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UC2827DW-2 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 TOP 24SOIC. Review the specifications below when checking this part for your BOM.
DC DC Switching Controllers specifications for UC2827DW-2
- Description：IC REG CTRLR MULT TOP 24SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Full-Bridge, Push-Pull
- Number of Outputs：3
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：7.6V ~ 20V
- Frequency - Switching：220kHz
- Duty Cycle (Max)：91%
- Synchronous Rectifier：Yes
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Frequency Control, Ramp, Soft Start
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：24-SOIC
- Grade：-
- Qualification：-
DC DC Switching Controllers datasheet and documents for UC2827DW-2
DC DC Switching Controllers Overview
The UC2827DW-2 is a Buck current/voltage fed push-pull PWM controller manufactured by Texas Instruments. It operates within a supply voltage range of 7.6V to 20V and supports switching frequencies up to 220kHz with a maximum duty cycle of 91%. The device features synchronous rectification, clock synchronization, and control characteristics including frequency control, slope compensation, and soft start. It provides three positive output transistor drivers in a 24-SOIC package.
DC DC Switching Controllers Feature Summary
- Supports buck current and voltage fed push-pull topologies
- Includes synchronous rectification and clock synchronization capabilities
- Integrates frequency control, slope compensation, and soft start functions
DC DC Switching Controllers Applications
- Buck converter designs using push-pull topology
- Current mode PWM control systems
- Power supplies requiring synchronous rectification
DC DC Switching Controllers Procurement Notes
Verify component status as the UC2827DW-2 is listed as obsolete and no longer manufactured. Confirm availability through authorized distributors or secondary market channels. Ensure replacement parts such as the UC2827DWTR-1 are evaluated for functional compatibility before procurement. Check datasheet revisions for any parameter updates.
DC DC Switching Controllers Selection Notes
Select this controller for applications requiring a buck push-pull architecture with integrated synchronous rectification. Consider the 220kHz switching frequency limit and 91% maximum duty cycle when designing the power stage. Verify that the 24-SOIC package fits the PCB layout constraints. Evaluate thermal performance within the -40°C to 85°C operating range.
DC DC Switching Controllers Part Context
The UC2827 series comprises current-mode PWM controllers designed for high-efficiency power conversion. The UC2827DW-2 variant specifically targets buck applications with push-pull configurations. It belongs to Texas Instruments' portfolio of switch-mode power supply controllers, offering integrated protection and control features for robust operation.
DC DC Switching Controllers Replacement Considerations
The UC2827DWTR-1 is identified as an available substitute part number. Verify pinout compatibility and electrical specifications against the original UC2827DW-2 datasheet before implementation.
DC DC Switching Controllers FAQ
What is the maximum duty cycle for the UC2827DW-2?
The maximum duty cycle is 91%.
Does the UC2827DW-2 support synchronous rectification?
Yes, the device includes synchronous rectification functionality.
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