Overview
The LM2675M-12/NOPB is a high-performance step-down (buck) switching regulator produced by Texas Instruments. This monolithic integrated DC-DC converter circuit is built using the LMDMOS process and is capable of driving a 1-A load current with excellent line and load regulation. The LM2675 series includes fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-Pin SOIC (D) |
| Operating Temperature Range (°C) | -40 to 125 |
| Input Voltage Range (V) | 8 to 40 |
| Output Voltage (V) | 12 V (fixed), 1.21 V to 37 V (adjustable) |
| Maximum Continuous Output Current (A) | 1 A |
| Switching Frequency (kHz) | 260 kHz |
| Output Voltage Tolerance | ±1.5% over line and load conditions |
| Efficiency | Up to 96% |
| Standby Current | Typically 50 µA |
Key Features
- High efficiency up to 96%
- Available in 8-Pin SOIC, PDIP, and 16-Pin WSON packages
- Requires only 5 external components
- Fixed output voltages of 3.3 V, 5 V, 12 V, and adjustable output version
- Adjustable version output voltage range: 1.21 V to 37 V
- Wide input voltage range: 8 V to 40 V
- 260-kHz fixed frequency internal oscillator
- TTL shutdown capability and low-power standby mode
- Thermal shutdown and current limit protection
Applications
The LM2675M-12/NOPB is suitable for a variety of applications requiring efficient and reliable DC-DC conversion. These include:
- Industrial power supplies
- Telecommunications equipment
- Automotive systems
- Medical devices
- Consumer electronics
Q & A
- What is the maximum output current of the LM2675M-12/NOPB?
The maximum continuous output current is 1 A.
- What are the available output voltage options for the LM2675 series?
The LM2675 series offers fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version ranging from 1.21 V to 37 V.
- What is the switching frequency of the LM2675M-12/NOPB?
The switching frequency is 260 kHz.
- What is the efficiency of the LM2675M-12/NOPB?
The efficiency is up to 96%.
- Does the LM2675M-12/NOPB have thermal protection?
Yes, it includes thermal shutdown and current limit protection.
- What is the operating temperature range of the LM2675M-12/NOPB?
The operating temperature range is -40°C to 125°C.
- How many external components are required for the LM2675M-12/NOPB?
Only 5 external components are required.
- What is the standby current of the LM2675M-12/NOPB?
The standby current is typically 50 µA.
- Is the LM2675M-12/NOPB available in different package types?
Yes, it is available in 8-Pin SOIC, PDIP, and 16-Pin WSON packages.
- What is the input voltage range for the LM2675M-12/NOPB?
The input voltage range is 8 V to 40 V.
