Overview
The LM25118MH/NOPB, produced by Texas Instruments, is a wide voltage range Buck-Boost switching regulator controller. This device is designed to implement high-performance, cost-efficient Buck-Boost regulators using a minimum of external components. The LM25118 operates in both buck and buck-boost modes, maintaining output voltage regulation whether the input voltage is less than or greater than the output voltage. This dual-mode approach ensures optimal conversion efficiency in the buck mode and a glitch-free output during mode transitions, making it particularly suitable for automotive applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Input Voltage Operating Range | 3 V to 42 V |
| Switching Frequency | Programmable to 500 KHz |
| Package Type | 20-Pin HTSSOP (Exposed Pad) |
| Operating Temperature Range | -40°C to 125°C |
| Feedback Reference Accuracy | 1.5% |
| Shutdown Current | Ultra-Low |
| Thermal Shutdown | Yes |
Key Features
- Emulated Peak Current Mode Control
- Smooth Transition Between Step-Down and Step-Up Modes
- Oscillator Synchronization Capability
- Internal High Voltage Bias Regulator
- Integrated High and Low-Side Gate Drivers
- Programmable Soft-Start Time
- Enable Input
- Wide Bandwidth Error Amplifier
- Thermal Shutdown
Applications
The LM25118MH/NOPB is especially suitable for automotive applications due to its ability to maintain output voltage regulation over a wide range of input voltages. It is also applicable in other systems requiring high-performance, cost-efficient Buck-Boost regulators, such as industrial power supplies, battery-powered systems, and renewable energy systems.
Q & A
- What is the input voltage operating range of the LM25118MH/NOPB?
The input voltage operating range is from 3 V to 42 V.
- What is the switching frequency of the LM25118MH/NOPB?
The switching frequency is programmable to 500 KHz.
- What type of package does the LM25118MH/NOPB come in?
The device comes in a 20-Pin HTSSOP (Exposed Pad) package.
- What is the operating temperature range of the LM25118MH/NOPB?
The operating temperature range is from -40°C to 125°C.
- Does the LM25118MH/NOPB have thermal shutdown protection?
- What is the feedback reference accuracy of the LM25118MH/NOPB?
The feedback reference accuracy is 1.5%.
- Can the soft-start time be programmed on the LM25118MH/NOPB?
- Does the LM25118MH/NOPB have integrated gate drivers?
- Is the LM25118MH/NOPB suitable for automotive applications?
- Can the LM25118MH/NOPB be used in other applications besides automotive?
