Overview
The LMR14030SQDPRRQ1 is a high-performance, 40V, 3.5A synchronous step-down DC-DC converter produced by Texas Instruments. Designed for a wide range of applications, this component integrates a high-side MOSFET and offers a broad input voltage range from 4V to 40V, making it suitable for industrial, automotive, and consumer electronics. Its advanced features and robust design ensure high efficiency, reliability, and compactness, catering to modern power management needs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4 to 40 | V | |
| Output Current | 3.5 | A | |
| Switching Frequency | Adjustable | kHz | Optimizable for efficiency or component size |
| Quiescent Current (Sleep Mode) | 40 | µA | |
| Shutdown Current | 1 | µA | |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | WSON-10 | Exposed pad for low thermal resistance |
Key Features
- Integrated high-side MOSFET for compact design
- Wide input voltage range supports diverse applications
- Adjustable switching frequency for efficiency optimization
- Low quiescent current in sleep mode for battery-powered systems
- Built-in protections: cycle-by-cycle current limit, thermal shutdown, and output overvoltage protection
Applications
The LMR14030SQDPRRQ1 is versatile, finding use in industrial automation, automotive systems, and consumer electronics. It is particularly effective in powering devices from unregulated sources, such as batteries or adapters, ensuring stable and efficient power delivery. Its robust design and protection features make it ideal for harsh environments and high-reliability applications.
Q & A
What is the input voltage range of LMR14030SQDPRRQ1?
The input voltage range is 4V to 40V.
What is the maximum output current it can handle?
It can handle a maximum output current of 3.5A.
Is the switching frequency adjustable?
Yes, the switching frequency is adjustable, allowing optimization for efficiency or component size.
What is the quiescent current in sleep mode?
The quiescent current in sleep mode is 40µA.
What protections are built into this component?
It includes cycle-by-cycle current limit, thermal shutdown, and output overvoltage protection.
What package does it come in?
It comes in a WSON-10 package with an exposed pad for low thermal resistance.
Is it suitable for automotive applications?
Yes, it is designed for automotive and industrial applications, offering high reliability.
What is the shutdown current?
The shutdown current is 1µA, which helps extend battery life.
Can it operate in harsh environments?
Yes, its wide operating temperature range and built-in protections make it suitable for harsh environments.
What are its typical applications?
Typical applications include industrial automation, automotive systems, and consumer electronics.
