UC3842AD
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- Mfr.Part #
- UC3842AD
- Manufacturer
- Microsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 14-SOIC
- Stock
- 7,525
- In Stock ：
- 7,525
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- Manufacturer :
- Microsemi
- Product Category :
- DC DC Switching Controllers
- Max Input Voltage :
- 25V
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Output Type :
- Transistor Driver
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Factory Lead Time :
- 6 Weeks
- Surface Mount :
- yes
- Base Part Number :
- UC3842
- Frequency :
- 450kHz
- Output Current :
- 1A
- Power Dissipation :
- 1W
- Terminal Form :
- Gull wing
- Fall Time (Typ) :
- 50 ns
- Weight :
- 72.603129mg
- Control Features :
- Frequency Control
- Nominal Input Voltage :
- 15V
- Input Current :
- 11mA
- Termination :
- SMD/SMT
- Operating Temperature :
- 0°C~70°C TA
- REACH SVHC :
- No SVHC
- Number of Outputs :
- 1
- Max Duty Cycle :
- 100 %
- Lead Free :
- Lead Free
- Supply Current-Max (Isup) :
- 25mA
- Max Power Dissipation :
- 1W
- Duty Cycle (Max) :
- 96%
- Mounting Type :
- Surface Mount
- Length :
- 4.9mm
- Supply Voltage :
- 11V
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Max Output Current :
- 1A
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Number of Pins :
- 8
- Output Voltage :
- 5V
- Width :
- 3.91mm
- Pbfree Code :
- yes
- ECCN Code :
- EAR99
- Height :
- 1.75mm
- RoHS Status :
- ROHS3 Compliant
- Rise Time :
- 50ns
- Packaging :
- Tube
- Thickness :
- 1.58mm
- Synchronous Rectifier :
- No
- Terminal Position :
- Dual
- Frequency - Switching :
- Up to 500kHz
- Input Voltage-Nom :
- 15V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Technique :
- PULSE WIDTH MODULATION
- Control Mode :
- CURRENT-MODE
- Output Configuration :
- Positive
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Number of Terminations :
- 8
- Peak Reflow Temperature (Cel) :
- 260
- JESD-609 Code :
- e4
- Datasheets
- UC3842AD
DC DC Switching Controllers Microsemi UC3842AD Overview
Introducing the Microsemi UC3842AD, a state-of-the-art DC DC Switching Controller designed for high performance and reliability in power management applications. This innovative controller operates as a PWM (Pulse Width Modulation) regulator, making it an essential component for converting a DC input voltage into a controlled output voltage. Its integration in a 14SOIC package allows for compact and efficient designs, suitable for a wide range of industrial and commercial environments. The DC DC Switching Controllers Microsemi UC3842AD is optimized for superior performance, offering designers a versatile solution for their power supply needs.
UC3842AD Features
The UC3842AD boasts several key features that enhance its utility in power control systems. It includes an automatic feed-forward compensation and a pulse-by-pulse current limiting feature, which enhances its safety and efficiency. Additionally, the device offers under-voltage lockout with hysteresis, ensuring stable operation under fluctuating power conditions. Its high frequency operation up to 500 kHz enables smaller sized components to be used, which reduces overall system size and cost.
UC3842AD Applications
- Power Supplies: Used in switching power supplies where efficiency and reliability are critical. The UC3842AD enhances performance by providing stable PWM control, optimizing energy conversion and minimizing heat generation.
- DC-DC Converters: Ideal for applications requiring voltage step-up or step-down. The UC3842AD regulates voltage across diverse conditions, ensuring consistent output in portable and automotive electronics.
- LED Drivers: Utilized in LED lighting systems to provide precise current control, thus extending the life of the LEDs and improving energy efficiency.
- Battery Chargers: Suitable for advanced battery management systems where precise voltage and current regulation are necessary to enhance battery life and safety.
- Telecommunication Equipment: Ensures reliable power management in telecom infrastructure, critical for maintaining system integrity and operational continuity.
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