Overview
The LM5002MAX/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 integrates a 75-V N-channel MOSFET with a 0.5-A peak current limit and features current mode control with built-in loop compensation and line-voltage feed-forward for better input transient rejection. The regulator is highly versatile and suitable for various applications requiring high voltage conversion with minimal external component count.
Key Specifications
| Parameter | Value |
|---|---|
| Package / Case | 8-SOIC (0.154, 3.90mm Width), 8-pin WSON |
| Number of Pins | 8 |
| Operating Temperature | -40°C ~ 125°C TJ |
| Input Voltage Range | 3.1 V ~ 75 V |
| Output Voltage Accuracy | 1.5% |
| Switching Frequency | 50 kHz ~ 1.5 MHz |
| Maximum Duty Cycle | 85% |
| Maximum Output Voltage | 76 V |
| Minimum Output Voltage | 3.1 V |
| Quiescent Current | 3.1 mA |
| Peak Reflow Temperature | 260°C |
| RoHS Status | ROHS3 Compliant, Lead Free |
Key Features
- Integrated 75-V N-channel MOSFET with 0.5-A peak current limit
- 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 and undervoltage lockout (UVLO) pin
- Thermal shutdown with hysteresis
Applications
- DC-DC power supplies for industrial, communications, and automotive applications
- Boost, flyback, SEPIC, and forward converter topologies
Q & A
- What is the LM5002MAX/NOPB used for?
The LM5002MAX/NOPB is used to implement efficient high voltage boost, flyback, SEPIC, and forward converters in various applications such as DC-DC power supplies for industrial, communications, and automotive sectors.
- What is the input voltage range of the LM5002MAX/NOPB?
The input voltage range is from 3.1 V to 75 V.
- What is the maximum switching frequency of the LM5002MAX/NOPB?
The maximum switching frequency is 1.5 MHz, and it is configurable using a single resistor or an external clock.
- Does the LM5002MAX/NOPB have built-in protection features?
- What are the available package types for the LM5002MAX/NOPB?
The component is available in 8-pin SOIC and 8-pin WSON packages.
- Is the LM5002MAX/NOPB RoHS compliant?
- What is the maximum duty cycle of the LM5002MAX/NOPB?
- Can the LM5002MAX/NOPB be synchronized with an external clock?
- What is the quiescent current of the LM5002MAX/NOPB?
- What is the peak reflow temperature for the LM5002MAX/NOPB?
- What are the typical applications of the LM5002MAX/NOPB?
