仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Applications | Secondary-Side Controller |
| Voltage-Supply | 9.5V ~ 30V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The NCP4304ADR2G is a secondary-side synchronous rectification (SR) controller designed by ON Semiconductor for switch-mode power supplies. It improves the efficiency of power converters by controlling a MOSFET to replace traditional diode rectifiers, thus reducing power losses during rectification.
Key features include:
1. Efficiency: By replacing diodes with MOSFETs, the component minimizes conduction losses, improving overall energy efficiency.
2. Adaptive Gate Drive: The controller adapts its gate drive for optimal timing, ensuring minimal ON and OFF delays.
3. Wide Voltage Range: It supports a broad range of output voltages, making it versatile for various applications.
4. Protection Features: Includes protection against over-voltage, under-voltage, and over-temperature conditions.
5. Compatibility: It can be used in various topologies such as flyback, forward, and half-bridge converters.
Applications include power adapters, LED drivers, and other high-efficiency power conversion systems. Its compact design and robust features make it suitable for energy-conscious designs requiring efficient power conversion.
Key features include:
1. Efficiency: By replacing diodes with MOSFETs, the component minimizes conduction losses, improving overall energy efficiency.
2. Adaptive Gate Drive: The controller adapts its gate drive for optimal timing, ensuring minimal ON and OFF delays.
3. Wide Voltage Range: It supports a broad range of output voltages, making it versatile for various applications.
4. Protection Features: Includes protection against over-voltage, under-voltage, and over-temperature conditions.
5. Compatibility: It can be used in various topologies such as flyback, forward, and half-bridge converters.
Applications include power adapters, LED drivers, and other high-efficiency power conversion systems. Its compact design and robust features make it suitable for energy-conscious designs requiring efficient power conversion.
Equivalent
The NCP4304ADR2G is a synchronous rectifier controller commonly used in power supply applications. Equivalent products include:
1. UCC24610 from Texas Instruments
2. IR1167 from Infineon Technologies
3. TEA1795T from NXP Semiconductors
4. SRK2000 from STMicroelectronics
These components serve similar functions in controlling synchronous rectification to increase efficiency in power supply designs. Always confirm pin compatibility and electrical characteristics when choosing an equivalent.
1. UCC24610 from Texas Instruments
2. IR1167 from Infineon Technologies
3. TEA1795T from NXP Semiconductors
4. SRK2000 from STMicroelectronics
These components serve similar functions in controlling synchronous rectification to increase efficiency in power supply designs. Always confirm pin compatibility and electrical characteristics when choosing an equivalent.
Features
The NCP4304ADR2G is a secondary-side synchronous rectifier controller designed for switch-mode power supplies. It is optimized for flyback, forward, and half-bridge resonant topologies. Key features include:
1. High Efficiency: Enhances efficiency by reducing rectification losses, replacing diodes with low-resistance MOSFETs.
2. Wide Operating Range: Supports a broad range of switching frequencies and voltage levels, making it versatile for various applications.
3. Fast Turn-Off: Provides rapid turn-off of the MOSFET to minimize body diode conduction time, improving efficiency.
4. Adaptive Gate Drive: Features adaptive gate drive for optimal MOSFET performance, reducing voltage spikes and improving reliability.
5. Low Standby Power: Low operating current and standby power consumption, suitable for energy-efficient designs.
6. Protection Features: Includes built-in protection mechanisms such as overvoltage, undervoltage lockout, and thermal shutdown.
7. Compact Package: Available in compact, easy-to-integrate SOIC-8 package, making it suitable for space-constrained designs.
These features make the NCP4304ADR2G ideal for applications requiring efficient power conversion and compact design, such as adapters, chargers, and various consumer electronics.
1. High Efficiency: Enhances efficiency by reducing rectification losses, replacing diodes with low-resistance MOSFETs.
2. Wide Operating Range: Supports a broad range of switching frequencies and voltage levels, making it versatile for various applications.
