Overview
The LM3488QMM/NOPB, produced by Texas Instruments, is a high-performance, low-side N-FET controller designed for use in switching regulators. This device is AEC-Q100 qualified, making it suitable for automotive applications. It supports various topologies such as boost, flyback, and SEPIC converters. The LM3488QMM/NOPB is known for its versatility, high efficiency, and robust protection features, making it an ideal choice for a wide range of power supply designs.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 2.97 V to 40 V |
| Switching Frequency | 100 kHz to 1 MHz (adjustable and synchronizable) |
| Peak Current Capability | 1 A |
| Internal Reference Accuracy | ±1.5% (overtemperature) |
| Shutdown Current | 5 µA |
| Operating Temperature Range | -40°C to 125°C |
| Package Type | 8-Lead VSSOP (DGK) |
Key Features
- Automotive Grade Product, AEC-Q100 Qualified
- 8-Lead VSSOP Package
- Internal Push-Pull Driver With 1-A Peak Current Capability
- Current Limit and Thermal Shutdown
- Frequency Compensation Optimized With a Capacitor and a Resistor
- Internal Soft-Start
- Current Mode Operation
- Undervoltage Lockout With Hysteresis
- Short-Circuit Protection and Overvoltage Protection
- Power-Saving Shutdown Mode Reducing Total Supply Current to 5 µA
Applications
The LM3488QMM/NOPB is suitable for a variety of applications, including:
- Automotive Power Systems
- Boost, Flyback, and SEPIC Converters
- High-Efficiency Power Supplies
- Industrial Power Systems
- Consumer Electronics Requiring High-Performance Power Management
Q & A
- What is the supply voltage range of the LM3488QMM/NOPB?
The supply voltage range is from 2.97 V to 40 V.
- What are the adjustable switching frequencies for the LM3488QMM/NOPB?
The switching frequency can be adjusted from 100 kHz to 1 MHz.
- What is the peak current capability of the internal push-pull driver?
The peak current capability is 1 A.
- What is the accuracy of the internal reference voltage?
The internal reference voltage has an accuracy of ±1.5% overtemperature.
- What is the shutdown current of the LM3488QMM/NOPB?
The shutdown current is 5 µA.
- What is the operating temperature range of the LM3488QMM/NOPB?
The operating temperature range is from -40°C to 125°C.
- What type of package does the LM3488QMM/NOPB come in?
The device comes in an 8-Lead VSSOP (DGK) package.
- Does the LM3488QMM/NOPB have built-in protection features?
Yes, it includes thermal shutdown, short-circuit protection, and overvoltage protection.
- How does the internal soft-start feature work?
The internal soft-start feature limits the inrush current at start-up.
- Can the LM3488QMM/NOPB be used in automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications.
