UC2843D8
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- Mfr.Part #
- UC2843D8
- Manufacturer
- Unitrode
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- UC2843A CURRENT MODE PWM CONTROL
- Stock
- 6,879
- In Stock ：
- 6,879
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- Manufacturer :
- Unitrode
- Product Category :
- DC DC Switching Controllers
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Position :
- Dual
- Duty Cycle (Max) :
- 97%
- Operating Temperature :
- -40°C~85°C TA
- RoHS Status :
- ROHS3 Compliant
- Output Configuration :
- Positive
- Height :
- 1.75mm
- Pbfree Code :
- yes
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Synchronous Rectifier :
- No
- Length :
- 4.9mm
- Number of Outputs :
- 1
- Surface Mount :
- yes
- Terminal Form :
- Gull wing
- Output Current :
- 1A
- Number of Terminations :
- 8
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Rise Time :
- 50ns
- Base Part Number :
- UC2843
- Weight :
- 72.603129mg
- Control Technique :
- PULSE WIDTH MODULATION
- Max Power Dissipation :
- 650mW
- Mounting Type :
- Surface Mount
- Number of Pins :
- 8
- Fall Time (Typ) :
- 50 ns
- Width :
- 3.91mm
- Control Mode :
- CURRENT-MODE
- Frequency :
- 450kHz
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Supply Current-Max (Isup) :
- 25mA
- ECCN Code :
- EAR99
- Nominal Input Voltage :
- 25V
- Lead Free :
- Lead Free
- Factory Lead Time :
- 6 Weeks
- Input Voltage-Nom :
- 15V
- JESD-609 Code :
- e4
- Control Features :
- Frequency Control
- Output Voltage :
- 13.5V
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Max Duty Cycle :
- 100 %
- Frequency - Switching :
- Up to 500kHz
- Packaging :
- Tube
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Thickness :
- 1.58mm
- REACH SVHC :
- No SVHC
- Output Type :
- Transistor Driver
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Datasheets
- UC2843D8
DC DC Switching Controllers Unitrode UC2843D8 Overview
The Unitrode UC2843D8 is a cutting-edge DC DC Switching Controller designed to drive innovation and efficiency in power management solutions. This component, trusted by industry professionals, offers precise current mode PWM control, enabling designers to create compact and reliable power supplies. With the reputation of Unitrode for high-performance integrated circuits, the UC2843D8 is tailored for applications that demand robustness and precision. The meticulous design ensures minimal power loss and enhanced thermal management, making it a top choice for B2B clients looking to enhance their products with dependable and efficient power regulation technologies. Integrating this DC DC Switching Controllers Unitrode UC2843D8 into your power management systems means opting for an industry-leading solution that excels in performance and reliability.
UC2843D8 Features
- Current Mode PWM Control
- Optimized for Off-Line and DC-DC Converters
- Low Startup and Operating Current
- Up to 500 kHz Operation
- Automatic Feed Forward Compensation
- Pulse-by-Pulse Current Limiting
- Enhanced Load Response Characteristics
- Under-Voltage Lockout with Hysteresis
- Double Pulse Suppression
UC2843D8 Applications
- DC-DC Converters: Implements precise regulation in switch-mode power supplies, ensuring consistent power delivery for sensitive electronics.
- Power Factor Correction (PFC): Enhances the power factor of AC-DC converters by efficiently controlling the input current shaping in response to fluctuating loads.
- Battery Chargers: Manages the delivery of controlled charging currents and voltages, which is critical for maintaining battery longevity and safety.
- LED Drivers: Supplies stable current for LED applications, preventing flicker and ensuring optimal brightness and color quality.
- Telecommunication Equipment: Provides reliable power conversion necessary for the demanding and continuous operation of telecom infrastructures.
- Server Power Supplies: Supports high-efficiency power supplies needed for server racks, balancing performance and energy usage.
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