SG3524DR

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SG3524DR

+Nomenclature

IC REG CTRLR MULT TOP 16SOIC

  • FabricantTexas Instruments

  • Pièce fabricant #SG3524DR

  • Package SOIC (D)-16

  • En stock7385

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT),Bulk
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 Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

Présentation

Description

The SG3524DR is a pulse width modulation (PWM) controller IC designed for switch-mode power supply (SMPS) applications. It is a variant of the SG3524, packaged in an SOIC-16 surface-mount format. This IC is widely used for regulating and controlling power in various electronic devices due to its efficiency and versatility.
Key features include dual error amplifiers, an adjustable oscillator, a 5V reference voltage, and built-in protection circuitry. These features allow it to efficiently manage power conversion processes and maintain stable output voltages under varying load conditions.
The SG3524DR supports both voltage and current mode control, making it suitable for various applications including inverters, DC-DC converters, and motor speed controllers. Its design facilitates smooth PWM output, which is essential for reducing electromagnetic interference and improving overall system performance.
Overall, the SG3524DR is valued in power electronics for its reliability, ease of use, and ability to enhance the performance and efficiency of power supply systems.

Equivalent

The SG3524DR is a pulse width modulation (PWM) controller used in switch-mode power supplies. Equivalent products include the TL494, KA3525A, and UC3525. These alternatives offer similar functionalities, such as regulating output voltage and controlling power supply efficiency. Always check the datasheets for pin compatibility and electrical characteristics to ensure they meet your specific requirements.

Features

The SG3524DR is a versatile PWM (Pulse Width Modulation) controller designed for switching power supplies and inverters. Key features include:
1. PWM Control: Offers precise PWM regulation to drive high-efficiency switching power supplies.
2. Voltage Reference: Equipped with an internal precision 5V reference to ensure stable operation.
3. Oscillator: Includes a built-in oscillator with adjustable frequency, enhancing design flexibility.
4. Error Amplifier: Features an internal error amplifier for voltage feedback and control.
5. Shutdown Capability: Includes a shutdown feature for immediate power-down in overcurrent conditions.
6. Output Drivers: Provides dual totem pole outputs for push-pull configurations, each capable of sourcing/sinking current.
7. Synchronization: Allows for synchronization with external signals for coordinated operations.
8. Protection Features: Offers overcurrent protection and soft-start capabilities to safeguard circuits.
9. Wide Supply Range: Operates from a wide input voltage range, typically from 8V to 40V.
10. Temperature Range: Designed to operate in a broad temperature range, suitable for various environments.
These features make the SG3524DR a reliable choice for designing efficient and robust power supply systems.

Pinout

The SG3524DR is a monolithic integrated circuit used primarily for switching mode power supply systems. It is designed to provide all the control functions required for a regulated power supply. The SG3524DR comes in a 16-pin package with the following pin functions:
1. Compensation - Error amplifier output for compensation.
2. VC - Voltage Control input for the oscillator.
3. RT - Timing resistor connection for setting the oscillator frequency.
4. CT - Timing capacitor connection for setting the oscillator frequency.
5. Shutdown - Used to disable the output stage.
6. IN+ - Non-inverting input of the error amplifier.
7. IN- - Inverting input of the error amplifier.
8. OSC Out - Oscillator output.
9. GND - Ground.
10. E2 - Emitter of the second output transistor.
11. C2 - Collector of the second output transistor.
12. VCC - Supply voltage input.
13. C1 - Collector of the first output transistor.
14. E1 - Emitter of the first output transistor.
15. Ref Out - Reference output, typically 5.1V.
16. Compensation - For frequency compensation of the error amplifier.
This IC is used in various applications such as DC-DC converters, inverters, and other power management systems.

Manufacturer

The SG3524DR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronic devices and applications. TI is known for its innovations in analog and embedded processing technologies. The company serves a variety of markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its focus on research and development, which has propelled it to become a leader in the semiconductor industry.

Application

The SG3524DR is a versatile PWM (Pulse Width Modulation) controller commonly used in various power supply and regulation applications. Key application areas include:
1. Switched-Mode Power Supplies (SMPS): It is used in designing efficient power converters, such as AC/DC and DC/DC converters.
2. Inverters: Utilized in inverter circuits for converting DC to AC power.
3. Battery Chargers: Employed in battery charging systems due to its precise control over power delivery.
4. Motor Control: Used in controlling the speed and torque of DC motors.
5. Voltage Regulators: Helps in designing regulated power supply circuits with stable output voltage.
Its flexibility in controlling power electronics makes it suitable for various industrial, automotive, and consumer electronics applications.

Package

The SG3524DR is a pulse-width-modulation (PWM) controller IC available in a SOIC-16 (Small Outline Integrated Circuit) package type. This package type is suitable for surface-mount technology (SMT), allowing for compact and efficient PCB design.

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