LTC1731ES8-4.1#TRPBF

Product Overview

Category

The LTC1731ES8-4.1#TRPBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic devices to regulate and stabilize voltage levels.

Characteristics

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 4.1V
• Output Current: Up to 500mA
• Low Dropout Voltage: 300mV at 500mA
• Quiescent Current: 85µA
• Shutdown Current: <1µA
• Package Type: 8-Lead SOIC
• Operating Temperature Range: -40°C to 125°C

Package and Quantity

The LTC1731ES8-4.1#TRPBF is available in an 8-Lead SOIC package. It is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage: 4.1V
• Output Current: Up to 500mA
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 85µA
• Shutdown Current: <1µA
• Package Type: 8-Lead SOIC
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC1731ES8-4.1#TRPBF has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1 --| VOUT EN |-- Pin 2 --| FB NC |-- Pin 3 --| GND GND |-- Pin 4 --| GND GND |-- Pin 5 --| GND GND |-- Pin 6 --| GND GND |-- Pin 7 --| VOUT NC |-- Pin 8 |___________| ```

Functional Features

• Wide Input Voltage Range: The LTC1731ES8-4.1#TRPBF can accept input voltages ranging from 2.5V to 6V, making it suitable for a variety of applications.
• Low Dropout Voltage: With a dropout voltage of only 300mV at 500mA, this voltage regulator minimizes power dissipation and improves efficiency.
• Low Quiescent Current: The quiescent current of 85µA ensures minimal power consumption during standby or idle operation.
• Shutdown Mode: The EN pin allows the regulator to be put into a low-power shutdown mode, reducing power consumption to less than 1µA.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile application.
• Low dropout voltage minimizes power dissipation.
• Low quiescent current reduces power consumption during idle periods.
• Shutdown mode further reduces power consumption when the regulator is not in use.

Disadvantages

• Limited output current of up to 500mA may not be sufficient for high-power applications.
• Only available in an 8-Lead SOIC package, which may limit compatibility with certain circuit designs.

Working Principles

The LTC1731ES8-4.1#TRPBF is a linear voltage regulator that uses a P-channel MOSFET pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage.

When the input voltage is within the specified range, the regulator provides a regulated output voltage of 4.1V. The EN pin can be used to enable or disable the regulator, allowing for power-saving operation when not needed.

Detailed Application Field Plans

The LTC1731ES8-4.1#TRPBF is commonly used in various electronic devices and applications, including but not limited to: - Battery-powered devices - Portable electronics - Embedded systems - IoT devices - Consumer electronics

Its ability to regulate voltage levels efficiently makes it suitable for applications that require stable power supply despite varying input voltages.

Detailed Alternative Models

Here are some alternative models that offer similar functionality to the LTC1731ES8-4.1#TRPBF:

1. LM1117-4.1: A low dropout linear voltage regulator with an output voltage of 4.1V.
2. LT1763-4.1: A high-performance linear regulator with a fixed 4.1V output voltage.
3. MCP1703-4102E/TO: A low quiescent current LDO regulator with a 4.