3. Fast Turn-Off: Provides rapid turn-off of the MOSFET to minimize body diode conduction time, improving efficiency.
4. Adaptive Gate Drive: Features adaptive gate drive for optimal MOSFET performance, reducing voltage spikes and improving reliability.
5. Low Standby Power: Low operating current and standby power consumption, suitable for energy-efficient designs.
6. Protection Features: Includes built-in protection mechanisms such as overvoltage, undervoltage lockout, and thermal shutdown.
7. Compact Package: Available in compact, easy-to-integrate SOIC-8 package, making it suitable for space-constrained designs.
These features make the NCP4304ADR2G ideal for applications requiring efficient power conversion and compact design, such as adapters, chargers, and various consumer electronics.
Pinout
The NCP4304ADR2G is a secondary-side synchronous rectifier driver designed for use in switch-mode power supplies. This device typically comes in an 8-pin SOIC package. Here is a brief overview of its pin functions:
1. VCC (Pin 1): Supply voltage for the IC.
2. GND (Pin 2): Ground reference for the IC.
3. DRV (Pin 3): Gate drive output for the external MOSFET.
4. VS (Pin 4): Voltage sense input, connected to the switching node.
5. CS (Pin 5): Current sense input, used for detecting the current direction.
6. TIMER (Pin 6): Timing capacitor connection, used for setting the blanking time.
7. NC (Pin 7): No connection; typically not used.
8. SOURCE (Pin 8): Connects to the source of the power MOSFET.
The NCP4304ADR2G provides efficient synchronous rectification and is commonly used in flyback converter designs to improve efficiency by reducing losses associated with the rectification process.
1. VCC (Pin 1): Supply voltage for the IC.
2. GND (Pin 2): Ground reference for the IC.
3. DRV (Pin 3): Gate drive output for the external MOSFET.
4. VS (Pin 4): Voltage sense input, connected to the switching node.
5. CS (Pin 5): Current sense input, used for detecting the current direction.
6. TIMER (Pin 6): Timing capacitor connection, used for setting the blanking time.
7. NC (Pin 7): No connection; typically not used.
8. SOURCE (Pin 8): Connects to the source of the power MOSFET.
The NCP4304ADR2G provides efficient synchronous rectification and is commonly used in flyback converter designs to improve efficiency by reducing losses associated with the rectification process.
Manufacturer
The NCP4304ADR2G is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a global semiconductor company that designs, manufactures, and supplies a wide range of semiconductors and integrated circuits. They focus on energy-efficient electronics, providing solutions for various applications such as automotive, industrial, computing, consumer electronics, and communications. The company is known for its commitment to innovation and sustainability, aiming to enable smarter and greener technologies.
Application
The NCP4304ADR2G is primarily used in power management applications. It is a synchronous rectifier controller designed to improve the efficiency of power supplies, particularly in switch-mode power supplies (SMPS). Key application areas include:
1. AC-DC Power Supplies: Enhancing efficiency in adapters and chargers.
2. LED Drivers: Improving performance in LED lighting systems.
3. DC-DC Converters: Used in isolated and non-isolated configurations.
4. Server and Data Center Power Supplies: Increasing efficiency and reducing heat in high-power environments.
5. Consumer Electronics: Used in devices requiring efficient power conversion.
The focus is on minimizing power loss and enhancing the efficiency of electronic systems.
1. AC-DC Power Supplies: Enhancing efficiency in adapters and chargers.
2. LED Drivers: Improving performance in LED lighting systems.
3. DC-DC Converters: Used in isolated and non-isolated configurations.
4. Server and Data Center Power Supplies: Increasing efficiency and reducing heat in high-power environments.
5. Consumer Electronics: Used in devices requiring efficient power conversion.
The focus is on minimizing power loss and enhancing the efficiency of electronic systems.
Package
The NCP4304ADR2G is typically available in a SOIC-8 (Small Outline Integrated Circuit) package. This type of package is commonly used for surface mounting on printed circuit boards and contains 8 pins.
