Overview
The LMR33620BRNXR is a high-efficiency, synchronous step-down DC-DC converter produced by Texas Instruments. Designed for a wide range of applications, this product is part of the SIMPLE SWITCHER® family, offering a compact solution with minimal external components. It is ideal for power management in industrial, automotive, and consumer electronics. The LMR33620BRNXR stands out for its high efficiency, low quiescent current, and robust performance, making it a competitive choice for designers seeking reliable power conversion solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.8 to 36 | V | |
| Output Voltage Range | 1 to 17 | V | Adjustable |
| Output Current | 2 | A | Continuous |
| Switching Frequency | 2.1 | MHz | |
| Efficiency | Up to 95 | % | |
| Quiescent Current | 18 | µA | |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | VQFN-HR (12-pin) | 3.5 mm x 2.5 mm |
Key Features
- High efficiency up to 95%, reducing power losses and improving thermal performance.
- Wide input voltage range (3.8V to 36V) suitable for various power sources.
- Low quiescent current (18 µA) for improved efficiency in light-load conditions.
- Integrated synchronous rectification for compact designs and reduced external components.
- 2.1 MHz switching frequency enabling small external components and compact PCB layouts.
- Robust protection features including thermal shutdown, overcurrent, and undervoltage lockout.
Applications
The LMR33620BRNXR is widely used in applications requiring efficient power conversion. Its key application areas include:
- Industrial Automation: Powering sensors, controllers, and communication modules.
- Automotive Electronics: Supporting infotainment systems, ADAS, and lighting solutions.
- Consumer Electronics: Enabling compact power supplies for portable devices and IoT products.
- Telecommunications: Providing reliable power for network equipment and base stations.
Q & A
1. What is the input voltage range of the LMR33620BRNXR?
The input voltage range is 3.8V to 36V.
2. What is the maximum output current it can support?
It can support a continuous output current of up to 2A.
3. What is the switching frequency of this converter?
The switching frequency is 2.1 MHz.
4. Does it support adjustable output voltage?
Yes, the output voltage is adjustable from 1V to 17V.
5. What is the efficiency of the LMR33620BRNXR?
It offers efficiency up to 95%.
6. What is the quiescent current of this device?
The quiescent current is 18 µA.
7. What protection features are included?
It includes thermal shutdown, overcurrent, and undervoltage lockout protection.
8. What is the operating temperature range?
It operates from -40°C to +125°C.
9. What package does the LMR33620BRNXR come in?
It comes in a VQFN-HR (12-pin) package measuring 3.5 mm x 2.5 mm.
10. Is this device suitable for automotive applications?
Yes, it is suitable for automotive electronics, including infotainment and ADAS systems.
