UC3844NG
- Mfr.Part #
- UC3844NG
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.260, 6.60mm)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 8-DIP
- Stock
- 5,510
- In Stock :
- 5,510
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Weight :
- 528.605208mg
- Supply Current-Max (Isup) :
- 25mA
- Control Mode :
- CURRENT-MODE
- Width :
- 6.35mm
- Terminal Position :
- Dual
- Nominal Input Voltage :
- 25V
- Input Voltage-Nom :
- 15V
- REACH SVHC :
- No SVHC
- Output Configuration :
- Positive
- Output Voltage :
- 5V
- Height :
- 5.08mm
- Number of Outputs :
- 1
- Synchronous Rectifier :
- No
- Operating Temperature :
- 0°C~70°C TA
- Output Type :
- Transistor Driver
- Duty Cycle (Max) :
- 48%
- ECCN Code :
- EAR99
- Frequency - Switching :
- Up to 500kHz
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Input Current :
- 11mA
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Terminal Pitch :
- 2.54mm
- Lifecycle Status :
- ACTIVE (Last Updated: 1 week ago)
- RoHS Status :
- ROHS3 Compliant
- Thickness :
- 3.9mm
- Control Features :
- Frequency Control
- Mounting Type :
- Through Hole
- Factory Lead Time :
- 6 Weeks
- Power Dissipation :
- 1W
- Lead Free :
- Lead Free
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Frequency :
- 450kHz
- JESD-609 Code :
- e4
- Number of Terminations :
- 8
- Control Technique :
- PULSE WIDTH MODULATION
- Base Part Number :
- UC3844
- Max Duty Cycle :
- 50 %
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Fall Time (Typ) :
- 50 ns
- Number of Pins :
- 8
- Length :
- 9.81mm
- Package / Case :
- 8-DIP (0.260, 6.60mm)
- Pbfree Code :
- yes
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Rise Time :
- 50ns
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Surface Mount :
- No
- Packaging :
- Tube
- Output Current :
- 200mA
- Datasheets
- UC3844NG

DC DC Switching Controllers onsemi UC3844NG Overview
The UC3844NG by onsemi is a robust DC DC Switching Controller designed for high-performance applications requiring precise voltage regulation and PWM control. This component is housed in an 8DIP package, optimizing it for stable and efficient operations in various electronic configurations. The UC3844NG's functionality is specifically engineered to cater to advanced power supply systems, ensuring superior reliability and enhanced power management capabilities. Its integration in critical systems highlights its importance in delivering optimized performance, making it a key choice for designers seeking to deploy top-tier power solutions.
UC3844NG Features
The UC3844NG stands out with several distinctive features. It offers a trimmed oscillator for precise duty cycle control, a temperature-compensated voltage reference, and high-current totem pole output designed to drive a power MOSFET. Additionally, the device includes under-voltage lockout features with hysteresis, double pulse suppression, and programmable slope compensation. These features collectively make the UC3844NG an ideal candidate for demanding power management tasks.
UC3844NG Applications
- Switch Mode Power Supplies (SMPS): The UC3844NG excels in applications requiring efficient power conversion, reducing energy loss and improving system reliability.
- DC-DC Converters: Used to step up or step down DC voltages, ensuring stable output regardless of variable input conditions.
- Battery Chargers: Provides the necessary control for charging batteries effectively, ensuring quick response times and precise charge control to extend battery life.
- LED Drivers: Capable of driving LEDs with constant current, making it suitable for lighting applications that require low power consumption and long lifespan.
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