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
- Number of Terminations :
- 8
- Output Configuration :
- Positive
- Fall Time (Typ) :
- 50 ns
- Input Voltage-Nom :
- 15V
- Terminal Position :
- Dual
- Width :
- 6.35mm
- Output Type :
- Transistor Driver
- Termination :
- Through Hole
- REACH SVHC :
- No SVHC
- Base Part Number :
- UC3842
- Input Current :
- 11mA
- Max Output Voltage :
- 13.5V
- Power Dissipation :
- 1W
- Height :
- 5.08mm
- Packaging :
- Tube
- Nominal Input Voltage :
- 25V
- Output Voltage :
- 15V
- Synchronous Rectifier :
- No
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Weight :
- 528.605208mg
- Number of Pins :
- 8
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Topology :
- Boost, Buck, Buck-Boost, Flyback, Forward
- Terminal Pitch :
- 2.54mm
- Rise Time :
- 50ns
- Control Features :
- Frequency Control
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Max Duty Cycle :
- 100 %
- Frequency :
- 450kHz
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Control Technique :
- PULSE WIDTH MODULATION
- Supply Current-Max (Isup) :
- 25mA
- Operating Temperature :
- 0°C~70°C TA
- Mounting Type :
- Through Hole
- Length :
- 9.81mm
- Frequency - Switching :
- Up to 500kHz
- JESD-609 Code :
- e4
- ECCN Code :
- EAR99
- Surface Mount :
- No
- Max Output Current :
- 1A
- RoHS Status :
- ROHS3 Compliant
- Output Current :
- 1A
- Max Power Dissipation :
- 1W
- Pbfree Code :
- yes
- Thickness :
- 3.9mm
- Tolerance :
- 2%
- Factory Lead Time :
- 6 Weeks
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Duty Cycle (Max) :
- 96%
- Reference Voltage :
- 5V
- Max Input Voltage :
- 25V
- Lead Free :
- Lead Free
- Control Mode :
- CURRENT-MODE
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Number of Outputs :
- 1
- Supply Voltage :
- 11V
- 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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