NCP1252DDR2G

The NCP1252DDR2G is a high-performance, integrated power management IC designed for applications requiring efficient offline power conversion. It is primarily used in flyback converter designs, which are common in power supplies for LED drivers, adapters, and other electronic devices. The device operates with a wide input voltage range, making it suitable for universal AC input applications.
Key features include a built-in high-voltage startup circuit, adjustable output voltage regulation, and multiple protection mechanisms such as over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown. The NCP1252 also employs a pulse-width modulation (PWM) control scheme, ensuring efficient energy transfer and reducing power loss.
Its compact package and integrated components simplify PCB layout and design processes, making it ideal for space-constrained applications. Overall, the NCP1252DDR2G provides a reliable and efficient solution for designers seeking to implement cost-effective power supply solutions.

The NCP1252DDR2G is a high-performance switch-mode power supply controller designed for various applications, including adapters and chargers. Key features include:
1. Wide Input Voltage Range: Supports a voltage range of 85V to 265V AC, making it suitable for universal input applications.
2. Integrated High-Voltage Startup: Eliminates the need for external components, simplifying design and reducing footprint.
3. Fixed Frequency Operation: Operates at a nominal frequency of 65 kHz, providing stable performance and efficiency.
4. Peak Current Mode Control: Enhances transient response and provides inherent current limiting.
5. Low Standby Power: Designed for energy-efficient operation, helping to meet stringent energy regulations.
6. Built-in Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown to ensure reliability and safety.
7. Compact Package: Available in a SOP-8 package, allowing for space-saving PCB designs.
These features make the NCP1252DDR2G ideal for compact, efficient power supply solutions.

The NCP1252DDR2G is packaged in a DPAK (TO-252) type package. This surface-mount package is designed for efficient thermal performance and space-saving in applications such as power supplies and converters.

The NCP1252DDR2G is a power supply control IC from ON Semiconductor, primarily used for off-line power converters. It features a 16-pin SSOP package.
Pin Count: 16 pins
Functions of Key Pins:
1. VCC (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground reference.
3. CSN (Pin 3): Current sense input for overcurrent protection.
4. COMP (Pin 4): Compensation network connection.
5. FB (Pin 5): Feedback input for voltage regulation.
6. RT (Pin 6): Timing resistor input for switching frequency.
7. DRAIN (Pin 7): Switch output to transformer.
8. VREF (Pin 8): Reference voltage output.
9. SS (Pin 9): Soft-start time control.
10. ISENSE (Pin 10): Input for overvoltage protection.
11. CT (Pin 11): Timing capacitor connection.
12. DTC (Pin 12): Duty cycle control.
13. OUT (Pin 13): Output driver for gate control.
14. RAMP (Pin 14): Ramp generator for control loop.
15. PFC (Pin 15): Power factor correction input.
16. NC (Pin 16): No connect.
This IC is commonly used in applications such as adapters, chargers, and low-power power supplies.

The NCP1252DDR2G is manufactured by ON Semiconductor, a global semiconductor company headquartered in Phoenix, Arizona. ON Semiconductor specializes in designing and manufacturing a wide range of innovative semiconductor solutions, including power management, analog, and discrete components. The company serves various industries, such as automotive, industrial, communications, and consumer electronics. Their products are known for efficiency and performance, catering to applications like power supply, energy management, and signal processing.

The NCP1252DDR2G is a PWM controller primarily used in power supply applications. Its key application areas include AC-DC adapters, battery chargers, and isolated power supplies for consumer electronics. It is also suitable for offline switch-mode power supplies (SMPS) in telecommunications, industrial equipment, and LED drivers, facilitating efficient power conversion and regulation.

The NCP1252DDR2G is a high-performance flyback controller. Equivalent products include the TOPSwitch-series from Power Integrations (e.g., TOPSwitch-JX), the LNK series from Power Integrations (e.g., LNK623DG), and the LM2596 from Texas Instruments, which can be used in similar applications. Always verify the specific requirements and features, such as input voltage range and output power, before selecting an alternative.