LTC3130EUDC

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: 16-Lead QFN

Essence: The LTC3130EUDC is a high-efficiency, low quiescent current synchronous buck-boost converter. It is designed to regulate the output voltage over a wide range of input voltages, making it suitable for various power management applications.

Packaging/Quantity: The LTC3130EUDC is available in a 16-Lead QFN package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 20V
• Output Voltage Range: 1.8V - 20V
• Maximum Output Current: 600mA
• Switching Frequency: 1MHz
• Quiescent Current: 6µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3130EUDC has a 16-pin configuration as follows:

1. VIN: Input Voltage
2. GND: Ground
3. SW: Switch Node
4. FB: Feedback Voltage
5. SS: Soft-Start
6. EN: Enable
7. VOUT: Output Voltage
8. PGND: Power Ground
9. LX: Inductor Connection
10. BST: Boost Capacitor Connection
11. AGND: Analog Ground
12. VCC: Supply Voltage
13. VFB: Feedback Voltage
14. VSS: Soft-Start
15. VEN: Enable
16. VOUT: Output Voltage

Functional Features

• Synchronous Buck-Boost Conversion: Allows the LTC3130EUDC to regulate the output voltage efficiently over a wide range of input voltages.
• Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, providing flexibility in various applications.
• Low Quiescent Current: With a quiescent current of only 6µA, the LTC3130EUDC minimizes power consumption during standby or low-load conditions.
• Soft-Start Function: The soft-start feature ensures a controlled and gradual increase in output voltage during startup, preventing excessive inrush current.

Advantages and Disadvantages

Advantages: - High efficiency conversion - Wide input voltage range - Small package size - Adjustable output voltage

Disadvantages: - Limited maximum output current (600mA)

Working Principles

The LTC3130EUDC utilizes a synchronous buck-boost topology to regulate the output voltage. It employs a high-frequency switching technique to efficiently step up or step down the input voltage, depending on the required output voltage. The integrated control circuitry ensures stable and accurate regulation, while the synchronous rectification minimizes power losses.

Detailed Application Field Plans

The LTC3130EUDC is suitable for a wide range of power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - IoT devices

Detailed and Complete Alternative Models

1. LTC3112EUDC: Similar specifications and features, with a higher maximum output current of 1A.
2. LTC3125EUDC: Step-up DC/DC converter with similar characteristics, designed for higher output voltages.

These alternative models offer similar functionality and can be considered as substitutes for the LTC3130EUDC based on specific application requirements.

In conclusion, the LTC3130EUDC is a versatile power management IC that offers high efficiency, low quiescent current, and adjustable output voltage. Its compact package size and wide input voltage range make it suitable for various applications in different industries. While it has a limited maximum output current, there are alternative models available with higher current capabilities.