SG3524DRE4

Overview

The SG3524DRE4 is a regulating pulse width modulator manufactured by Texas Instruments, designed for versatile switching power supply applications. It supports multiple topologies including Boost, Buck, Flyback, Forward, Full Bridge, Half Bridge, and Push-Pull configurations. The device features two outputs with a maximum duty cycle of 45 percent and an output current capability of 50 mA. Operating within a supply voltage range up to 40 V, it delivers regulated output voltages between 4.6 V and 5.4 V. The component operates at a switching frequency of 450 kHz, with rise and fall times of 200 ns and 100 ns respectively. It functions in non-isolated systems across a temperature range of 0°C to +70°C.

Feature Summary

• Supports diverse converter topologies such as push-pull, half-bridge, full-bridge, forward, flyback, buck, and boost.
• Includes integrated shutdown functionality for system control and protection.
• Provides dual output channels for synchronized or independent drive requirements.

Applications

• DC-DC converter designs utilizing various switching topologies
• Power management systems requiring regulated pulse width modulation
• Industrial power supplies operating within standard commercial temperature ranges

Procurement Notes

Verify the complete part number SG3524DRE4 against official Texas Instruments documentation to ensure correct suffix identification. Confirm RoHS compliance status through manufacturer datasheets. Validate package type SOIC-Narrow-16 and surface mount installation requirements. Check for specific environmental certifications required by your application standards before finalizing procurement.

Selection Notes

Select this component when designing non-isolated switching regulators requiring support for multiple topologies like push-pull or bridge converters. Ensure the design accommodates the 45 percent maximum duty cycle limitation. Verify that the 40 V maximum supply voltage and 50 mA output current meet the load requirements. Consider the 0°C to +70°C operating temperature range for environmental suitability.

Part Context

This component belongs to the SG3524 series of switching controllers from Texas Instruments. It falls under the PMIC - Power Management ICs subcategory. The device is classified as a regulating pulse width modulator intended for general-purpose power conversion applications. It represents a standard solution for industrial and commercial power supply designs requiring reliable PWM control.

FAQ

What switching topologies does the SG3524DRE4 support?

It supports Boost, Buck, Flyback, Forward, Full Bridge, Half Bridge, and Push-Pull topologies.

What is the maximum duty cycle for this controller?

The maximum duty cycle is specified as 45 percent.