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
- Operating Temperature :
- 0°C~70°C TA
- Factory Lead Time :
- 6 Weeks
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Control Mode :
- CURRENT-MODE
- Pbfree Code :
- yes
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Width :
- 3.91mm
- Frequency :
- 450kHz
- Surface Mount :
- yes
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Mounting Type :
- Surface Mount
- Control Technique :
- PULSE WIDTH MODULATION
- Frequency - Switching :
- Up to 500kHz
- Output Configuration :
- Positive
- Supply Current-Max (Isup) :
- 25mA
- Height :
- 1.75mm
- Base Part Number :
- UC3844
- Max Power Dissipation :
- 725mW
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Max Duty Cycle :
- 50 %
- Number of Pins :
- 14
- Output Voltage :
- 13.5V
- Max Output Current :
- 1A
- JESD-609 Code :
- e4
- REACH SVHC :
- No SVHC
- Lead Free :
- Lead Free
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Input Voltage-Nom :
- 15V
- Number of Terminations :
- 14
- Nominal Input Voltage :
- 25V
- Rise Time :
- 50ns
- Synchronous Rectifier :
- No
- Packaging :
- Tube
- Length :
- 8.65mm
- Terminal Position :
- Dual
- Output Type :
- Transistor Driver
- Peak Reflow Temperature (Cel) :
- 260
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Thickness :
- 1.58mm
- Number of Outputs :
- 1
- Output Current :
- 200mA
- Quiescent Current :
- 11mA
- Lifecycle Status :
- ACTIVE (Last Updated: 1 day ago)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Terminal Form :
- Gull wing
- Control Features :
- Frequency Control
- RoHS Status :
- ROHS3 Compliant
- Weight :
- 122.413241mg
- Fall Time (Typ) :
- 50 ns
- ECCN Code :
- EAR99
- Duty Cycle (Max) :
- 48%
- 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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