UCC2813PW-3G4

DC DC Switching Controllers Overview

The UCC2813PW-3G4 is a low-power economy BiCMOS current mode PWM controller manufactured by Texas Instruments. It operates within an input voltage range of 8.2 V to 12 V, with a nominal rating of 10 V. The device supports switching frequencies up to 1 MHz and delivers a gate drive output current of 1 A. It features a maximum duty cycle of 100% and includes fast switching characteristics with typical rise and fall times of 41 ns and 44 ns, respectively. The component is housed in an 8-pin TSSOP package and functions across an operating temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Implements current-mode pulse width modulation control for efficient power regulation
• Supports multiple converter topologies including boost, flyback, and forward configurations
• Provides high-current gate drive capability suitable for direct MOSFET driving

DC DC Switching Controllers Applications

• Boost converter designs
• Flyback power supply implementations
• Forward converter circuits

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's official documentation to confirm lead-free compliance and RoHS status. Confirm the exact package marking and pinout configuration for the TSSOP-8 variant. Ensure the selected revision matches the required operating temperature range and electrical specifications for the target application environment.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring a cost-effective current-mode PWM solution with integrated gate drive. Consider the 1 MHz frequency limit and 1 A output current when sizing external components. Verify compatibility with the desired topology, such as boost or flyback, and ensure the 8.2 V to 12 V input range aligns with the system power supply constraints.

DC DC Switching Controllers Part Context

The UCC2813 series represents Texas Instruments' low-power economy line of BiCMOS current mode PWM controllers. These devices are designed for general-purpose DC-DC conversion applications where power efficiency and component count are critical. The family offers robust performance in compact packages, supporting various standard converter topologies commonly used in consumer and industrial electronics.

DC DC Switching Controllers Replacement Considerations

Public sources indicate that the UCC2813PW-3 is obsolete. Potential substitutes include the UCC2813PW-1 and UCC2813PWTR-3. Verify functional equivalence and pin compatibility before replacement.