UCC3570DTRG4

Description：IC OFFLINE SWITCH FWD 14SOIC
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:f026def4c0be Category: AC DC Converters, Offline Switchers Brand: Texas Instruments

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Product introduction

UCC3570DTRG4 is listed in the AC DC Converters, Offline Switchers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC OFFLINE SWITCH FWD 14SOIC. Review the specifications below when checking this part for your BOM.

AC DC Converters, Offline Switchers specifications for UCC3570DTRG4

Description：IC OFFLINE SWITCH FWD 14SOIC
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Output Isolation：Isolated
Internal Switch(s)：No
Voltage - Breakdown：-
Topology：Forward
Voltage - Start Up：13 V
Voltage - Supply (Vcc/Vdd)：9V ~ 15V
Duty Cycle：80%
Frequency - Switching：500kHz
Fault Protection：Current Limiting
Control Features：Frequency Control, Soft Start
Operating Temperature：0°C ~ 70°C (TA)
Package / Case：14-SOIC (0.154", 3.90mm Width)
Supplier Device Package：14-SOIC
Mounting Type：Surface Mount
Grade：-
Qualification：-
Power (Watts)：-

AC DC Converters, Offline Switchers datasheet and documents for UCC3570DTRG4

UCC3570DTRG4

AC DC Converters, Offline Switchers Overview

The UCC3570DTRG4 is a discontinued high-speed voltage-mode PWM controller from Texas Instruments, designed for offline power supplies. It operates within a supply voltage range of 6.6 V to 9.3 V and supports switching frequencies up to 1 MHz. The device features a maximum duty cycle of 100% and includes integrated soft-start functionality. Packaged in an 8-SOIC surface-mount case, it provides a single output channel with voltage-mode control characteristics suitable for various converter topologies.

AC DC Converters, Offline Switchers Feature Summary

Supports multiple converter topologies including flyback, forward, boost, and buck configurations
Integrates a programmable oscillator for flexible frequency selection
Includes built-in soft-start circuitry to limit inrush current during startup

AC DC Converters, Offline Switchers Applications

Offline power supply designs
Flyback converter implementations
Forward converter architectures

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized channels as this part is obsolete. Confirm package integrity and pin alignment against the SOIC-8 specification. Review datasheet revisions for any historical design changes. Ensure compliance with RoHS3 standards if required by the target application environment.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring simple voltage-mode control with high-frequency operation capabilities. Consider the 8-SOIC package constraints for PCB layout. Evaluate thermal performance requirements relative to the package size. Verify that the 100% duty cycle capability aligns with the specific converter topology requirements.

AC DC Converters, Offline Switchers Part Context

This controller belongs to the UCC3xxx series of switching controllers manufactured by Texas Instruments. It serves as a foundational component for offline AC-DC conversion systems. The device represents an earlier generation of voltage-mode PWM technology compared to newer synchronous rectification controllers.