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UCC3805DTR is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG CTRLR MULT TOPOLOGY 8SOIC. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for UCC3805DTR
- Description：IC REG CTRLR MULT TOPOLOGY 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Transistor Driver
- Function：Step-Up, Step-Down, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck, Boost, Flyback, Forward Converter
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：3.6V ~ 12V
- Frequency - Switching：31kHz
- Duty Cycle (Max)：49%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Frequency Control
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
DC DC Switching Controllers datasheet and documents for UCC3805DTR
DC DC Switching Controllers Overview
The UCC3805DTR is a current-mode PWM controller manufactured by Texas Instruments, designed for high-performance DC-DC switching applications. It supports multiple topologies including boost, buck, flyback, and forward converters. The device operates within a supply voltage range of 7.4V to 12V and features a fixed switching frequency of 46kHz with a maximum duty cycle of 49%. Packaged in an 8-SOIC surface-mount format, it functions within an ambient temperature range of 0°C to 70°C.
DC DC Switching Controllers Feature Summary
- Supports versatile power conversion topologies such as boost, buck, flyback, and forward configurations.
- Utilizes current-mode control architecture for precise regulation and fast transient response.
- Integrated oscillator provides stable frequency operation without external timing components.
DC DC Switching Controllers Applications
- General-purpose isolated and non-isolated DC-DC converter designs
- Forward and flyback power supply implementations
- Buck and boost regulator circuits
DC DC Switching Controllers Procurement Notes
Verify the specific suffix 'DTR' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets prior to integration. Ensure the component meets environmental specifications required for the target application environment.
DC DC Switching Controllers Selection Notes
Select this controller for designs requiring flexible topology support and standard current-mode performance. Consider the 46kHz fixed frequency and 49% duty cycle limits during magnetics design. Evaluate thermal requirements against the 0°C to 70°C operating range and ensure the 8-SOIC package fits the PCB layout constraints.
DC DC Switching Controllers Part Context
This component belongs to the UCC380x series of current-mode PWM controllers from Texas Instruments. These devices are engineered for cost-effective and reliable power management solutions across various industrial and consumer electronics applications. The series offers a balance of performance and simplicity for standard switching regulator needs.
DC DC Switching Controllers Replacement Considerations
Consult official Texas Instruments substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully before replacing existing inventory.
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