UC3842AN
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- Mfr.Part #
- UC3842AN
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR FLYBK ISO PWM 8-DIP
- Stock
- 10,763
- In Stock ：
- 10,763
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- JESD-609 Code :
- e4
- Base Part Number :
- UC3842
- Max Power Dissipation :
- 1W
- Supply Voltage :
- 11V
- Termination :
- Through Hole
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Number of Outputs :
- 1
- Max Input Voltage :
- 25V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Terminations :
- 8
- Max Duty Cycle :
- 100 %
- Duty Cycle (Max) :
- 96%
- Mounting Type :
- Through Hole
- Fall Time (Typ) :
- 50 ns
- Weight :
- 528.605208mg
- Output Voltage :
- 15V
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Factory Lead Time :
- 6 Weeks
- Operating Temperature :
- 0°C~70°C TA
- Terminal Pitch :
- 2.54mm
- Tolerance :
- 2%
- Length :
- 9.81mm
- Frequency :
- 450kHz
- Control Mode :
- CURRENT-MODE
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Height :
- 5.08mm
- Supply Current-Max (Isup) :
- 25mA
- Surface Mount :
- No
- Terminal Position :
- Dual
- Frequency - Switching :
- Up to 500kHz
- Output Configuration :
- Positive
- Output Current :
- 1A
- REACH SVHC :
- No SVHC
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Nominal Input Voltage :
- 25V
- Max Output Voltage :
- 13.5V
- Control Features :
- Frequency Control
- Output Type :
- Transistor Driver
- Lead Free :
- Lead Free
- Packaging :
- Tube
- RoHS Status :
- ROHS3 Compliant
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Technique :
- PULSE WIDTH MODULATION
- Rise Time :
- 50ns
- Synchronous Rectifier :
- No
- Input Voltage-Nom :
- 15V
- Reference Voltage :
- 5V
- Pbfree Code :
- yes
- Power Dissipation :
- 1W
- Max Output Current :
- 1A
- Number of Pins :
- 8
- Input Current :
- 11mA
- Thickness :
- 3.9mm
- ECCN Code :
- EAR99
- Width :
- 6.35mm
- Datasheets
- UC3842AN
DC DC Switching Controllers onsemi UC3842AN Overview
Introducing the UC3842AN, a highly efficient and reliable DC DC switching controller from onsemi, engineered to enhance the performance of flyback converters using isolated PWM control. This IC REG CTRLR is housed in an 8DIP package, making it ideal for compact spaces while delivering robust functionality. The UC3842AN is tailored for sophisticated power supply systems that demand high accuracy, minimal power loss, and enhanced thermal management. Its superior design is pivotal for achieving stable and consistent power conversion in various industrial applications, ensuring longevity and reliability.
UC3842AN Features
The UC3842AN is packed with features that make it a standout choice for managing power requirements efficiently. Key features include programmable switching frequencies, a wide operating voltage range, and internal compensation to minimize external part count. It also boasts a high current totem-pole output designed to drive a Power MOSFET. Additionally, its under-voltage lockout ensures reliable operation under fluctuating voltage conditions, safeguarding the device and connected components from potential damage.
UC3842AN Applications
- Power Supplies: The UC3842AN is extensively used in the development of switching power supplies that require efficient voltage regulation, such as those found in telecommunications and server systems. Its ability to minimize energy loss makes it crucial for high-performance power systems.
- Battery Chargers: Employing this controller in battery chargers helps achieve precise control over charging cycles, ensuring optimal charging efficiency and prolonging battery life, particularly in automotive and industrial settings.
- LED Drivers: In LED lighting solutions, the UC3842AN contributes to stable current management, thereby maintaining consistent illumination and maximizing the lifespan of the LEDs, suitable for both commercial and residential environments.
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