Overview
The LMR33630ADDA from Texas Instruments is a SIMPLE SWITCHER® synchronous step-down DC/DC converter designed for rugged industrial applications. This device offers high efficiency and low electromagnetic interference (EMI), making it suitable for a wide range of industrial and automotive uses. It can drive up to 3 A of load current from an input voltage range of 3.8 V to 36 V and provides an output voltage range of 1 V to 24 V. The LMR33630ADDA is known for its ease of use, high light load efficiency, and small solution size, making it an ideal choice for applications requiring reliable and efficient power conversion.
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 3 A |
| Power MOSFETs RDS-ON | 75 mΩ / 50 mΩ |
| Switching Frequency | 400 kHz, 1.4 MHz, 2.1 MHz |
| Junction Temperature Range | –40°C to +125°C |
| Minimum On-Time | 68 ns |
| Quiescent Current | 25 µA |
| Peak Efficiency | > 95% |
| Package Types | 8-pin HSOIC, 12-pin VQFN-HR |
Key Features
- Ultra-low EMI and switching noise
- Integrated compensation network
- Peak-current-mode control
- High power conversion efficiency at all loads
- Low operating quiescent current of 25 µA
- Flexible system interface with power-good flag and precision enable
- Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection
- AEC-Q100-qualified version available
- HotRod™ package and parallel input current paths for high efficiency
Applications
- Rugged industrial applications
- Automotive systems
- Power supplies for servo drives and other industrial control systems
- Medical devices requiring high efficiency and low noise
- Protection relay modules and other safety-critical systems
Q & A
- What is the input voltage range of the LMR33630ADDA?
The input voltage range is 3.8 V to 36 V.
- What is the maximum output current of the LMR33630ADDA?
The maximum output current is up to 3 A.
- What are the available package types for the LMR33630ADDA?
The device is available in 8-pin HSOIC and 12-pin VQFN-HR packages.
- What is the junction temperature range of the LMR33630ADDA?
The junction temperature range is –40°C to +125°C.
- Does the LMR33630ADDA have built-in protection features?
- What is the peak efficiency of the LMR33630ADDA?
The peak efficiency is greater than 95%.
- Is the LMR33630ADDA AEC-Q100-qualified?
- What are some typical applications for the LMR33630ADDA?
Typical applications include rugged industrial, automotive, and medical devices.
- How does the LMR33630ADDA manage EMI?
The device is designed with ultra-low EMI and switching noise features.
- Can the LMR33630ADDA be used in high-efficiency applications?
