SG3525ADWR2G

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SG3525ADWR2G

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IC REG CTRLR PUSH-PULL 16SOIC

  • HerstellerOnsemi

  • Herstellerteil #SG3525ADWR2G

  • Paket SOIC-16

  • Auf Lager3691

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputType Transistor Driver
Function Step-Up/Step-Down
OutputConfiguration Positive
Topology Push-Pull
NumberofOutputs 2
OutputPhases 1
Voltage-Supply(Vcc/Vdd) 8V ~ 35V
Frequency-Switching 100Hz ~ 400kHz
DutyCycle(Max) 49%
SynchronousRectifier Yes
ClockSync Yes
ControlFeatures Enable, Frequency Control, Soft Start
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case 16-SOIC (0.295, 7.50mm Width)

Übersicht

Description

The SG3525ADWR2G is a pulse width modulation (PWM) controller integrated circuit (IC) used primarily in switch-mode power supply (SMPS) applications. It is designed to provide efficient power conversion with minimal external components. The SG3525A features an oscillator for setting the switching frequency, an error amplifier for voltage regulation, and a PWM comparator for pulse width modulation. It also includes a reference voltage source and under-voltage lockout for stability and protection.
Key specifications include a high output current capability for driving power MOSFETs or bipolar transistors, adjustable dead-time control for minimizing switching losses, and a wide input voltage range. The device is available in various package types, including SOIC and PDIP, making it versatile for different design needs. The SG3525ADWR2G is commonly employed in DC-DC converters, inverters, and other power supply circuits due to its reliability, ease of use, and robustness.

Equivalent

Equivalent products to the SG3525ADWR2G PWM controller include the TL494, KA3525A UC3525, and LM3525. These ICs are used in similar applications, such as switch-mode power supplies and DC-DC converters, and provide similar functionality for PWM control. However, specific features and performance may vary, so it is essential to compare datasheets to ensure compatibility with your application.

Features

The SG3525ADWR2G is a pulse width modulation (PWM) controller commonly used in power supply and motor control applications. Key features include:
1. Voltage Range: It operates within a wide supply voltage range of 8 V to 35 V, making it versatile for various applications.
2. PWM Control: It offers a fixed frequency PWM control with adjustable dead time, which enhances flexibility in design.
3. Output Capability: The device supports dual alternating outputs, with a totem-pole configuration capable of directly driving power MOSFETs and bipolar transistors.
4. Shutdown Feature: Includes an internal shutdown mechanism to disable outputs during overcurrent or fault conditions, enhancing safety.
5. Soft-Start Functionality: An adjustable soft-start function is available for controlled power-up of the system, preventing inrush currents.
6. Error Amplifier: Features a wide-bandwidth error amplifier for precise feedback regulation.
7. Frequency Stability: Provides good frequency stability with a temperature-compensated oscillator.
8. Synchronization: Capable of synchronization with an external clock, useful for multiple controller applications.
Overall, the SG3525ADWR2G is a robust and versatile choice for efficient and reliable power control.

Pinout

The SG3525ADWR2G is a PWM controller IC commonly used for switch-mode power supplies. It typically comes in a 16-pin package. Here is a concise overview of its pin count and functions:
1. Pin 1: C_T - Timing Capacitor
2. Pin 2: R_T - Timing Resistor
3. Pin 3: C_SoftStart - Soft Start Capacitor
4. Pin 4: E/A Out - Error Amplifier Output
5. Pin 5: Inverting Input - Error Amplifier Inverting Input
6. Pin 6: Non-Inverting Input - Error Amplifier Non-Inverting Input
7. Pin 7: V_REF - Reference Voltage Output
8. Pin 8: Oscillator Ground
9. Pin 9: Ground
10. Pin 10: Emitter Output (A) - Output stage A
11. Pin 11: Collector Output (A) - Output stage A
12. Pin 12: Emitter Output (B) - Output stage B
13. Pin 13: Collector Output (B) - Output stage B
14. Pin 14: V_CC - Positive supply voltage
15. Pin 15: Shutdown - Shutdown input
16. Pin 16: Compensation
These pins are used for configuring the IC for various PWM control applications like voltage regulation, soft start, and overcurrent protection, ensuring efficient power supply management.

Manufacturer

The SG3525ADWR2G is manufactured by ON Semiconductor. ON Semiconductor, now officially known as onsemi, is a semiconductor supplier company that focuses on energy-efficient electronics. It provides products and solutions for various sectors, including automotive, industrial, and consumer electronics. The company designs and manufactures a wide range of semiconductor components, including power and signal management, logic, discrete, and custom devices. onsemi is known for its commitment to sustainability and innovation in the semiconductor industry.

Application

The SG3525ADWR2G is a pulse width modulation (PWM) controller commonly used in various power electronics applications. Key application areas include switch-mode power supplies (SMPS), DC-DC converters, inverters for solar and uninterruptible power supplies (UPS), motor control systems, and battery chargers. It is valued for its ability to efficiently manage power conversion and regulation, making it suitable for both industrial and consumer electronics. Its features, such as adjustable PWM frequency, soft-start capability, and built-in protection mechanisms, enhance performance and reliability across these applications.

Package

The SG3525ADWR2G is a PWM controller IC that comes in a SOIC-16 (Small Outline Integrated Circuit) package. This package type is characterized by its 16 pins and is commonly used for surface-mount applications, providing a compact and efficient solution for power supply designs.

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