Part Number: LD7575PS

Manufacturer: Leadtrend

Categories: Switching Power Supply ICs

Shipped from: Shenzhen/HK Warehouse

Stock Available: Check with us


In today’s rapidly advancing world of technology, power management has become an essential and crucial aspect. As we aim to enhance energy utilization and promote efficiency, a powerful contender emerges: the LD7575PS. Imagine a power controller that not only effectively manages the intricate currents of AC/DC applications but also revolutionizes efficiency standards. Are you ready to embark on a journey through the realms of innovation and precision?

Unveiling the LD7575PS

The LD7575PS shines as a sign of hope in a world where power control is hard. This current-mode PWM processor is more than just a part; it changes the way things work. It has the ability to change the way people use energy because it has a natural understanding of how to save power. But what is different about the LD7575PS? Why is it such an important part of the dance between power and efficiency?

Navigating the LD7575PS Landscape

The LD7575PS is not just another PWM device; it changes the rules of the game. One of the most amazing things about it is that it has a high-voltage source of current, which brings a new era of efficiency. The LD7575PS uses energy more efficiently than ever before by getting startup current straight from the bulk capacitor and offering a startup circuit with no energy loss.

Key Features and Benefits

The LD7575PS is more than just a controller; it is a blend of new ideas and good use of resources. Let’s look at its main features and see how they work together to make power control even better.

● Current Mode Control: Precision in Performance

The LD7575PS has current mode control, which is a basic function that makes sure the device is accurate and stable. This function keeps the output voltage steady even when the load changes. It does this by modulating the switch current. The LD7575PS is a reliable partner for a wide range of uses because of how well it works.

● Non-Audible-Noise Green Mode: Silence with Efficiency

Imagine a power manager that not only makes the best use of energy but also keeps noise to a minimum. The LD7575PS does this with its green mode button, which doesn’t make any noise you can hear. This clever feature cuts down on noise while the machine is running, making it quieter while keeping its efficiency.

● Under Voltage Lockout (UVLO): Shielding Against Voltage Fluctuations

Power systems can suffer greatly from voltage variations. The UVLO function of the LD7575PS serves as a watchdog, ensuring that the input voltage stays within safe bounds. UVLO protects the system from harm and raises its reliability by forbidding operation below predetermined voltages.

● Leading-Edge Blanking (LEB): Enhancing Accuracy

Transients can cause errors when current sensing and high-frequency switching are combined. By blanking the initial current-sensing pulses, LEB saves the day by preventing erroneous triggering. This results in increased precision and reliability of performance.

● Programmable Switching Frequency: Tailoring Efficiency

Efficiency is all about personalization, and the LD7575PS’s configurable switching frequency provides that. Engineers can adjust the frequency to achieve the ideal balance between functionality and efficacy, ensuring excellent performance under a variety of conditions.

● Internal Slope Compensation: Stability Simplified

The inbuilt slope adjustment of the LD7575PS streamlines stability maintenance despite load changes. This clever improvement makes the compensating circuitry simpler, which leads to a system that maintains stability and dependability under varied loads.

● Over Voltage Protection (OVP) and Over Load Protection (OLP): Guardians of Integrity

The administration of power must prioritize safety. The OVP and OLP mechanisms of the LD7575PS serve as watchful guardians. OLP defends against excessive current draw whereas OVP guards against voltage spikes that could harm components. These safeguards prolong component longevity in addition to improving system integrity.

● Driving Capability: Power to Propel

Applications that consume a lot of power demand controllers with a large driving capacity. In this regard, the LD7575PS excels thanks to its 500mA driving capacity. As a result, it can support heavier weights, increasing its potential for use in a variety of applications.

● The Collective Symphony

Each of these aspects exemplifies creativity and effectiveness. However, it is their interconnected harmony that best characterizes the LD7575PS. These elements work together to provide a power controller that improves performance, maximizes energy efficiency, and provides a seamless user experience. The significance of these features will become much more apparent when we examine their applications, demonstrating how the LD7575PS elevates power management to a fine art of accuracy and efficiency.

Pioneering Applications

The LD7575PS’s versatility shines through in a diverse array of applications:

  • Power Supplies: The LD7575PS is the key to making efficient power supplies for everything from household electronics to industrial machinery.
  • LED lighting: The LD7575PS’s current-mode precision helps LED systems get the most out of their brightness and energy use.
  • Chargers should be as efficient as possible, and the LD7575PS’s ability to save power means that the battery will last longer and it will use less energy.
  • Taking home appliances to the next level: The LD7575PS’s high voltage handling and efficiency give home appliances like air conditioners and refrigerators a competitive boost.

Applications and Use Cases

The LD7575PS doesn’t just work in one area. Its versatility shines in a wide range of uses, changing the way power is managed in many different industries.

Power Supplies: Empowering Efficiency

Power supplies are the core of a huge number of gadgets. The LD7575PS does a great job in this area, converting energy as efficiently as possible and making power transmission more effective. Imagine a laptop charger that doesn’t waste energy and lets the battery last as long as possible. That’s how the LD7575PS works.

LED Lighting: Illuminating Innovation

The way lights are used is changing, and the LD7575PS is at the heart of this change. It makes lighting more stable and saves energy by making sure LEDs get a steady flow of power. The LD7575PS turns LED lighting into an energy-efficient work of art, whether it’s in lamps or in lighting systems inside.

Battery Chargers: Energizing Sustainably

Chargers are important in our world of devices, and the LD7575PS provides a long-term answer. It makes the charge currents work best, which extends the life of the battery and saves energy. Imagine a phone charger that not only gives your phone power but also does so in a way that reduces its carbon footprint.

Home Appliances: Elevating Everyday Efficiency

Home appliances, such as refrigerators and air conditioners, are essential to modern living. Here, the versatility of the LD7575PS shines, maximizing power usage without sacrificing performance. Imagine an air conditioner that uses the LD7575PS to cool your house effectively and affordably.

Real-World Integration

Consider a situation where a solar inverter is powered by the LD7575PS. It makes a solar energy system more effective by maximizing energy conversion and reducing losses. Similar to this, it provides the reliable and effective operation of conveyor belt systems in an industrial setting, lowering energy consumption without compromising output.

Versatility Unleashed

The versatility of the LD7575PS across locations and industries is its true miracle. It readily integrates into a wide range of applications, including medical equipment and automobile electronics. It is a cornerstone of energy-efficient designs due to its skill in conserving power and adept control, both of which are advantageous to everyone.


Within the dynamic realm of power management, the LD7575PS stands as a prominent figure, serving as a pioneer in the realm of power efficiency and precision. This component boasts a range of exceptional features, including a high-voltage startup circuit and current-mode control, all of which contribute to its status as an invaluable asset for the creation of energy-efficient and dependable power circuits. As technology continues to advance, the LD7575PS remains a steadfast symbol of innovation geared toward energy-conscious practices. It continually provides guidance to engineers and designers, leading them toward a future where power is harnessed with the utmost efficiency.

For those seeking further information or looking to acquire the LD7575PS at an affordable price contact ICRFQ. As a top-tier Chinese distributor of electronic components, we can offer insights and assistance in procuring this component.

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Kevin Chen