1721EUT+T is a step-up DC-DC converter that provides a regulated output voltage from a single-cell Li-ion/polymer battery.

Q2: What is the input voltage range of the MAX1721EUT+T? A2: The input voltage range is typically between 2.5V and 5.5V.

Q3: What is the maximum output current of the MAX1721EUT+T? A3: The maximum output current is 100mA.

Q4: Can the MAX1721EUT+T be used with other types of batteries? A4: No, it is specifically designed for use with single-cell Li-ion/polymer batteries.

Q5: Does the MAX1721EUT+T have built-in protection features? A5: Yes, it includes overcurrent protection, thermal shutdown, and undervoltage lockout.

Q6: What is the efficiency of the MAX1721EUT+T? A6: The typical efficiency is around 85%.

Q7: Can the MAX1721EUT+T be used in low-power applications? A7: Yes, it is suitable for low-power applications due to its low quiescent current.

Q8: Is the MAX1721EUT+T easy to integrate into a circuit? A8: Yes, it comes in a small SOT23 package, making it easy to integrate into space-constrained designs.

Q9: Can the MAX1721EUT+T operate in a wide temperature range? A9: Yes, it can operate in a temperature range of -40°C to +85°C.

Q10: Are there any application notes or reference designs available for the MAX1721EUT+T? A10: Yes, Maxim Integrated provides application notes and reference designs that can help with the implementation of the MAX1721EUT+T in various technical solutions.

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