SG2526DW

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Mode PWM Controller
Characteristics: High-performance, versatile, and efficient
Package: Dual-In-Line Package (DIP)
Essence: Control and regulate voltage in various applications
Packaging/Quantity: Available in reels of 2500 units

Specifications

Input Voltage: 8V to 40V
Output Voltage: Adjustable
Operating Temperature: -40°C to +85°C
Switching Frequency: Up to 1MHz
Output Current: Up to 1A
Protection Features: Overvoltage, undervoltage, and overcurrent protection

Detailed Pin Configuration

The SG2526DW features a 16-pin dual-in-line package with the following pin configuration:

VREF: Reference voltage input
COMP: Error amplifier output
INV: Inverting input of the error amplifier
NONINV: Non-inverting input of the error amplifier
OSC: Oscillator timing capacitor connection
CT: Timing resistor connection for oscillator frequency control
RT: Timing resistor connection for oscillator frequency control
GND: Ground reference
SYNC: Synchronization input
VCC: Positive power supply
OUT: Output of the PWM controller
FB: Feedback input for regulation
CS: Current sense input
SS/TR: Soft-start/tracking input
DIS: Disable input
NC: No connection

Functional Features

Voltage mode control for precise regulation
Wide input voltage range for versatility
Adjustable output voltage for flexibility
High switching frequency for efficient operation
Comprehensive protection features for enhanced reliability
Soft-start and tracking capability for controlled startup
Synchronization input for system integration

Advantages and Disadvantages

Advantages: - High-performance and efficient voltage regulation - Versatile and adaptable to various applications - Comprehensive protection features ensure system reliability - Soft-start and tracking capability for controlled startup

Disadvantages: - Limited output current capacity (up to 1A) - Requires external components for operation

Working Principles

The SG2526DW operates based on the voltage mode control principle. It compares the feedback voltage with a reference voltage and generates an error signal. This error signal is then amplified and used to control the duty cycle of the PWM (Pulse Width Modulation) signal. By adjusting the duty cycle, the output voltage is regulated accordingly.

Detailed Application Field Plans

The SG2526DW finds application in various fields, including but not limited to: - Switching power supplies - Battery chargers - LED drivers - Motor control circuits - DC-DC converters

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SG2526DW are: - SG3526DW: Similar functionality with additional features - UC3842: Popular PWM controller with different pin configuration - LT1241: High-performance PWM controller with advanced protection features

These alternative models offer similar functionality and can be chosen based on specific requirements and preferences.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SG2526DW v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SG2526DW in technical solutions:

Q: What is SG2526DW? A: SG2526DW is a voltage mode PWM controller IC used for regulating power supplies.
Q: What are the key features of SG2526DW? A: Some key features include adjustable frequency, soft-start capability, current limiting, and overvoltage protection.
Q: How does SG2526DW regulate power supplies? A: SG2526DW uses pulse width modulation (PWM) technique to control the duty cycle of the output waveform, thereby regulating the output voltage.
Q: What is the operating voltage range of SG2526DW? A: The operating voltage range is typically between 8V and 40V.
Q: Can SG2526DW be used in both buck and boost converter applications? A: Yes, SG2526DW can be used in both buck and boost converter applications.
Q: Does SG2526DW have built-in protection features? A: Yes, SG2526DW has built-in protection features such as overcurrent protection and overvoltage protection.
Q: What is the maximum switching frequency of SG2526DW? A: The maximum switching frequency is typically around 500kHz.
Q: Can SG2526DW operate in a wide temperature range? A: Yes, SG2526DW can operate in a wide temperature range, typically from -40°C to 85°C.
Q: Is SG2526DW suitable for high-power applications? A: Yes, SG2526DW is suitable for high-power applications as it can handle high currents and voltages.
Q: Are there any application notes or reference designs available for SG2526DW? A: Yes, the manufacturer provides application notes and reference designs that can help in implementing SG2526DW in various technical solutions.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of SG2526DW.