LTC3130EUDC#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: 16-Lead QFN

Essence: The LTC3130EUDC#TRPBF is a high-efficiency, low quiescent current, synchronous buck-boost DC/DC converter. It is designed to provide regulated power supply solutions for various applications.

Packaging/Quantity: The LTC3130EUDC#TRPBF is available in a 16-Lead QFN package and is typically sold in reels of 2500 units.

Specifications

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

Pin Configuration

The LTC3130EUDC#TRPBF has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. SW: Switch Node
4. FB: Feedback Voltage
5. EN: Enable Pin
6. VOUT: Output Voltage
7. PG: Power Good Indicator
8. SS: Soft-Start Capacitor
9. BST: Boost Node
10. AGND: Analog Ground
11. LX: Inductor Connection
12. VCC: Internal Regulator Output
13. VCC2: Internal Regulator Input
14. VCC3: Internal Regulator Bypass
15. VCC4: Internal Regulator Bypass
16. VCC5: Internal Regulator Bypass

Functional Features

• Synchronous Buck-Boost Topology
• Low Quiescent Current: 2.5µA
• Burst Mode® Operation for High Efficiency at Light Loads
• Adjustable Output Voltage with ±1% Accuracy
• Soft-Start and Power Good Indicator
• Overtemperature and Short-Circuit Protection

Advantages and Disadvantages

Advantages: - High efficiency across a wide input voltage range - Low quiescent current for improved battery life - Compact package size for space-constrained applications - Adjustable output voltage for flexibility in design

Disadvantages: - Limited maximum output current (600mA) - Requires careful consideration of thermal management due to operating temperature range

Working Principles

The LTC3130EUDC#TRPBF is based on a synchronous buck-boost topology, allowing it to regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage. It achieves high efficiency by utilizing Burst Mode® operation at light loads, reducing power consumption.

The device features an internal regulator that provides power to its various internal circuits. The feedback voltage pin (FB) allows the user to adjust the output voltage within the specified range. The enable pin (EN) controls the device's operation, while the power good indicator (PG) provides a signal indicating when the output voltage is within regulation limits.

To protect the device and the connected circuitry, the LTC3130EUDC#TRPBF incorporates overtemperature and short-circuit protection mechanisms.

Detailed Application Field Plans

The LTC3130EUDC#TRPBF can be used in various applications requiring regulated power supply solutions. Some potential application fields include:

1. Battery-powered devices: The low quiescent current and wide input voltage range make it suitable for portable electronics, such as smartphones, tablets, and wearable devices.

2. Industrial automation: The adjustable output voltage and high efficiency make it suitable for powering sensors, actuators, and control systems in industrial automation applications.

3. Automotive electronics: The wide input voltage range and robust protection features make it suitable for automotive applications, such as infotainment systems, lighting controls, and power management modules.

4. Renewable energy systems: The LTC3130EUDC#TRPBF can be used in solar-powered systems or energy harvesting applications to efficiently regulate the voltage from the energy source.

Detailed and Complete Alternative Models

1. LTC3115-1: Synchronous Buck-Boost DC/DC Converter with Adjustable Output Voltage and Higher Maximum Output Current (1.5A).
2. LT8390: High-Efficiency Synchronous Buck-Boost DC/DC Converter with Wide Input Voltage Range and Higher Maximum Output Current (4A).
3. TPS63020: Buck-Boost DC/DC Converter with Adjustable Output Voltage and Integrated Power MOSFETs.
4. ADP2504: Synchronous Buck-Boost DC/DC Converter with Low Quiescent Current and Adjustable Output Voltage.

These alternative