LTC3109IUF#PBF

Product Overview

Category

The LTC3109IUF#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used to efficiently convert and manage power from various sources, such as solar panels or thermoelectric generators, to provide a stable power supply for electronic devices.

Characteristics

• High efficiency power conversion
• Wide input voltage range
• Low quiescent current
• Compact package size
• Robust design for harsh environments

Package

The LTC3109IUF#PBF is available in a small form factor 16-pin QFN (Quad Flat No-Lead) package, which allows for easy integration into space-constrained designs.

Essence

The essence of the LTC3109IUF#PBF lies in its ability to harvest and convert energy from ambient sources, enabling autonomous operation of low-power electronic devices.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 225mV to 5.5V
• Output Voltage Range: 1.8V to 5.25V
• Maximum Output Current: 300mA
• Quiescent Current: 950nA
• Operating Temperature Range: -40°C to 85°C
• Efficiency: Up to 90%

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. VOUT: Output voltage pin
4. EN: Enable pin
5. PG: Power good indicator pin
6. LBIAS: Inductor bias pin
7. LX: Switching node pin
8. BST: Boost capacitor connection pin
9. FB: Feedback voltage pin
10. SS: Soft-start capacitor connection pin
11. VREF: Reference voltage output pin
12. VDD: Internal supply voltage pin
13. AGND: Analog ground reference pin
14. PGND: Power ground reference pin
15. VOUT2: Secondary output voltage pin
16. VOUT2_EN: Secondary output enable pin

Functional Features

• Energy harvesting from low input voltages
• Integrated boost converter for efficient power conversion
• Low quiescent current for extended battery life
• Power good indicator for system monitoring
• Multiple output voltage options for flexibility
• Soft-start feature for controlled startup

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range allows for versatile applications
• Compact package size enables integration in space-constrained designs
• Robust design suitable for harsh environments
• Multiple output voltage options provide flexibility for different devices

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Requires external components for complete power management solution

Working Principles

The LTC3109IUF#PBF operates on the principle of energy harvesting and power conversion. It utilizes an integrated boost converter to efficiently convert low input voltages into higher output voltages, suitable for powering electronic devices. The device incorporates a feedback mechanism to regulate the output voltage and maintain stability. Additionally, it features a power good indicator to monitor the status of the power supply.

Detailed Application Field Plans

The LTC3109IUF#PBF finds applications in various fields, including: 1. Internet of Things (IoT) devices 2. Wireless sensor networks 3. Wearable electronics 4. Remote monitoring systems 5. Environmental monitoring devices

Detailed and Complete Alternative Models

1. LTC3108: Similar functionality with lower input voltage range
2. LTC3105: Higher maximum output current with similar input voltage range
3. LTC3106: Integrated MPPT (Maximum Power Point Tracking) for solar energy harvesting

These alternative models offer similar power management capabilities and can be considered based on specific application requirements.

In conclusion, the LTC3109IUF#PBF is a versatile integrated circuit designed for efficient power management and energy harvesting applications. With its compact size, wide input voltage range, and high efficiency, it offers a reliable solution for powering low-power electronic devices in various fields.