Overview
The LM2672MX-12/NOPB is a monolithic integrated DC-DC converter from Texas Instruments, part of the LM2672 series. This device is designed as a step-down (buck) switching regulator, capable of driving a 1-A load current with excellent line and load regulation. It is available in an 8-pin SOIC package and operates with a high efficiency of over 90%, minimizing the need for additional heat sinking.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC (D) |
| Pins | 8 |
| Operating Temperature Range | -40°C to 125°C |
| Input Voltage Range | 6.5 V to 40 V |
| Output Voltage | Fixed 12 V |
| Maximum Output Current | 1 A |
| Switching Frequency | 260 kHz |
| Typical Quiescent Current | 2.5 mA |
| Output Voltage Tolerance | ±1.5% over line and load conditions |
| Thermal Shutdown and Current Limit Protection | Yes |
Key Features
- High efficiency up to 96%
- Available in 8-pin SOIC and PDIP packages
- Requires only 5 external components
- Fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version
- Adjustable version output voltage range: 1.21 V to 37 V
- TTL shutdown capability and low power standby mode
- Soft-start and frequency synchronization
- Thermal shutdown and current limit protection
Applications
The LM2672MX-12/NOPB is suitable for various applications requiring efficient step-down voltage regulation. These include:
- Simple high-efficiency step-down regulators
- Efficient pre-regulators for linear regulators
- Power supplies in industrial, automotive, and consumer electronics
- Battery-powered devices where high efficiency is crucial
Q & A
- What is the maximum output current of the LM2672MX-12/NOPB?
The maximum output current is 1 A. - What is the operating temperature range of the LM2672MX-12/NOPB?
The operating temperature range is -40°C to 125°C. - What is the input voltage range for the LM2672MX-12/NOPB?
The input voltage range is 6.5 V to 40 V. - What is the output voltage of the LM2672MX-12/NOPB?
The output voltage is fixed at 12 V. - What is the switching frequency of the LM2672MX-12/NOPB?
The switching frequency is 260 kHz. - Does the LM2672MX-12/NOPB have thermal shutdown and current limit protection?
Yes, it does. - What is the typical quiescent current of the LM2672MX-12/NOPB?
The typical quiescent current is 2.5 mA. - How many external components are required for the LM2672MX-12/NOPB?
Only 5 external components are required. - Is the LM2672MX-12/NOPB RoHS compliant?
Yes, it is RoHS compliant. - What are the package options for the LM2672 series?
The LM2672 series is available in 8-pin SOIC and PDIP packages.
