規格
| 屬性 | 價值 |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Down, Step-Up/Step-Down |
| Output Configuration | Positive, Isolation Capable |
| Topology | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull |
| Number of Outputs | 2 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 8V ~ 40V |
| Frequency - Switching | 450kHz |
| Duty Cycle(Max) | 45% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Current Limit, Frequency Control |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole |
概述
Description
The SG3524N is a versatile integrated circuit used primarily for designing switching power supplies and voltage regulation systems. It functions as a pulse-width modulation (PWM) controller, offering essential features for efficient power conversion. Key characteristics include a built-in fixed-frequency oscillator, error amplifier, and dual alternating output transistors for driving push-pull or half-bridge topologies. The device supports various power supply configurations, such as step-up, step-down, and inverting, making it adaptable for diverse applications.
The SG3524N offers internal circuitry for soft-start, overload protection, and error sensing, enhancing system reliability. With its adjustable frequency range, designers can fine-tune the PWM signal to optimize performance for specific applications. The IC operates across a wide input voltage range, providing flexibility in design. Typically housed in a standard dual in-line package (DIP), the SG3524N is well-suited for use in consumer electronics, automotive systems, and industrial equipment. Its robust design and comprehensive feature set make it a popular choice for engineers seeking reliable and efficient power management solutions.
The SG3524N offers internal circuitry for soft-start, overload protection, and error sensing, enhancing system reliability. With its adjustable frequency range, designers can fine-tune the PWM signal to optimize performance for specific applications. The IC operates across a wide input voltage range, providing flexibility in design. Typically housed in a standard dual in-line package (DIP), the SG3524N is well-suited for use in consumer electronics, automotive systems, and industrial equipment. Its robust design and comprehensive feature set make it a popular choice for engineers seeking reliable and efficient power management solutions.
Equivalent
The SG3524N chip, a PWM voltage regulator, has several equivalent products and alternatives, including:
1. TL494
2. KA7500
3. MC34060
4. UC3524
5. LM3524
These chips offer similar functionality for voltage regulation and power supply control in various applications. Always check the datasheets to ensure compatibility with your specific requirements.
1. TL494
2. KA7500
3. MC34060
4. UC3524
5. LM3524
These chips offer similar functionality for voltage regulation and power supply control in various applications. Always check the datasheets to ensure compatibility with your specific requirements.
Features
The SG3524N is a versatile PWM (Pulse Width Modulation) controller used for switch-mode power supply applications. Key features include:
1. Voltage Regulation: Offers a precision voltage regulator to ensure stable output.
2. Dual Output: Provides dual alternating output for driving push-pull configurations.
3. Wide Input Range: Can operate over a wide input voltage range, enhancing flexibility.
4. Error Amplifier: Integrated error amplifier for improved performance in feedback control loops.
5. Oscillator: Built-in oscillator with adjustable frequency, typically ranging from 100 Hz to 400 kHz.
6. Soft Start Capability: Features a soft start function to prevent high inrush currents during startup.
7. Shutdown Control: Includes a shutdown pin for emergency turn-off situations.
8. Current Limiting: Supports current limiting to protect against overload conditions.
9. Temperature Stability: Designed for stable operation across various temperature ranges.
10. Package: Available in a 16-pin dual in-line package (DIP) for easy integration.
These features make the SG3524N suitable for use in power supplies, converters, and other power management applications.
1. Voltage Regulation: Offers a precision voltage regulator to ensure stable output.
2. Dual Output: Provides dual alternating output for driving push-pull configurations.
3. Wide Input Range: Can operate over a wide input voltage range, enhancing flexibility.
4. Error Amplifier: Integrated error amplifier for improved performance in feedback control loops.
5. Oscillator: Built-in oscillator with adjustable frequency, typically ranging from 100 Hz to 400 kHz.
6. Soft Start Capability: Features a soft start function to prevent high inrush currents during startup.
7. Shutdown Control: Includes a shutdown pin for emergency turn-off situations.
8. Current Limiting: Supports current limiting to protect against overload conditions.
9. Temperature Stability: Designed for stable operation across various temperature ranges.
10. Package: Available in a 16-pin dual in-line package (DIP) for easy integration.
These features make the SG3524N suitable for use in power supplies, converters, and other power management applications.
