LT3990EMSE-3.3#TRPBF

Product Overview

Category

The LT3990EMSE-3.3#TRPBF belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Voltage regulation capability
• Compact package size
• High efficiency
• Low dropout voltage
• Wide input voltage range

Package

The LT3990EMSE-3.3#TRPBF comes in a small MSOP-12 package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring proper functioning of electronic devices.

Packaging/Quantity

The LT3990EMSE-3.3#TRPBF is typically packaged in reels and is available in quantities suitable for both small-scale and large-scale production.

Specifications

• Input Voltage Range: 2.5V to 60V
• Output Voltage: 3.3V
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV at 1A
• Operating Temperature Range: -40°C to 125°C
• Package Type: MSOP-12

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. SS/TR: Soft-start/Tracking pin
5. VOUT: Output voltage pin
6. SW: Switch pin
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Low dropout voltage enables operation with low input voltages
• Soft-start feature prevents excessive inrush current during startup
• Tracking function allows for precise voltage tracking

Advantages and Disadvantages

Advantages

• Wide input voltage range makes it suitable for various applications
• High efficiency reduces power consumption
• Compact package size saves board space
• Soft-start feature protects components from excessive current
• Precise voltage tracking ensures accurate output

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Dropout voltage may affect performance with low input voltages

Working Principles

The LT3990EMSE-3.3#TRPBF operates as a step-down voltage regulator. It takes an input voltage within the specified range and provides a regulated 3.3V output. The internal circuitry of the device adjusts the voltage to maintain a stable output, even when the input voltage fluctuates.

Detailed Application Field Plans

The LT3990EMSE-3.3#TRPBF finds applications in various fields, including:

1. Portable electronic devices: Provides regulated voltage for battery-powered devices such as smartphones, tablets, and portable gaming consoles.
2. Automotive electronics: Ensures stable voltage supply for automotive systems, including infotainment systems, navigation units, and lighting modules.
3. Industrial automation: Used in control systems, motor drives, and sensors to maintain consistent voltage levels.
4. Telecommunications: Regulates voltage in networking equipment, routers, and communication devices to ensure reliable operation.

Detailed and Complete Alternative Models

1. LT3990EMSE-5#TRPBF: Similar to LT3990EMSE-3.3#TRPBF but provides a regulated 5V output.
2. LT3990EMSE-12#TRPBF: Offers a regulated 12V output, suitable for specific applications requiring higher voltage levels.
3. LT3990EMSE-ADJ#TRPBF: Adjustable output voltage version, allowing users to set the desired output voltage within a specified range.

These alternative models provide similar functionality but cater to different voltage requirements.

In conclusion, the LT3990EMSE-3.3#TRPBF is a voltage regulator that offers stable and regulated voltage output in a compact package. Its wide input voltage range, high efficiency, and other features make it suitable for various applications in portable electronics, automotive systems, industrial automation, and telecommunications. While it has limitations in terms of maximum output current and dropout voltage, alternative models are available to cater to specific voltage requirements.