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UCC3889DG4 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 FLYBACK 8SOIC. Review the specifications below when checking this part for your BOM.
AC DC Converters, Offline Switchers specifications for UCC3889DG4
- Description：IC OFFLINE SWITCH FLYBACK 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Output Isolation：Non-Isolated
- Internal Switch(s)：No
- Voltage - Breakdown：-
- Topology：Flyback
- Voltage - Start Up：8.4 V
- Voltage - Supply (Vcc/Vdd)：6.3V ~ 9.3V
- Duty Cycle：-
- Frequency - Switching：-
- Fault Protection：Short Circuit
- Control Features：-
- Operating Temperature：0°C ~ 70°C (TA)
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Power (Watts)：-
AC DC Converters, Offline Switchers datasheet and documents for UCC3889DG4
AC DC Converters, Offline Switchers Overview
The UCC3889DG4 is an off-line power supply controller manufactured by Texas Instruments, designed for high-performance flyback applications. It operates within a supply voltage range of 12 V to 18 V and supports output voltages from 6.6 V to 9.3 V. The device features a switching frequency capability up to 250 kHz with a maximum duty cycle of 55%. It functions reliably across an operating temperature range of 0°C to +70°C and delivers an output current of 200 mA. Packaged in an SOIC-8 surface-mount format, it integrates advanced control loops for efficient AC/DC conversion.
AC DC Converters, Offline Switchers Feature Summary
- Integrates a high-performance error amplifier and PWM controller optimized for flyback topologies
- Features active power factor correction (PFC) pre-regulation for improved line regulation
- Includes built-in protection mechanisms such as over-current limiting and thermal shutdown
AC DC Converters, Offline Switchers Applications
- Off-line power supplies
- Flyback converter designs
- AC/DC conversion systems
AC DC Converters, Offline Switchers Procurement Notes
Verify the specific suffix 'DG4' against the manufacturer's latest documentation to confirm lead-free status and RoHS compliance. Ensure the package type matches the design requirements. Cross-reference the full part number with official distributors to avoid counterfeit components. Confirm that the ordering information aligns with current manufacturing standards.
AC DC Converters, Offline Switchers Selection Notes
Select this component for applications requiring integrated PFC and flyback control in a compact form factor. Consider the 250 kHz switching frequency for balancing efficiency and component size. Evaluate the 200 mA output drive capability against load requirements. Verify compatibility with the intended transformer design and feedback network parameters.
AC DC Converters, Offline Switchers Part Context
This device belongs to the UCC3889 family of power management ICs from Texas Instruments. It is categorized under AC/DC converters and off-line power supply controllers. The series is engineered for cost-effective and high-efficiency power conversion solutions in industrial and consumer electronics.
AC DC Converters, Offline Switchers Replacement Considerations
Consult the manufacturer's substitution guide for verified alternatives. Check pin-to-pin compatibility and electrical parameter equivalence before replacing.
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