Overview
The LMR33620BRNXT from Texas Instruments is a SIMPLE SWITCHER® synchronous step-down DC/DC converter designed for rugged industrial applications. This regulator is known for its ease of use and high efficiency, making it a reliable choice for a wide range of industrial needs. It can drive up to 2 A of load current from an input voltage of up to 36 V and provides high light load efficiency and output accuracy in a compact solution size. The device features a power-good flag and precision enable, enhancing its flexibility and usability in various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 3.8 V to 36 V |
| Output Voltage Range | 1 V to 24 V |
| Output Current | Up to 2 A |
| Control Mode | Peak-current-mode control |
| Minimum On-Time | 68 ns |
| Switching Frequency | 400 kHz, 1.4 MHz, 2.1 MHz |
| Junction Temperature Range | –40°C to +125°C |
| Efficiency | Peak efficiency > 95% |
| Quiescent Current | 25 µA |
| Package Options | 8-pin HSOIC, 12-pin VQFN-HR (RNX) |
Key Features
- Functional Safety-Capable
- Configured for rugged industrial applications
- Low EMI and low switching noise
- Integrated compensation network
- HotRod™ package
- Parallel input current paths
- High power conversion at all loads
- Flexible system interface
- Power-good flag and precision enable
- Thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection
- AEC-Q100-qualified version available
Applications
The LMR33620BRNXT is suitable for a variety of industrial applications, including but not limited to:
- Rugged industrial power systems
- Automotive systems (AEC-Q100-qualified version)
- Industrial control systems
- Power supply modules
- Embedded systems requiring high efficiency and low noise
Q & A
- What is the input voltage range of the LMR33620BRNXT?
The input voltage range is 3.8 V to 36 V. - What is the maximum output current of the LMR33620BRNXT?
The maximum output current is up to 2 A. - What are the available package options for the LMR33620BRNXT?
The device is available in 8-pin HSOIC and 12-pin VQFN-HR (RNX) packages. - What is the peak efficiency of the LMR33620BRNXT?
The peak efficiency is greater than 95%. - Does the LMR33620BRNXT have built-in protection features?
Yes, it includes thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. - Is the LMR33620BRNXT suitable for automotive applications?
Yes, an AEC-Q100-qualified version is available. - What is the junction temperature range of the LMR33620BRNXT?
The junction temperature range is –40°C to +125°C. - Does the LMR33620BRNXT have low EMI and switching noise?
Yes, it is designed to have low EMI and switching noise. - Can the LMR33620BRNXT be used in high-power conversion applications?
Yes, it supports high power conversion at all loads. - How can I design a custom solution using the LMR33620BRNXT?
You can create a custom design using the LMR33620 with the WEBENCH Power Designer.
