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- Manufacturer No：UC2843AQ
- Manufacturer：Texas Instruments
- Category：PMIC - Voltage Regulators - DC DC Switching Controllers
- Datasheet：UC2843AQ
- SKU：1240525
- Description：Boost, Buck, Flyback, Forward Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down - DC-DC Controller IC 20-PLCC (9x9)
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User Guide
UC2843AQ Details
Boost, Buck, Flyback, Forward Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down - DC-DC Controller IC 20-PLCC (9x9)
UC2843AQ Specification Parameters
- RoHS Status: ROHS3 Compliant
- Number of Outputs: 1
- Synchronous Rectifier: No
- JESD-609 Code: e3
- Part Status: Obsolete
- Peak Reflow Temperature (Cel): 260
- Number of Terminations: 20
- Input Voltage (Max): 25V
- Input Voltage-Nom: 15V
- Switcher Configuration: SINGLE
- Moisture Sensitivity Level (MSL): 2 (1 Year)
- Terminal Form: J BEND
- Control Technique: PULSE WIDTH MODULATION
- Control Mode: CURRENT-MODE
- Analog IC - Other Type: SWITCHING CONTROLLER
- Fall Time (Typ): 50 ns
- Rise Time: 50ns
- Control Features: Frequency Control
- Duty Cycle (Max): 96%
- Function: Step-Up, Step-Down, Step-Up/Step-Down
- Frequency - Switching: Up to 500kHz
- Length: 8.96mm
- Topology: Boost, Buck, Buck-Boost, Flyback, Forward
- Mounting Type: Surface Mount
- ECCN Code: EAR99
- Surface Mount: YES
- Lead Free: Lead Free
- Packaging: Tube
- Number of Pins: 20
- Terminal Finish: Matte Tin (Sn)
- Output Voltage: 15V
- Terminal Position: QUAD
- Output Configuration: Positive
- Technology: BIPOLAR
- Output Current: 200mA
- Subcategory: Switching Regulator or Controllers
- Operating Temperature: -40°C~125°C TJ
- Output Type: Transistor Driver
- Height: 4.06mm
- Input Voltage (Min): 8.2V
- Max Duty Cycle: 100 %
- Package / Case: 20-LCC (J-Lead)
- Frequency: 450kHz
- Voltage - Supply (Vcc/Vdd): 7.6V~30V
- Width: 8.96mm
- Base Part Number: UC2843
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Texas Instruments — Manufacturer Introduction
Texas Instruments (TI) is a multinational semiconductor company based in Texas, United States. It is renowned for its development, manufacturing, and sale of semiconductors and computer technology, primarily focusing on innovative digital signal processing and analog circuitry. In addition to its semiconductor business, TI also offers solutions in sensing and control, educational products, and digital light processing.
Headquartered in Dallas, Texas, TI has manufacturing, design, and sales offices in more than 25 countries. It is the world's largest manufacturer of digital signal processors (DSPs) and analog circuit components, with its analog and digital signal processing technologies holding a dominant position worldwide.
After successive acquisitions of Fairchild Semiconductor's manufacturing division and Chengdu Cension Semiconductor, in 2011, TI further solidified its position as a leading analog semiconductor giant by acquiring National Semiconductor for $6.5 billion.
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