UC3525BDWG4

DC DC Switching Controllers Overview

The UC3525BDWG4 is a voltage-mode pulse-width modulation controller from Texas Instruments, housed in a 16-pin SOIC package. It supports switching frequencies up to 500 kHz and operates within an input voltage range of 8 V to 35 V. The device features dual outputs with a maximum duty cycle of 50% and provides 500 mA output current capability. It includes a regulated 5.1 V reference voltage and functions across temperatures from 0°C to +70°C.

DC DC Switching Controllers Feature Summary

• Voltage-mode PWM control architecture for stable regulation
• Dual output configuration supporting various power topologies
• Integrated regulated reference voltage source
• Built-in oscillator with frequency synchronization capability

DC DC Switching Controllers Applications

• DC-DC converter designs using Buck, Boost, or Flyback topologies
• Forward and half-bridge power supply circuits
• Industrial power management systems requiring dual-channel control
• General-purpose switching regulator applications

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'G4' indicates lead-free compliance and RoHS adherence as per Texas Instruments standards. Confirm the SOIC-16 package dimensions match your PCB footprint requirements. Ensure the operating temperature range meets your environmental specifications. Cross-reference the datasheet revision date to ensure compatibility with your design constraints.

DC DC Switching Controllers Selection Notes

Select this component when a voltage-mode controller is required for dual-output applications. It is suitable for designs needing a 50% maximum duty cycle limit. Consider alternatives if current mode control or higher switching frequencies are necessary. Verify that the 35 V maximum input voltage aligns with your system's power rail capabilities.

DC DC Switching Controllers Part Context

This part belongs to the UC3525A series of regulating pulse width modulators. It is functionally similar to the UC3525AD but may differ in specific electrical characteristics or packaging options. The series is designed for improved performance with reduced external component counts compared to earlier generations.

DC DC Switching Controllers Replacement Considerations

The UC3525ADWG4 is a comparable variant within the same family. Verify pinout compatibility and specific electrical parameter differences before substitution. Other UC3525 variants may offer different package types or temperature ranges.