Overview
The LM25088MH-1/NOPB is a wide input range non-synchronous buck controller IC produced by Texas Instruments. This component is designed to provide efficient and reliable DC-DC conversion with various features to enhance performance and reduce electromagnetic interference (EMI). The LM25088 series includes two versions: the LM25088-1, which offers a ±5% frequency dithering function to reduce conducted and radiated EMI, and the LM25088-2, which provides a versatile restart timer for overload protection.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.5V to 42V |
| Output Voltage Range | 0.8V to 33V |
| Switching Frequency | 1000 kHz |
| Package Type | 16-pin HTSSOP |
| Operating Temperature Range | -40°C to 125°C |
| Frequency Dithering (LM25088-1) | ±5% |
Key Features
- Wide input voltage range from 4.5V to 42V.
- Output voltage adjustable from 0.8V to 33V.
- High switching frequency of 1000 kHz.
- Emulated control ramp to reduce noise sensitivity of the pulse-width modulation circuit.
- ±5% frequency dithering function (LM25088-1) to reduce EMI.
- Versatile restart timer for overload protection (LM25088-2).
Applications
The LM25088MH-1/NOPB is suitable for a variety of applications requiring efficient DC-DC conversion, including but not limited to:
- Automotive systems: Due to its wide input voltage range and high temperature tolerance, it is ideal for automotive power systems.
- Industrial power supplies: The component's ability to handle high input voltages and its robust design make it suitable for industrial power supply applications.
- Consumer electronics: It can be used in various consumer electronics requiring efficient and reliable power conversion.
Q & A
- What is the input voltage range of the LM25088MH-1/NOPB? The input voltage range is from 4.5V to 42V.
- What is the switching frequency of the LM25088MH-1/NOPB? The switching frequency is 1000 kHz.
- What package type is the LM25088MH-1/NOPB available in? It is available in a 16-pin HTSSOP package.
- Does the LM25088MH-1/NOPB have a frequency dithering function? Yes, the LM25088-1 version includes a ±5% frequency dithering function to reduce EMI.
- What is the operating temperature range of the LM25088MH-1/NOPB? The operating temperature range is from -40°C to 125°C.
- Is the LM25088MH-1/NOPB suitable for automotive applications? Yes, it is suitable due to its wide input voltage range and high temperature tolerance.
- What is the purpose of the emulated control ramp in the LM25088MH-1/NOPB? The emulated control ramp reduces noise sensitivity of the pulse-width modulation circuit.
- Does the LM25088MH-1/NOPB have overload protection? Yes, the LM25088-2 version includes a versatile restart timer for overload protection.
- What is the output voltage range of the LM25088MH-1/NOPB? The output voltage is adjustable from 0.8V to 33V.
- Where can I purchase the LM25088MH-1/NOPB? It can be purchased from various electronic component distributors such as Digi-Key, RS Components, and TI.com.
