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  • Manufacturer No:
    UC3843AD
  • Manufacturer:
    Texas Instruments
  • Category:
    PMIC - Voltage Regulators - DC DC Switching Controllers
  • Datasheet:
    UC3843AD
  • SKU:
    1220865
  • Description:
    UC3843 Boost Buck Buck-Boost Flyback Forward Tube e4 DC to DC switching controller 50ns 1A 122.413241mg 13.5V

UC3843AD Details

UC3843 Boost Buck Buck-Boost Flyback Forward Tube e4 DC to DC switching controller 50ns 1A 122.413241mg 13.5V

UC3843AD 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
  • Terminal Finish: Nickel/Palladium/Gold (Ni/Pd/Au)
  • Number of Pins: 14
  • Output Current: 1A
  • Output Configuration: Positive
  • Height: 1.75mm
  • Control Technique: PULSE WIDTH MODULATION
  • Subcategory: Switching Regulator or Controllers
  • Width: 3.91mm
  • Analog IC - Other Type: SWITCHING CONTROLLER
  • Package / Case: 14-SOIC (0.154, 3.90mm Width)
  • Length: 8.65mm
  • Rise Time: 50 ns
  • Output Voltage: 13.5V
  • Input Current: 11mA
  • Max Duty Cycle: 100 %
  • Function: Step-Up, Step-Down, Step-Up/Step-Down
  • Frequency - Switching: Up to 500kHz
  • Voltage - Supply (Vcc/Vdd): 7.6V~30V
  • 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
  • Power Dissipation: 1W
  • Number of Terminations: 14
  • Nominal Input Voltage: 25V
  • Input Voltage-Nom: 15V
  • Technology: BIPOLAR
  • Operating Temperature: 0°C~70°C TA
  • Supply Current-Max (Isup): 25mA
  • Control Mode: CURRENT-MODE
  • Thickness: 1.58mm
  • Lifecycle Status: ACTIVE (Last Updated: 6 days ago)
  • Output Type: Transistor Driver
  • Fall Time (Typ): 50 ns
  • Supply Voltage: 11V
  • Quiescent Current: 11mA
  • Control Features: Frequency Control
  • Duty Cycle (Max): 96%
  • Frequency: 450kHz
  • Weight: 122.413241mg
  • Topology: Boost, Buck, Buck-Boost, Flyback, Forward

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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