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