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Product Detailed Parameters
- Description：IC REG CTRLR MULT TOPOLOGY 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Applications：PWM Controller
- Voltage - Input：-0.3V ~ 6.3V
- Voltage - Supply：3.6V ~ 11V
- Current - Supply：500 µA
- Operating Temperature：-40°C ~ 125°C (TA)
- Grade：Automotive
- Qualification：AEC-Q100
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
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Overview
The UCC2803DTRG4 is a low-power BiCMOS current-mode PWM controller manufactured by Texas Instruments. It supports Boost, Buck, Flyback, and Forward topologies with a single output. The device operates at a switching frequency of 1 MHz and delivers an output current of 1 A. It features a maximum duty cycle of 100%, with rise and fall times of 41 ns and 44 ns respectively. Operating temperatures range from 0°C to +70°C. The component is housed in an SOIC-8 surface-mount package.
Feature Summary
- Implements current-mode pulse width modulation control for efficient power regulation.
- Supports multiple converter topologies including boost, buck, flyback, and forward configurations.
- Features low quiescent current consumption suitable for battery-powered applications.
Applications
- Battery-powered portable equipment
- DC-to-DC converter designs
- Low-power adapter systems
Procurement Notes
Verify the specific suffix 'G4' indicates lead-free compliance and environmental standards as defined by Texas Instruments. Confirm the SOIC-8 package dimensions match your PCB footprint requirements. Ensure the operating temperature range of 0°C to +70°C meets your system's thermal constraints before finalizing procurement.
Selection Notes
Select this component for applications requiring low standby power and high-frequency operation. The 1 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the 1 A output drive capability is sufficient for the intended gate driver or external switch configuration.
Part Context
This part belongs to the UCC280x series of low-power current-mode PWM controllers. It shares functional similarities with the UCC2803DREP but differs in qualification and packaging details. The series is designed for cost-sensitive, low-power applications where efficiency and small form factor are critical design parameters.
Replacement Considerations
The UCC2803DREP is a documented alternative within the same family. Verify if automotive or military qualification requirements necessitate the Q-series variants like UCC2803QDRQ1 instead of the standard commercial grade.
