LD7575PS

The LD7575PS is an integrated circuit designed for offline switch-mode power supply (SMPS) applications. It is a highly efficient, low-cost solution for converting AC mains voltage to regulated DC output. This device typically operates in a flyback topology and features a built-in high-voltage startup circuit, which eliminates the need for an external startup resistor.
Key features of the LD7575PS include adjustable output voltage, over-voltage protection (OVP), under-voltage lockout (UVLO), and a thermal shutdown mechanism, enhancing the reliability and safety of power supply designs. The IC operates with low quiescent current, making it suitable for energy-efficient applications, including adapters and LED drivers.
The LD7575PS supports a wide input voltage range, making it adaptable for various power supply requirements. Its compact size and functionality make it an ideal choice for consumer electronics, industrial equipment, and other applications where space and efficiency are critical. Overall, the LD7575PS provides a robust solution for designers seeking reliable and cost-effective power supply solutions.

The LD7575PS is a high-performance, low-power switching regulator controller designed for various applications. Key features include:
1. Wide Input Voltage Range: Operates from 8V to 30V, making it suitable for different power supply scenarios.
2. Integrated PWM Control: Ensures high efficiency across a range of loads, enhancing overall system performance.
3. Low Standby Current: Reduces power consumption during idle periods, contributing to energy efficiency.
4. Adjustable Output Voltage: Enables customization of the output voltage to meet specific application requirements.
5. Built-in Soft Start: Minimizes inrush current during startup, protecting components and ensuring stable operation.
6. Over-Current Protection: Safeguards the device against excessive current, enhancing reliability.
7. Thermal Shutdown: Prevents damage from overheating by shutting down the output in case of excessive temperature.
8. Compact Package: Available in a space-saving package, facilitating easy integration into various designs.
These features make the LD7575PS ideal for use in power supply systems, battery chargers, and other electronic devices requiring efficient voltage regulation.

The LD7575PS is available in a 7-pin SOP (Small Outline Package) package type.

The LD7575PS is a power management integrated circuit commonly used in LED driver applications. It typically comes in a 16-pin package.
Here are the key functions of the pins:
1. VDD (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground connection.
3. COMP (Pin 3): Compensation network for stability.
4. RCS (Pin 4): Senses current through a sense resistor.
5. CSN (Pin 5): Current sense negative input.
6. CSP (Pin 6): Current sense positive input.
7. SW (Pin 7): Switch output to the inductor.
8. LD (Pin 8): LED driver output.
9. FB (Pin 9): Feedback pin for voltage regulation.
10. VREF (Pin 10): Reference voltage output.
11. Rset (Pin 11): Resistor for setting output current.
12. EN (Pin 12): Enable pin for device activation.
13. COT (Pin 13): Compensation for output transient response.
14. NTC (Pin 14): NTC thermistor connection for temperature monitoring.
15. SLOPE (Pin 15): Slope compensation input.
16. SENSE (Pin 16): Additional current sense input.
This configuration allows for effective control and regulation in LED driving applications.

The LD7575PS is manufactured by LONGLITE Technology Co., Ltd., a company specializing in power management solutions. LONGLITE focuses on designing and producing integrated circuits for various applications, including LED drivers, power supplies, and battery management systems. They cater to a wide range of industries, providing innovative solutions to enhance energy efficiency and performance. Their products often target consumer electronics, industrial equipment, and automotive applications. The LD7575PS itself is a highly integrated power supply controller designed for offline applications, illustrating LONGLITE's commitment to advanced technology in power management.

The LD7575PS is a cost-effective, high-voltage PWM controller commonly used in power supply applications. It is primarily employed in switching power supplies, LED drivers, and adapters for consumer electronics, industrial equipment, and automotive systems. Its features, such as built-in over-voltage and over-current protection, make it suitable for reliable power management in a variety of applications, including chargers, power converters, and isolated/non-isolated power supplies.

The LD7575PS is a primary-side PWM controller used in power supply applications. Equivalent products include the following:
1. LM3491 - Texas Instruments
2. TOPSwitch-GX series - Power Integrations
3. NCP1200 - ON Semiconductor
4. UC3843 - Texas Instruments (for slightly different applications)
Always verify specifications and compatibility for your specific application needs.