SG3525ADWG - onsemi

Manufacturer Part Number

SG3525ADWG

Manufacturer

onsemi

Introduction

The SG3525ADWG is a PWM controller integrated circuit used in DC-DC switching converters.

Product Features and Performance

Regulating Pulse Width Modulator

Optimized for Off-Line and DC-to-DC Converters

Low Standby Current

8V to 35V Operation

100Hz to 400kHz Oscillator Range

Separate Oscillator Sync Terminal

Adjustable Deadtime Control

Internal Soft-Start

Pulse-by-Pulse Shutdown

Input Under-voltage Lockout with Hysteresis

Double Pulse Suppression

Dual Source/Sink Output Drivers

Product Advantages

Enables efficient power supply design

Support for a wide range of input voltages

Flexible oscillator range allows for customized switching frequencies

Features to enhance operation stability and safety like soft-start and shutdown

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up/Step-Down

Output Configuration: Positive

Topology: Push-Pull

Number of Outputs: 2

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 8V ~ 35V

Frequency - Switching: 100Hz ~ 400kHz

Duty Cycle (Max): 49%

Synchronous Rectifier: Yes

Clock Sync: Yes

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 16-SOIC

Quality and Safety Features

Built-in under-voltage lockout with hysteresis

Pulse-by-pulse shutdown for overcurrent protection

Double pulse suppression to prevent transformer saturation

Compatibility

Compatible with a range of DC-DC converter designs

Suitable for varied applications with adjustable features

Application Areas

Power supplies for consumer electronics

Telecommunications systems

Industrial control systems

Product Lifecycle

Product Status: Obsolete

Note: Check for potential alternatives or consult manufacturer for last time buy options.

Several Key Reasons to Choose This Product

Proven reliability and performance from onsemi

Versatile functionality across a wide range of power applications

In-built safety mechanisms to protect circuit components

Customizable switching functions for specific design needs