LT3580MPMS8E#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency step-down DC/DC converter - Wide input voltage range - Adjustable output voltage - Low quiescent current - Small package size

Package: MSOP-8

Essence: The LT3580MPMS8E#TRPBF is a high-performance step-down DC/DC converter designed for power management applications. It offers a wide input voltage range and adjustable output voltage, making it suitable for various electronic devices.

Packaging/Quantity: The LT3580MPMS8E#TRPBF is available in an MSOP-8 package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1.5A
• Switching Frequency: Up to 2MHz
• Quiescent Current: 40μA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3580MPMS8E#TRPBF has the following pin configuration:

1. SW: Switching Node
2. GND: Ground
3. FB: Feedback Pin
4. EN: Enable Pin
5. VOUT: Output Voltage
6. VIN: Input Voltage
7. PG: Power Good Indicator
8. NC: No Connection

Functional Features

• High efficiency conversion
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Soft-start capability
• Power good indicator

Advantages and Disadvantages

Advantages: - Wide input voltage range allows compatibility with various power sources - Adjustable output voltage provides flexibility for different applications - High efficiency conversion reduces power loss and extends battery life - Small package size enables space-saving designs

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Higher switching frequency may introduce additional noise in sensitive circuits

Working Principles

The LT3580MPMS8E#TRPBF operates as a step-down DC/DC converter, converting a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency conversion. The feedback pin (FB) is used to set the desired output voltage, which can be adjusted within the specified range.

When enabled, the LT3580MPMS8E#TRPBF controls the switching of the internal power MOSFET to regulate the output voltage. It incorporates various protection features such as overcurrent protection and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The LT3580MPMS8E#TRPBF is commonly used in the following application fields:

1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices benefit from the efficient power management provided by the LT3580MPMS8E#TRPBF.
2. Industrial equipment: The wide input voltage range and small package size make it suitable for various industrial applications, including control systems and motor drives.
3. Automotive electronics: The LT3580MPMS8E#TRPBF can be utilized in automotive applications such as infotainment systems, lighting control, and power distribution modules.

Detailed and Complete Alternative Models

1. LT3579: Similar step-down DC/DC converter with adjustable output voltage and higher maximum output current.
2. LT8609: Step-down DC/DC converter with a wider input voltage range and higher efficiency.
3. LT1763: Low dropout linear regulator suitable for applications requiring low noise and precise voltage regulation.

These alternative models offer similar functionality to the LT3580MPMS8E#TRPBF and can be considered based on specific application requirements.

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