Pinout
The SG3524N is a pulse width modulation (PWM) controller IC commonly used for regulating power supplies and DC-DC converters. It typically comes in a 16-pin dual in-line package (DIP). Here's a brief overview of the pin functions:
1. Pin 1 (Compensation): Used for error amplifier compensation.
2. Pin 2 (Inverting Input): Connects to the inverting input of the error amplifier.
3. Pin 3 (Non-Inverting Input): Connects to the non-inverting input of the error amplifier.
4. Pin 4 (Oscillator Timing Capacitor): Connects to the timing capacitor for oscillator.
5. Pin 5 (Oscillator Timing Resistor): Connects to the timing resistor for oscillator frequency setting.
6. Pin 6 (Oscillator Output): Output for the oscillator.
7. Pin 7 (Vref Out): Reference voltage output.
8. Pin 8 (Ground): Ground connection.
9. Pin 9 (C Soft Start): Connects to the soft-start capacitor.
10. Pin 10 (Shutdown): Used for shutdown control.
11. Pin 11 (Emitter): Connects to the emitter of the internal transistor.
12. Pin 12 (Collector): Connects to the collector of the internal transistor.
13. Pin 13 (Vcc): Positive supply voltage.
14. Pin 14 (Output B): Second PWM output.
15. Pin 15 (Output A): First PWM output.
16. Pin 16 (Vref In): Reference voltage input.
These pins work together to enable SG3524N to control power electronics efficiently.
1. Pin 1 (Compensation): Used for error amplifier compensation.
2. Pin 2 (Inverting Input): Connects to the inverting input of the error amplifier.
3. Pin 3 (Non-Inverting Input): Connects to the non-inverting input of the error amplifier.
4. Pin 4 (Oscillator Timing Capacitor): Connects to the timing capacitor for oscillator.
5. Pin 5 (Oscillator Timing Resistor): Connects to the timing resistor for oscillator frequency setting.
6. Pin 6 (Oscillator Output): Output for the oscillator.
7. Pin 7 (Vref Out): Reference voltage output.
8. Pin 8 (Ground): Ground connection.
9. Pin 9 (C Soft Start): Connects to the soft-start capacitor.
10. Pin 10 (Shutdown): Used for shutdown control.
11. Pin 11 (Emitter): Connects to the emitter of the internal transistor.
12. Pin 12 (Collector): Connects to the collector of the internal transistor.
13. Pin 13 (Vcc): Positive supply voltage.
14. Pin 14 (Output B): Second PWM output.
15. Pin 15 (Output A): First PWM output.
16. Pin 16 (Vref In): Reference voltage input.
These pins work together to enable SG3524N to control power electronics efficiently.
Manufacturer
The SG3524N is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. The company is known for developing analog and embedded processing chips that are used in a wide array of electronic applications across various industries, including automotive, industrial, consumer electronics, and communications. Texas Instruments focuses on innovation in engineering and technology to provide solutions that help customers create more efficient, reliable, and advanced electronic products.
Application
The SG3524N is a versatile PWM (Pulse Width Modulation) controller used primarily in DC-DC converters and power supply applications. Its main application areas include:
1. Switching Regulators: Used in regulated power supplies for converting DC voltage levels efficiently.
2. DC-AC Inverters: Commonly used in inverters for converting DC to AC power.
3. Motor Speed Controls: Employed in motor controllers for precise speed regulation.
4. Battery Chargers: Utilized in designing efficient battery charging circuits.
5. LED Drivers: Used in driving and controlling LED lighting systems.
6. HVAC Systems: Applied in heating, ventilation, and air conditioning systems for controlling fan speeds and other functions.
These applications leverage its ability to provide stable and efficient power management solutions.
1. Switching Regulators: Used in regulated power supplies for converting DC voltage levels efficiently.
2. DC-AC Inverters: Commonly used in inverters for converting DC to AC power.
3. Motor Speed Controls: Employed in motor controllers for precise speed regulation.
4. Battery Chargers: Utilized in designing efficient battery charging circuits.
5. LED Drivers: Used in driving and controlling LED lighting systems.
6. HVAC Systems: Applied in heating, ventilation, and air conditioning systems for controlling fan speeds and other functions.
These applications leverage its ability to provide stable and efficient power management solutions.
Package
The SG3524N is a pulse-width modulation (PWM) controller IC available in a dual in-line package (DIP), also known as a through-hole package. It typically comes in a 16-pin DIP configuration, making it suitable for use in various power supply and motor control applications.