UC3842D8
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- Mfr.Part #
- UC3842D8
- Manufacturer
- Unitrode
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- UC3842 CURRENT-MODE PWM CONTROLL
- Stock
- 2,974
- In Stock ：
- 2,974
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- Manufacturer :
- Unitrode
- Product Category :
- DC DC Switching Controllers
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Packaging :
- Tube
- Length :
- 4.9mm
- Synchronous Rectifier :
- No
- Max Duty Cycle :
- 100 %
- Number of Pins :
- 8
- Output Configuration :
- Positive
- Weight :
- 72.603129mg
- Factory Lead Time :
- 6 Weeks
- Surface Mount :
- yes
- Frequency :
- 450kHz
- Number of Outputs :
- 1
- Supply Current-Max (Isup) :
- 25mA
- Output Voltage :
- 13.5V
- Thickness :
- 1.58mm
- Height :
- 1.75mm
- Control Features :
- Frequency Control
- Control Technique :
- PULSE WIDTH MODULATION
- Width :
- 3.91mm
- Duty Cycle (Max) :
- 97%
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Peak Reflow Temperature (Cel) :
- 260
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Input Voltage-Nom :
- 15V
- Terminal Position :
- Dual
- Operating Temperature :
- 0°C~70°C TA
- Base Part Number :
- UC3842
- RoHS Status :
- ROHS3 Compliant
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Rise Time :
- 50ns
- Pbfree Code :
- yes
- Terminal Form :
- Gull wing
- Lead Free :
- Lead Free
- Mounting Type :
- Surface Mount
- ECCN Code :
- EAR99
- Output Current :
- 1A
- JESD-609 Code :
- e4
- Output Type :
- Transistor Driver
- Number of Terminations :
- 8
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Fall Time (Typ) :
- 50 ns
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Control Mode :
- CURRENT-MODE
- Nominal Input Voltage :
- 25V
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Frequency - Switching :
- Up to 500kHz
- Datasheets
- UC3842D8
DC DC Switching Controllers Unitrode UC3842D8 Overview
The Unitrode UC3842D8 is a robust DC DC switching controller specifically engineered for high-performance applications requiring precise current control. As an integral part of power management strategies, this device is designed to enhance the efficiency and reliability of systems that demand stable and controlled power supply conditions. Utilizing advanced PWM technology, the UC3842D8 excels in delivering optimal performance while minimizing power loss, making it a preferred choice for manufacturers looking to leverage energy efficiency and reduce operational costs. The integration of features such as frequency compensation, controlled duty cycle variance, and a user-friendly interface makes the DC DC Switching Controllers Unitrode UC3842D8 an indispensable asset for developing sophisticated power solutions.
UC3842D8 Features
The UC3842D8 boasts a wide array of features designed to cater to demanding power regulation requirements. These include programmable switching frequencies, a wide input voltage range, and thermal shutdown capabilities. Additionally, the device supports high-frequency operation, which reduces the size of passive components and helps in designing compact and efficient power supplies. Its built-in error amplifier enhances output accuracy, while the under-voltage lockout ensures system stability and safety.
UC3842D8 Applications
- Power Supply Units: Employed to manage and stabilize voltage, ensuring consistent performance and longevity of electronic components.
- LED Drivers: Utilized for regulating power in LED lighting systems, ensuring optimal efficiency and brightness control.
- Battery Chargers: Used to precisely control the charging process, enhancing battery life and safety in applications such as electric vehicles and portable electronics.
- Telecommunication Equipment: Ensures reliable power management in sensitive communication devices which require stable and uninterrupted power supply.
- Solar Power Inverters: Applied in converting DC output from solar panels into AC power, optimizing energy conversion efficiency and grid compatibility.
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