UC3842AD
- 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
- Input Current :
- 11mA
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Output Current :
- 1A
- Synchronous Rectifier :
- No
- Frequency - Switching :
- Up to 500kHz
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Output Voltage :
- 5V
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Number of Outputs :
- 1
- Surface Mount :
- yes
- Supply Current-Max (Isup) :
- 25mA
- Max Output Current :
- 1A
- Number of Terminations :
- 8
- Nominal Input Voltage :
- 15V
- Rise Time :
- 50ns
- Length :
- 4.9mm
- Termination :
- SMD/SMT
- Control Mode :
- CURRENT-MODE
- REACH SVHC :
- No SVHC
- Width :
- 3.91mm
- Max Duty Cycle :
- 100 %
- Lead Free :
- Lead Free
- Duty Cycle (Max) :
- 96%
- Max Power Dissipation :
- 1W
- RoHS Status :
- ROHS3 Compliant
- Number of Pins :
- 8
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Pbfree Code :
- yes
- Frequency :
- 450kHz
- Output Configuration :
- Positive
- Operating Temperature :
- 0°C~70°C TA
- Output Type :
- Transistor Driver
- Height :
- 1.75mm
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Max Input Voltage :
- 25V
- Power Dissipation :
- 1W
- Terminal Position :
- Dual
- Terminal Form :
- Gull wing
- Control Technique :
- PULSE WIDTH MODULATION
- ECCN Code :
- EAR99
- Thickness :
- 1.58mm
- Factory Lead Time :
- 6 Weeks
- Packaging :
- Tube
- Supply Voltage :
- 11V
- Base Part Number :
- UC3842
- Fall Time (Typ) :
- 50 ns
- JESD-609 Code :
- e4
- Input Voltage-Nom :
- 15V
- Control Features :
- Frequency Control
- Weight :
- 72.603129mg
- Mounting Type :
- Surface Mount
- 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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