UC2843P
- Mfr.Part #
- UC2843P
- Manufacturer
- Texas Instruments
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- SWITCHING CONTROLLER
- Stock
- 21,197
- In Stock :
- 21,197
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Package Shape :
- RECTANGULAR
- Pin Count :
- 8
- Terminal Form :
- THROUGH-HOLE
- Number of Terminals :
- 8
- RoHS :
- Compliant
- Output Phases :
- 1
- Series :
- -
- Temperature Grade :
- Industrial
- Serial Interfaces :
- -
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Terminal Finish :
- TIN LEAD
- Output Type :
- Transistor Driver
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Control Features :
- Frequency Control
- Operating Temperature :
- -40°C ~ 85°C (TA)
- Product Status :
- Active
- Terminal Pitch :
- 2.54 mm
- Switcher Configuration :
- Single
- Terminal Position :
- Dual
- Package :
- Bulk
- Clock Sync :
- No
- JESD-609 Code :
- e0
- Switching Frequency-Max :
- 500 kHz
- Supplier Device Package :
- 8-PDIP
- Technology :
- Bipolar
- Number of Functions :
- 1
- Surface Mount :
- No
- Reach Compliance Code :
- Unknown
- Control Technique :
- PULSE WIDTH MODULATION
- Seated Height-Max :
- 5.08 mm
- Synchronous Rectifier :
- No
- Number of Outputs :
- 1
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Output Configuration :
- Positive, Isolation Capable
- Qualification Status :
- COMMERCIAL
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Voltage - Supply (Vcc/Vdd) :
- 12V ~ 28V
- Control Mode :
- CURRENT-MODE
- Mounting Type :
- Through Hole
- JESD-30 Code :
- R-PDIP-T8
- Manufacturer :
- Rochester Electronics LLC
- Width :
- 7.62 mm
- Pbfree Code :
- No
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Output Current-Max :
- 1 A
- Base Product Number :
- UC2843
- Length :
- 9.81 mm
- Frequency - Switching :
- Up to 500kHz
- Duty Cycle (Max) :
- 97%
- Datasheets
- UC2843P
UC2843P Documents

DC DC Switching Controllers Texas Instruments UC2843P Overview
The UC2843P from Texas Instruments is a robust switching controller designed for high-performance applications requiring precise power delivery and efficiency. This device integrates innovative features suited for managing DC-DC power conversions across a variety of demanding environments. Its advanced design ensures reliability and superior performance, making it an ideal choice for engineers and designers looking to optimize their power supply systems. With Texas Instruments' commitment to high-quality semiconductor products, the UC2843P enhances system stability and power management in complex electronic assemblies.
UC2843P Features
The UC2843P is equipped with several key features that make it stand out as a top choice for power management solutions:
- High-frequency operation up to 500 kHz, allowing for smaller sized components and reduced power loss.
- Current mode operation provides improved transient response and simplifies loop compensation.
- Low startup current of 0.5 mA maximizes efficiency during power-up phases.
- Pulse-by-pulse current limiting enhances the protection against short circuits and overloads.
- Under-voltage lockout with hysteresis ensures stable operation under varying voltage conditions.
UC2843P Applications
- Power Supplies: Utilized in both isolated and non-isolated configurations, the UC2843P improves efficiency and reliability in switching power supplies.
- LED Lighting: Drives LED arrays efficiently, ensuring optimal brightness and longevity of lighting systems.
- Battery Chargers: Manages and optimizes the power flow in battery charging circuits, enhancing charging efficiency and battery health.
- Telecommunications Equipment: Provides reliable power management solutions for telecommunications infrastructure, ensuring stable operation under variable load conditions.
- Consumer Electronics: Integrates seamlessly into various consumer electronics to enhance power efficiency and device performance.
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