SG3524DR

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SG3524DR

IC REG CTRLR MULT TOP 16SOIC

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  • SOIC (D)-16
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規格

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)

概述

Description

The SG3524DR is a monolithic integrated circuit designed for switching regulator applications. It functions as a pulse-width modulation (PWM) controller, widely used in DC-DC converters, inverters, and other power supply circuits. The SG3524DR integrates all the necessary components for a complete PWM control system, including an internal oscillator, error amplifier, pulse-width modulator, and output control circuitry.
Key features of the SG3524DR include a wide input voltage range, adjustable oscillator frequency, and dual output for push-pull or single-ended applications. It also provides built-in protections such as current limiting and shutdown capabilities to enhance reliability and safety. The device supports both voltage and current control loops, making it versatile for various power management applications.
Packaged in a SOIC-16 (Small Outline Integrated Circuit) form, the SG3524DR is suitable for compact circuit designs. Its ability to simplify design processes while providing robust performance makes it a popular choice for engineers working on efficient power supply solutions.

Features

The SG3524DR is a versatile integrated circuit used for switch-mode power supply applications. Key features include:
1. Voltage Regulation: It provides accurate 5V reference voltage with onboard error amplifier, ensuring stable output regulation.

2. PWM Control: The device offers pulse width modulation (PWM) for efficient power conversion, making it suitable for both current-mode and voltage-mode control.
3. Oscillator: It features an internal oscillator with adjustable frequency, typically ranging from 100 Hz to 400 kHz, allowing flexibility in design.
4. Dual Output: The IC supports dual alternating output channels, ideal for push-pull configurations.
5. Current Limiting: It includes built-in current limiting protection, enhancing safety and reliability.
6. Soft Start: The soft-start function limits inrush current during startup, preventing system stress.
7. Shutdown Capability: An external shutdown feature enables easy control, allowing the device to be turned off in response to external signals.
8. Thermal Protection: Integrated thermal protection safeguards the IC from overheating.
Overall, the SG3524DR is widely used in power supply designs due to its robustness, flexibility, and comprehensive set of features for efficient power management.

Package

The SG3524DR is a pulse-width-modulation (PWM) controller integrated circuit, and it comes in a surface-mount package known as SOIC-16 (Small Outline Integrated Circuit with 16 pins).

Pinout

The SG3524DR is a PWM (Pulse Width Modulation) controller IC primarily used for regulating power supplies and DC-DC converters. It is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) form factor.
Here is a brief overview of its pin functions:
1. Pin 1 (VC): Output Supply Voltage.
2. Pin 2 (C1): Oscillator Timing Capacitor.
3. Pin 3 (R1): Oscillator Timing Resistor.
4. Pin 4 (C2): Oscillator Timing Capacitor for Frequency Doubling.
5. Pin 5 (RT): Oscillator Timing Resistor for Frequency Doubling.
6. Pin 6 (CT): Timing Capacitor for Oscillator.
7. Pin 7 (VREF): Reference Voltage Output.
8. Pin 8 (Inverting Input): Inverting Input to Error Amplifier.
9. Pin 9 (Non-Inverting Input): Non-Inverting Input to Error Amplifier.
10. Pin 10 (COMP): Compensation/Feedback Input.
11. Pin 11 (Shutdown): Shutdown Input.
12. Pin 12 (Ground): Ground Connection.
13. Pin 13 (Output A): PWM Output A.
14. Pin 14 (Output B): PWM Output B.
15. Pin 15 (VCC): Supply Voltage.
16. Pin 16 (Output Control): Output Control.
These pins collectively manage the internal oscillator, error amplifier, and PWM signal generation to control external power devices.

Manufacturer

The SG3524DR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company headquartered in Dallas, Texas. It designs and manufactures a wide range of electronic components, including integrated circuits, microcontrollers, and sensors. TI is known for its innovation in analog and embedded processing products, serving a broad spectrum of industries such as automotive, industrial, personal electronics, and communications. The company focuses on developing technology that improves performance and efficiency across various applications, emphasizing high-quality and reliable solutions for engineers and designers worldwide.

Application

The SG3524DR is a versatile PWM (Pulse Width Modulation) controller used in various applications, including switch-mode power supplies, DC-DC converters, inverters, and motor control systems. It is commonly employed in battery chargers, voltage regulators, and energy management systems due to its ability to regulate output voltage and current. The device's flexibility, reliability, and efficient energy conversion capabilities make it suitable for both consumer electronics and industrial power management solutions.

Equivalent

The SG3524DR chip is a PWM controller used in switch-mode power supplies. Equivalent products include the TL494, SG3525, and UC3524. These ICs serve similar functions in managing the timing and regulation of the power supply. However, while they share basic functionalities, it's important to check the specific characteristics and pin configurations, as these may vary slightly between models.

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