UC3845BDR2
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- Mfr.Part #
- UC3845BDR2
- Manufacturer
- onsemi
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BOOST/FLYBK 14SOIC
- Stock
- 11,580
- In Stock ：
- 11,580
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Synchronous Rectifier :
- No
- Output Configuration :
- Positive or Negative, Isolation Capable
- Mounting Type :
- Surface Mount
- Published :
- 2005
- Terminal Finish :
- Tin (Sn)
- Operating Temperature :
- 0°C~70°C TA
- Halogen Free :
- Halogen Free
- Output Voltage :
- 5V
- Packaging :
- Tape and Reel (TR)
- Number of Pins :
- 14
- Output Type :
- Transistor Driver
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Base Part Number :
- UC384*B
- Terminal Position :
- Dual
- Width :
- 3.9mm
- Number of Outputs :
- 1
- Length :
- 8.65mm
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Input Voltage-Nom :
- 15V
- Frequency - Switching :
- 500kHz
- Lead Free :
- Lead Free
- RoHS Status :
- ROHS3 Compliant
- Rise Time :
- 50ns
- Terminal Form :
- Gull wing
- Max Supply Current :
- 17mA
- Frequency :
- 52kHz
- Control Features :
- Frequency Control
- Peak Reflow Temperature (Cel) :
- 260
- Number of Terminations :
- 14
- JESD-609 Code :
- e3
- Topology :
- Boost, