Overview
The LM5001SDE/NOPB is a high-voltage switch-mode regulator produced by Texas Instruments. This regulator is designed to implement efficient high-voltage Boost, Flyback, SEPIC, and Forward converters using minimal external components. It integrates a 75-V N-Channel MOSFET with a 1-A peak current limit, making it suitable for a wide range of applications, including DC-DC power supplies in industrial, communications, and automotive sectors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.1 to 75 | V |
| Output Voltage Accuracy | 1.5% | |
| Maximum Switching Frequency | 1.5 MHz | |
| Maximum Duty Cycle | 85% | |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | WSON (8 pins) | |
| Maximum Junction Temperature | 150 | °C |
| Thermal Shutdown Threshold | 165 | °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
- Current Mode Control with Selectable Compensation
- Wide Bandwidth Error Amplifier
- Integrated Current Sensing and Limiting
- Integrated Slope Compensation
- Single Resistor Oscillator Programming
- Oscillator Synchronization Capability
- Enable / Undervoltage Lockout (UVLO) Pin
- Thermal Shutdown
Applications
The LM5001SDE/NOPB is versatile and can be used in various DC-DC power supply topologies, including Boost, Flyback, SEPIC, and Forward converters. It is particularly suitable for industrial, communications, and automotive applications where high-voltage efficiency and reliability are crucial.
- DC-DC Power Supplies
- Industrial Applications
- Communications Equipment
- Automotive Systems
Q & A
- What is the input voltage range of the LM5001SDE/NOPB? The input voltage range is from 3.1 V to 75 V.
- What is the maximum switching frequency of the LM5001SDE/NOPB? The maximum switching frequency is up to 1.5 MHz.
- What type of MOSFET is integrated into the LM5001SDE/NOPB? It integrates a 75-V N-Channel MOSFET.
- What is the output voltage accuracy of the LM5001SDE/NOPB? The output voltage accuracy is 1.5%.
- Does the LM5001SDE/NOPB have thermal shutdown protection? Yes, it has thermal shutdown protection with a threshold of 165°C.
- Can the oscillator of the LM5001SDE/NOPB be synchronized to an external clock? Yes, the oscillator can be synchronized to an external clock.
- What is the maximum duty cycle of the LM5001SDE/NOPB? The maximum duty cycle is 85%.
- Is the LM5001SDE/NOPB AEC-Q100 qualified? Yes, it is AEC-Q100 qualified for operation from -40°C to 125°C.
- What is the package type of the LM5001SDE/NOPB? It comes in an 8-pin WSON package.
- What are some common applications of the LM5001SDE/NOPB? Common applications include DC-DC power supplies in industrial, communications, and automotive sectors.
