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- Manufacturer No：UC3843D
- Manufacturer：Texas Instruments
- Category：PMIC - Voltage Regulators - DC DC Switching Controllers
- Datasheet：UC3843D
- SKU：1269943
- Description：CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 50ns 0C~70C TA Up to 500kHz 13.5V
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User Guide
UC3843D Details
CURRENT-MODE BIPOLAR DUAL Surface Mount DC-DC Controller IC 50ns 0C~70C TA Up to 500kHz 13.5V
UC3843D Specification Parameters
- Part Status: Active
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
- Number of Outputs: 1
- Pbfree Code: yes
- Surface Mount: YES
- JESD-609 Code: e4
- Factory Lead Time: 6 Weeks
- Terminal Form: GULL WING
- Peak Reflow Temperature (Cel): 260
- Number of Terminations: 14
- Nominal Input Voltage: 25V
- Output Configuration: Positive
- Output Current: 200mA
- Operating Temperature: 0°C~70°C TA
- Supply Current-Max (Isup): 25mA
- Control Mode: CURRENT-MODE
- Width: 3.91mm
- Analog IC - Other Type: SWITCHING CONTROLLER
- Output Type: Transistor Driver
- Fall Time (Typ): 50 ns
- Rise Time: 50ns
- Input Current: 11mA
- Max Duty Cycle: 100 %
- Frequency: 450kHz
- Weight: 122.413241mg
- Voltage - Supply (Vcc/Vdd): 12V~28V
- Base Part Number: UC3843
- RoHS Status: ROHS3 Compliant
- Mounting Type: Surface Mount
- ECCN Code: EAR99
- Synchronous Rectifier: No
- Lead Free: Lead Free
- Terminal Position: DUAL
- Packaging: Tube
- REACH SVHC: No SVHC
- Terminal Finish: Nickel/Palladium/Gold (Ni/Pd/Au)
- Number of Pins: 14
- Input Voltage-Nom: 15V
- Technology: BIPOLAR
- Height: 1.75mm
- Control Technique: PULSE WIDTH MODULATION
- Subcategory: Switching Regulator or Controllers
- Lifecycle Status: ACTIVE (Last Updated: 1 day ago)
- Thickness: 1.58mm
- Package / Case: 14-SOIC (0.154, 3.90mm Width)
- Length: 8.65mm
- Output Voltage: 13.5V
- Quiescent Current: 11mA
- Control Features: Frequency Control
- Function: Step-Up, Step-Down, Step-Up/Step-Down
- Frequency - Switching: Up to 500kHz
- Duty Cycle (Max): 97%
- Topology: Boost, Buck, Buck-Boost, Flyback, Forward
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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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