UC2845N
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- Mfr.Part #
- UC2845N
- Manufacturer
- onsemi
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC REG CTRLR BOOST/FLYBACK 8DIP
- Stock
- 757
- In Stock ：
- 757
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Number of Outputs :
- 1
- Mounting Type :
- Through Hole
- Weight :
- 528.605208mg
- ECCN Code :
- EAR99
- Synchronous Rectifier :
- No
- Operating Temperature :
- -40°C~85°C TA
- Rise Time :
- 50ns
- Control Mode :
- CURRENT-MODE
- Packaging :
- Tube
- Output Current :
- 1A
- Function :
- Step-Up, Step-Up/Step-Down
- Frequency :
- 500kHz
- Length :
- 9.81mm
- Input Voltage-Nom :
- 15V
- RoHS Status :
- ROHS3 Compliant
- Factory Lead Time :
- 6 Weeks
- Thickness :
- 3.9mm
- Terminal Pitch :
- 2.54mm
- Duty Cycle (Max) :
- 48%
- Topology :
- Boost, Flyback, Forward Converter
- Number of Terminations :
- 8
- Lead Free :
- Lead Free
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Switcher Configuration :
- Buck-Boost
- Supply Current-Max (Isup) :
- 25mA
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Power Dissipation :
- 1W
- JESD-609 Code :
- e4
- Width :
- 6.35mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Features :
- Frequency Control
- Output Configuration :
- Positive, Isolation Capable
- Height :
- 5.08mm
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Pbfree Code :
- yes
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Surface Mount :
- No
- Number of Pins :
- 8
- Nominal Input Voltage :
- 25V
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Max Duty Cycle :
- 50 %
- Base Part Number :
- UC2845
- REACH SVHC :
- No SVHC
- Control Technique :
- PULSE WIDTH MODULATION
- Output Voltage :
- 13.5V
- Terminal Position :
- Dual
- Fall Time (Typ) :
- 50 ns
- Output Type :
- Transistor Driver
- Datasheets
- UC2845N
DC DC Switching Controllers onsemi UC2845N Overview
The onsemi UC2845N is a high-performance IC specifically designed for controlling boost and flyback power converters. This device is part of onsemi's renowned line of DC DC Switching Controllers, integrating advanced features to enhance system reliability and efficiency. The UC2845N is crafted to manage complex power management challenges, making it an ideal solution for applications requiring precise voltage regulation and power efficiency. Its robust design and proven technology equip it for demanding environments, where stable and reliable power supply is critical. Employing the UC2845N can lead to significant improvements in performance and efficiency of electronic systems, highlighting its utility in a variety of power conversion applications.
UC2845N Features
The UC2845N offers several key features that make it a preferred choice for power control solutions. It supports a wide operating range with a frequency up to 500 kHz, allowing for flexible design choices in power supply applications. Its enhanced features include programmable output, under-voltage lockout for safe operation, and pulse-by-pulse current limiting which enhances the overall system safety and robustness. Moreover, the high current totem-pole output is capable of driving a transformer directly, facilitating simplified circuit design and reduced component count.
UC2845N Applications
- Server Power Supplies: Utilized to regulate power efficiently in server farms, ensuring stable operation under variable load conditions.
- Telecommunications Equipment: Helps in managing power requirements for telecom infrastructures, ensuring consistent performance and reliability.
- Battery Chargers: Used in advanced battery management systems to optimize charging algorithms and enhance battery life and performance.
- Power Tools: Integrates into the design of cordless power tools to provide effective power management, enhancing tool efficiency and battery usage.
- LED Lighting: Drives LED applications with high efficiency and precision, ensuring optimal power usage and light output consistency.
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