Overview
The Texas Instruments LM25118MHE/NOPB is a highly versatile and efficient current-mode non-synchronous buck-boost controller. This component is designed to operate over a wide input voltage range of 3V to 42V, making it suitable for various power management applications. It features a dual-mode approach that maintains regulation across a broad range of input voltages, ensuring optimal conversion efficiency in buck mode and a glitch-free output during mode transitions. The LM25118MHE/NOPB is packaged in a 20-pin HTSSOP (Heat Sink/Slug, Thin Profile, Shrink Pitch) package, which is RoHS and REACH compliant, and is rated for automotive temperature grades from -40°C to 125°C.
Key Specifications
| Parameter | Description |
|---|---|
| Input Voltage Range | 3V to 42V |
| Output Voltage Range | 1.23V to 38V |
| Output Current | Up to 3.5A |
| Package Type | HTSSOP-20 |
| Number of Pins | 20 |
| Switching Frequency | Up to 500kHz |
| Operating Temperature Range | -40°C to 125°C |
| Control Mode | Current-Mode |
| Topology | Buck-Boost |
| Moisture Sensitivity Level | MSL 1 |
| Peak Reflow Temperature | 260°C |
Key Features
- Dual-mode operation for efficient buck and boost conversion
- Wide input voltage range of 3V to 42V
- Output voltage range from 1.23V to 38V
- Current-mode control with pulse width modulation (PWM)
- Glitch-free output during mode transitions
- Automotive temperature grade (-40°C to 125°C)
- RoHS and REACH compliant
- HTSSOP-20 package with heat sink/slug for improved thermal performance
Applications
The LM25118MHE/NOPB is suitable for a variety of power management applications, including but not limited to:
- Automotive systems requiring wide input voltage ranges
- Industrial power supplies needing high efficiency and reliability
- Consumer electronics with variable input voltages
- Ruggedized systems that require operation over a broad temperature range
Q & A
- What is the input voltage range of the LM25118MHE/NOPB?
The input voltage range is from 3V to 42V. - What is the output voltage range of the LM25118MHE/NOPB?
The output voltage range is from 1.23V to 38V. - What is the maximum output current of the LM25118MHE/NOPB?
The maximum output current is up to 3.5A. - What is the package type of the LM25118MHE/NOPB?
The package type is HTSSOP-20. - Is the LM25118MHE/NOPB RoHS compliant?
Yes, the LM25118MHE/NOPB is RoHS compliant. - What is the operating temperature range of the LM25118MHE/NOPB?
The operating temperature range is from -40°C to 125°C. - What is the switching frequency of the LM25118MHE/NOPB?
The switching frequency can be up to 500kHz. - What is the control mode of the LM25118MHE/NOPB?
The control mode is current-mode with pulse width modulation (PWM). - What topology does the LM25118MHE/NOPB use?
The topology is buck-boost. - Where can I find additional details and specifications for the LM25118MHE/NOPB?
Additional details and specifications can be found in the datasheet available on the Texas Instruments website or through authorized distributors.
