UC3845BVDR2
- Mfr.Part #
- UC3845BVDR2
- Manufacturer
- onsemi
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BOOST/FLYBK 14SOIC
- Stock
- 18,245
- In Stock :
- 18,245
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Lead Free :
- Lead Free
- Output Configuration :
- Positive or Negative, Isolation Capable
- Pbfree Code :
- yes
- Terminal Form :
- Gull wing
- Max Duty Cycle :
- 48 %
- Number of Terminations :
- 14
- Rise Time :
- 50ns
- Output Voltage :
- 5.1V
- Width :
- 4mm
- Frequency - Switching :
- 500kHz
- Peak Reflow Temperature (Cel) :
- 260
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Switcher Configuration :
- Single
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Input Voltage (Max) :
- 25V
- Control Features :
- Frequency Control
- Output Type :
- Transistor Driver
- RoHS Status :
- ROHS3 Compliant
- Operating Temperature :
- -40°C~105°C TA
- Synchronous Rectifier :
- No
- Terminal Finish :
- Tin (Sn)
- Height :
- 1.5mm
- JESD-609 Code :
- e3
- Length :
- 8.75mm
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Control Mode :
- CURRENT-MODE
- Factory Lead Time :
- 2 Weeks
- ECCN Code :
- EAR99
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Technique :
- PULSE WIDTH MODULATION
- Mount :
- Surface Mount
- Mounting Type :
- Surface Mount
- Packaging :
- Tape and Reel (TR)
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Fall Time (Typ) :
- 50 ns
- Number of Pins :
- 14
- Max Frequency :
- 500kHz
- Input Voltage-Nom :
- 15V
- Number of Outputs :
- 1
- Halogen Free :
- Halogen Free
- Function :
- Step-Up, Step-Up/Step-Down
- Terminal Position :
- Dual
- Topology :
- Boost, Flyback
- Published :
- 2004
- Base Part Number :
- UC384*B
- Output Current :
- 1A
- Datasheets
- UC3845BVDR2

DC DC Switching Controllers onsemi UC3845BVDR2 Overview
The UC3845BVDR2 by onsemi stands out in the realm of DC DC Switching Controllers, offering superior performance in demanding applications. This integrated circuit is specifically designed to facilitate efficient control of boost and flyback converters, making it an essential component for power management solutions. Its robust design ensures reliability and enhanced functionality in various power conversion scenarios, making it ideal for developers and engineers looking to improve system efficiency and durability.
UC3845BVDR2 Features
The UC3845BVDR2 boasts a range of features that enhance its applicability in power conversion systems. Key features include a wide input voltage range, high-frequency operation which allows for smaller-sized components, and improved energy efficiency. Additionally, the device integrates various protection features such as over-current protection, enhancing the overall safety and longevity of the application it is used in.
UC3845BVDR2 Applications
- Power Supplies: Utilized in the development of both isolated and non-isolated power supplies, where it helps in achieving stable and reliable voltage conversion.
- Battery Chargers: Employed in charging systems for batteries, ensuring efficient energy transfer and proper management of charging cycles.
- LED Lighting: Critical in driving LED lighting systems, the UC3845BVDR2 helps in maintaining consistent brightness and improving energy efficiency.
- Telecommunications Equipment: Used in telecom infrastructures to manage power supply needs, ensuring reliable operation across various conditions.
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