Overview
The LM76003RNPT is a synchronous buck DC/DC converter produced by Texas Instruments, designed for applications requiring high efficiency and compact size. This model operates with an input voltage range of 3.5V to 60V and can deliver a maximum output current of 3.5A. It is particularly suitable for industrial, automotive, and consumer electronics applications where robust performance and reliability are essential. The LM76003RNPT stands out for its integrated synchronous rectification, high efficiency across a wide load range, and advanced protection features, making it a competitive choice in the power management market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage (Min) | 3.5 | V | |
| Input Voltage (Max) | 60 | V | |
| Output Voltage (Min) | 1 | V | |
| Output Voltage (Max) | 57 | V | |
| Output Current (Max) | 3.5 | A | |
| Quiescent Current (Typ) | 15 | µA | |
| Switching Frequency (Min) | 300 | kHz | |
| Switching Frequency (Max) | 2200 | kHz | |
| Control Mode | Current Mode | ||
| Duty Cycle (Max) | 98 | % |
Key Features
- Integrated synchronous rectification for improved efficiency.
- Wide input voltage range (3.5V to 60V) for versatile applications.
- Advanced protection features including over-current and thermal shutdown.
- Adjustable switching frequency (300kHz to 2.2MHz) for optimized performance.
- Light load efficiency and forced PWM modes for enhanced power management.
Applications
The LM76003RNPT is widely used in various industries due to its robust design and high efficiency. In industrial automation, it powers sensors and control systems. In automotive electronics, it is ideal for infotainment systems and advanced driver-assistance systems (ADAS). Additionally, it is suitable for consumer electronics such as smart home devices and portable gadgets, where compact size and reliable performance are critical.
Q & A
1. What is the input voltage range of the LM76003RNPT?
The input voltage range is 3.5V to 60V.
2. What is the maximum output current it can deliver?
It can deliver a maximum output current of 3.5A.
3. Does it support adjustable switching frequency?
Yes, the switching frequency can be adjusted from 300kHz to 2.2MHz.
4. What are the key protection features?
It includes over-current protection, thermal shutdown, and short-circuit protection.
5. Is it suitable for automotive applications?
Yes, it is designed to meet automotive standards and is ideal for automotive electronics.
6. What is the typical quiescent current?
The typical quiescent current is 15µA.
7. Can it operate in forced PWM mode?
Yes, it supports forced PWM mode for better performance at light loads.
8. What is the maximum duty cycle?
The maximum duty cycle is 98%.
9. Does it have a power good indicator?
Yes, it includes a power good status flag.
10. What is the package type of the LM76003RNPT?
It comes in a WQFN30 package.
