SG3524N

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SG3524N

IC REG CTRLR MULT TOPOLOGY 16DIP

  • Fabricant
  • Mfr. Partie #SG3524N
  • Paquet PDIP (N)-16
  • Fiche de données
  • En stock4563

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Spécifications

Package Bulk,Tube
ProductStatus Active
OutputType Transistor Driver
Function Step-Up, Step-Down, Step-Up/Step-Down
OutputConfiguration Positive, Isolation Capable
Topology Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
NumberofOutputs 2
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 8V ~ 40V
Frequency-Switching 450kHz
DutyCycle(Max) 45%
SynchronousRectifier No
ClockSync No
ControlFeatures Current Limit, Frequency Control
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Through Hole
Package/Case 16-DIP (0.300, 7.62mm)

Vue d'ensemble

Description

The SG3524N is a versatile pulse-width modulation (PWM) controller integrated circuit (IC) commonly used in power electronics for regulating and controlling power supplies, DC-DC converters, and inverters. Manufactured by multiple companies, this IC is designed to provide efficient and reliable power management solutions.
Key features of the SG3524N include a built-in oscillator, error amplifier, and dual alternating outputs capable of driving NPN transistors directly, making it suitable for push-pull, full-bridge, and half-bridge converters. Its operating frequency can be adjusted using external resistors and capacitors, providing flexibility for various applications. The IC also includes features such as pulse-by-pulse current limiting, under-voltage lockout, and soft-start capability to ensure safe and efficient operation.
The SG3524N operates over a wide input voltage range and supports various output voltage levels, making it adaptable to different power supply requirements. Its robust design and reliable performance make it a popular choice in automotive, industrial, and consumer electronics applications where efficient power conversion and regulation are essential.

Features

The SG3524N is a versatile pulse width modulation (PWM) controller designed for switching power supplies and DC-DC converters. Key features include:
1. Voltage Regulation: Offers precision voltage regulation with low drift over temperature.
2. Wide Supply Voltage Range: Operates over a range of 8V to 40V.
3. Oscillator: Built-in oscillator with adjustable frequency, typically from 100 Hz to 400 kHz.
4. Dual Output: Provides dual alternating driver outputs for push-pull or single-ended converters.
5. Output Control: Allows for frequency modulation, duty cycle adjustment, and output dead-time control.
6. Error Amplifier: Features an onboard error amplifier with differential input and high gain.
7. Shutdown Capability: Includes a shutdown feature for overcurrent protection.
8. Current Limiting: Uses external sense resistor for cycle-by-cycle current limiting.
9. Soft Start: Supports soft start to gradually increase output voltage.
10. Temperature Range: Operates in the industrial temperature range.
The SG3524N is widely used in various applications due to its reliability, flexibility, and cost-effectiveness, making it a popular choice for power supply designs.

Package

The SG3524N is typically available in a Dual In-line Package (DIP), specifically a 16-pin DIP. This package type is common for integrated circuits that are used in various electronic applications, including voltage regulation and power supply design.

Pinout

The SG3524N is a versatile PWM (Pulse Width Modulation) controller used in switching power supplies and DC-DC converters. It is housed in a 16-pin dual in-line package (DIP). Below is a brief overview of the pin functions:
1. Compensation: Used for frequency compensation in the control loop.
2. Vref Out: Provides a reference voltage output.
3. Oscillator Timing Capacitor (Ct): Determines the oscillator frequency with Rt.
4. Oscillator Timing Resistor (Rt): Works with Ct to set the oscillator frequency.
5. Oscillator Output: Provides the oscillator signal.
6. Error Amplifier Inverting Input: Inverting input for the error amplifier.
7. Error Amplifier Non-Inverting Input: Non-inverting input for the error amplifier.
8. Current Limit Sense: For current limit sensing.
9. Shutdown: Used to shut down the PWM outputs.
10. Ground: Ground reference for the IC.
11. Collector Output A: Output for the PWM signal (Collector).
12. Emitter Output A: Output for the PWM signal (Emitter).
13. Emitter Output B: Output for the PWM signal (Emitter).
14. Collector Output B: Output for the PWM signal (Collector).
15. Vcc: Supply voltage for the IC.
16. Vc: Collector supply voltage for the output transistors.
This configuration allows for flexible control in various power regulation applications.

Manufacturer

The SG3524N is a voltage regulator integrated circuit manufactured by Texas Instruments. Texas Instruments is a global semiconductor design and manufacturing company known for developing analog and embedded processing chips. It provides a wide range of products and solutions for various industries, including automotive, industrial, consumer electronics, and communications equipment. The company is recognized for its innovation in the semiconductor industry and has a strong focus on research and development to advance technology in electronics.

Application

The SG3524N is primarily used in applications involving switch-mode power supplies, DC-DC converters, and inverters. It functions as a PWM (Pulse Width Modulation) controller, making it suitable for regulating output voltage and current. Common application areas include uninterruptible power supplies (UPS), battery chargers, motor speed controllers, and solar inverters. Its ability to efficiently manage power conversion makes it ideal for use in various consumer electronics, industrial equipment, and automotive systems.

Equivalent

The SG3524N chip is a voltage mode PWM controller used in power supply applications. Equivalent products include the TL494, KA7500, and UC3524. These alternatives share similar functionality and can often be used interchangeably in many power supply designs, offering features like dual outputs for push-pull configurations and built-in protection mechanisms.

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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