LTC3128IFE

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: 16-Lead TSSOP
• Essence: Step-Up DC/DC Converter
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 1.8V to 5.5V
• Output Voltage Range: Up to 15V
• Switching Frequency: 2MHz
• Quiescent Current: 20µA
• Efficiency: Up to 94%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. SW: Switch Node Connection
3. GND: Ground
4. FB: Feedback Voltage Input
5. EN: Enable Pin
6. SS: Soft-Start Capacitor Connection
7. PGND: Power Ground
8. VOUT: Output Voltage
9. LX: Inductor Connection
10. BST: Boost Regulator Supply Voltage
11. VCC: Internal Regulator Output
12. AGND: Analog Ground
13. RT: Oscillator Timing Resistor
14. CT: Oscillator Timing Capacitor
15. SS/TRK: Soft-Start/Tracking Control
16. PG: Power Good Indicator

Functional Features

• High Efficiency Step-Up DC/DC Converter
• Low Quiescent Current for Extended Battery Life
• Wide Input Voltage Range Allows for Versatile Applications
• Adjustable Output Voltage with Precision Feedback Control
• Integrated Soft-Start and Tracking Control
• Power Good Indicator for Fault Detection

Advantages

• High efficiency results in minimal power loss
• Low quiescent current extends battery life
• Wide input voltage range accommodates various power sources
• Adjustable output voltage provides flexibility
• Integrated soft-start and tracking control simplify system design
• Power good indicator enhances fault detection capabilities

Disadvantages

• Limited to step-up voltage conversion only
• Requires external components for operation
• Relatively small package size may limit heat dissipation

Working Principles

The LTC3128IFE is a step-up DC/DC converter that efficiently boosts the input voltage to a higher output voltage. It utilizes a high-frequency switching regulator to minimize power loss and maximize efficiency. The integrated circuit incorporates a feedback loop to regulate the output voltage, ensuring stability and accuracy. The device also features a soft-start function to gradually ramp up the output voltage during startup, preventing excessive inrush current. Additionally, the power good indicator monitors the output voltage, providing an indication of system health.

Detailed Application Field Plans

The LTC3128IFE is widely used in various applications that require efficient step-up voltage conversion. Some common application fields include: 1. Battery-powered devices: Portable electronics, wireless sensors, and wearables. 2. Industrial equipment: Remote monitoring systems, data loggers, and instrumentation. 3. Automotive electronics: Onboard diagnostics, infotainment systems, and LED lighting. 4. Renewable energy systems: Solar-powered devices, energy harvesting modules, and smart grids. 5. Communication systems: Wireless transceivers, IoT devices, and network infrastructure.

Detailed and Complete Alternative Models

1. LT3467: Step-Up DC/DC Converter with Higher Output Current Capability
2. LTC3108: Step-Up DC/DC Converter with Energy Harvesting Capability
3. LT1308: Step-Up DC/DC Converter with Lower Quiescent Current
4. LTC3526: Step-Up DC/DC Converter with Integrated Power Switch
5. LT1618: Step-Up DC/DC Converter with Higher Switching Frequency

(Note: The above list is not exhaustive and serves as a reference for alternative models.)

This entry provides an overview of the LTC3128IFE, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models. With its high efficiency, low quiescent current, and wide input voltage range, the LTC3128IFE is a versatile step-up DC/DC converter suitable for various power management applications.