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Product Detailed Parameters
- Description：SWITCHING CONTROLLER
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Output Type：-
- Function：-
- Output Configuration：-
- Topology：-
- Number of Outputs：-
- Output Phases：-
- Voltage - Supply (Vcc/Vdd)：-
- Frequency - Switching：-
- Duty Cycle (Max)：-
- Synchronous Rectifier：-
- Clock Sync：-
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The Texas Instruments 5962-89920022A is a voltage-mode DC-DC switching controller belonging to the UC1856 series. It supports multiple topologies including Boost, Flyback, Forward, Full Bridge, Half Bridge, and Push-Pull configurations. The device features a maximum switching frequency of 500 kHz and provides an output drive current of 0.4 A. It operates within a temperature range of -55°C to +125°C and is housed in a CQCC20 package.
Feature Summary
- Supports versatile power conversion topologies such as boost, flyback, forward, full bridge, half bridge, and push-pull.
- Utilizes voltage-mode control architecture for stable regulation.
- Designed for robust operation across extended industrial temperature ranges.
Applications
- Industrial power supply systems
- Telecommunications equipment
- Military aerospace electronics
Procurement Notes
Verify component authenticity through authorized channels due to limited availability. Confirm RoHS compliance status and specific lot traceability requirements before procurement. Ensure storage conditions meet manufacturer specifications to maintain reliability.
Selection Notes
Select this controller for applications requiring flexible topology support and high-temperature resilience. Evaluate thermal management needs given the operating range. Compare against standard commercial variants if military-grade qualification is not required.
Part Context
This part is a military-grade variant of the UC1856 switching controller family. It shares functional characteristics with commercial counterparts but meets stricter environmental and reliability standards. The designation indicates specialized packaging and testing protocols for defense and aerospace sectors.
Replacement Considerations
Direct substitutes include other UC1856 series variants with compatible pinouts and electrical specifications. Verify package compatibility and temperature ratings when cross-referencing with alternative manufacturers' offerings.
