UC3844D
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- Mfr.Part #
- UC3844D
- Manufacturer
- onsemi
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 14-SOIC
- Stock
- 6,132
- In Stock ：
- 6,132
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Max Output Current :
- 1A
- Quiescent Current :
- 11mA
- Duty Cycle (Max) :
- 48%
- Operating Temperature :
- 0°C~70°C TA
- Frequency - Switching :
- Up to 500kHz
- Fall Time (Typ) :
- 50 ns
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Output Configuration :
- Positive
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Pbfree Code :
- yes
- Max Duty Cycle :
- 50 %
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- ECCN Code :
- EAR99
- Rise Time :
- 50ns
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Number of Pins :
- 14
- Thickness :
- 1.58mm
- Control Features :
- Frequency Control
- Control Mode :
- CURRENT-MODE
- Weight :
- 122.413241mg
- Synchronous Rectifier :
- No
- Control Technique :
- PULSE WIDTH MODULATION
- REACH SVHC :
- No SVHC
- Terminal Form :
- Gull wing
- Width :
- 3.91mm
- Frequency :
- 450kHz
- Nominal Input Voltage :
- 25V
- Lead Free :
- Lead Free
- Output Current :
- 200mA
- Surface Mount :
- yes
- Supply Current-Max (Isup) :
- 25mA
- Length :
- 8.65mm
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Packaging :
- Tube
- Output Voltage :
- 13.5V
- Max Power Dissipation :
- 725mW
- Number of Terminations :
- 14
- Number of Outputs :
- 1
- JESD-609 Code :
- e4
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Output Type :
- Transistor Driver
- Terminal Position :
- Dual
- Factory Lead Time :
- 6 Weeks
- Base Part Number :
- UC3844
- Input Voltage-Nom :
- 15V
- Peak Reflow Temperature (Cel) :
- 260
- Height :
- 1.75mm
- RoHS Status :
- ROHS3 Compliant
- Mounting Type :
- Surface Mount
- Datasheets
- UC3844D
DC DC Switching Controllers onsemi UC3844D Overview
The onsemi UC3844D is a pivotal component in the realm of power management, engineered to deliver precision and efficiency. This DC DC Switching Controller is adept at handling complex power supply conditions, ideally suited for converting a broad DC input voltage to a regulated output voltage. Its robust design is tailored for superior performance in PWM control applications, ensuring reliability and high efficiency. The UC3844D by onsemi stands out for its ability to facilitate stable and secure operations across various electrical architectures, making it an invaluable asset for developing advanced power solutions.
UC3844D Features
The UC3844D includes several key features that make it a top choice for power management tasks. These features include programmable switching frequencies up to 500 kHz, a wide operating voltage range, and enhanced line and load regulation functionalities. Additionally, it offers protection against overcurrent and undervoltage, which safeguards the system components from potential damage and ensures stable performance under diverse operating conditions.
UC3844D Applications
- Power Supplies: Utilizes its PWM capabilities to ensure efficient power conversion and stable output in both isolated and non-isolated configurations.
- LED Drivers: Employs its precise control to manage the power requirements of LEDs, enhancing their performance and lifespan.
- Charging Systems: Applies its adjustable output control to optimize the charging processes for batteries, improving safety and efficiency.
- Telecommunications Equipment: Leverages its robust voltage regulation to maintain stable operations in sensitive communication devices.
- Solar Power Inverters: Uses its efficient switching to convert DC from solar panels to AC, maximizing energy utilization and grid compatibility.
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