Overview
The LM5001SD/NOPB is a high-voltage switch-mode regulator produced by Texas Instruments. This component is designed to implement efficient high-voltage Boost, Flyback, SEPIC, and Forward converters using few external components. It features an integrated 75-V N-Channel MOSFET with a 1-A peak current limit, making it suitable for a wide range of DC-DC conversion applications. The regulator is AEC-Q100 qualified, ensuring reliability in automotive and industrial environments. It operates over an ultra-wide input voltage range from 3.1 V to 75 V and provides adjustable output voltage with 1.5% output voltage accuracy.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | WSON (NGT) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Input Voltage Range | 3.1 to 75 | V |
| Output Voltage Range | 1.26 to 75 | V |
| Peak Current Limit | 1 A | A |
| Switching Frequency | Up to 1.5 MHz | Hz |
| Maximum Duty Cycle | 85% | % |
| Thermal Shutdown Threshold | 165 °C | °C |
Key Features
- AEC-Q100 Qualified (TJ = -40°C to 125°C)
- Integrated 75-V N-Channel MOSFET
- Ultra-Wide Input Voltage Range from 3.1 V to 75 V
- Integrated High Voltage Bias Regulator
- Adjustable Output Voltage
- 1.5% Output Voltage Accuracy
- Current Mode Control with Selectable Compensation
- Wide Bandwidth Error Amplifier
- Integrated Current Sensing and Limiting
- Integrated Slope Compensation
- 85% Maximum Duty Cycle Limit
- Single Resistor Oscillator Programming
- Oscillator Synchronization Capability
- Enable / Undervoltage Lockout (UVLO) Pin
- Thermal Shutdown
Applications
The LM5001SD/NOPB is versatile and can be used in various DC-DC power supply applications, including:
- Boost, Flyback, SEPIC, and Forward converter topologies
- DC-DC power supplies for industrial, communications, and automotive applications
- Non-isolated and isolated Flyback converters
- SEPIC and Forward converters in automotive and industrial settings
Q & A
- What is the input voltage range of the LM5001SD/NOPB?
The input voltage range is from 3.1 V to 75 V.
- What is the peak current limit of the LM5001SD/NOPB?
The peak current limit is 1 A.
- What is the maximum switching frequency of the LM5001SD/NOPB?
The maximum switching frequency is up to 1.5 MHz.
- Does the LM5001SD/NOPB have thermal shutdown protection?
- Can the oscillator of the LM5001SD/NOPB be synchronized to an external clock?
- What is the output voltage accuracy of the LM5001SD/NOPB?
- Is the LM5001SD/NOPB AEC-Q100 qualified?
- What is the package type of the LM5001SD/NOPB?
- What are some typical applications of the LM5001SD/NOPB?
- Does the LM5001SD/NOPB have an Enable / Undervoltage Lockout (UVLO) feature?
