UCC28C45DGK

DC DC Switching Controllers Overview

The UCC28C45DGK is a BiCMOS low-power current-mode PWM controller manufactured by Texas Instruments. It operates within a supply voltage range of 7.6V to 18V and supports a maximum switching frequency of 1MHz. The device features a maximum duty cycle of 50% and provides an output drive capability of 1A with a maximum output voltage of 18V. It is housed in an 8-pin VSSOP package and is designed for operation across a temperature range of -40°C to +105°C.

DC DC Switching Controllers Feature Summary

• Implements current-mode control architecture for enhanced line regulation and simplified compensation.

DC DC Switching Controllers Applications

• Boost converter topologies
• Flyback converter designs
• Forward converter implementations

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'DGK' corresponds to the VSSOP-8 package variant when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure thermal management aligns with the specified operating temperature range for reliable performance.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring low power consumption and high-frequency operation up to 1MHz. The 1A output drive capability suits moderate load requirements. Verify that the 50% maximum duty cycle constraint fits the specific voltage conversion ratio of the target design.

DC DC Switching Controllers Part Context

This part belongs to the UCCx8C4x family of single-ended controllers from Texas Instruments. These devices are engineered for cost-sensitive, high-volume AC/DC and DC/DC conversion systems. The BiCMOS technology enables efficient performance while maintaining low standby power consumption.

DC DC Switching Controllers Replacement Considerations

The UCC28C45DR serves as a pin-compatible alternative utilizing an SOIC-8 package. Both parts share identical electrical specifications and functionality, differing primarily in the physical footprint and mounting style.