LTC3631IMS8E#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Low Quiescent Current - Wide Input Voltage Range - Adjustable Output Voltage - Small Package Size

Package: MSOP-8

Essence: The LTC3631IMS8E#TRPBF is a power management IC designed for various applications that require efficient power conversion.

Packaging/Quantity: The LTC3631IMS8E#TRPBF is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.25V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 500mA
• Quiescent Current: 18µA
• Efficiency: Up to 95%
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3631IMS8E#TRPBF has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1 --| SW FB |-- Pin 2 --| EN VOUT|-- Pin 3 --| PG SS |-- Pin 4 |___________| ```

Functional Features

1. High Efficiency: The LTC3631IMS8E#TRPBF offers high efficiency power conversion, minimizing energy loss during operation.

2. Low Quiescent Current: With a low quiescent current of only 18µA, the IC reduces power consumption when the load is light.

3. Wide Input Voltage Range: The IC can accept input voltages ranging from 2.25V to 5.5V, making it suitable for a wide range of applications.

4. Adjustable Output Voltage: The output voltage can be adjusted from 0.6V to the input voltage (VIN), providing flexibility in powering different components.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low quiescent current - Wide input voltage range - Adjustable output voltage

Disadvantages: - Limited maximum output current (500mA)

Working Principles

The LTC3631IMS8E#TRPBF utilizes a synchronous buck converter architecture to efficiently step down the input voltage to the desired output voltage. It employs pulse-width modulation (PWM) techniques to regulate the output voltage based on feedback from the FB pin.

When enabled (EN pin high), the IC controls the switching of the internal power MOSFETs to deliver the required output voltage with high efficiency. The PG pin provides a power good signal indicating that the output voltage is within the specified range.

Detailed Application Field Plans

The LTC3631IMS8E#TRPBF is suitable for various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Industrial equipment - Automotive systems

Alternative Models

Here are some alternative models that offer similar functionality to the LTC3631IMS8E#TRPBF:

1. LT8610EMS8E#PBF
2. TPS62130RGTT
3. MAX17503GTL+

These models can be considered as alternatives depending on specific requirements and availability.

In conclusion, the LTC3631IMS8E#TRPBF is a versatile power management IC offering high efficiency, low quiescent current, and adjustable output voltage. With its small package size and wide input voltage range, it finds applications in various fields such as portable electronics, IoT devices, and automotive systems.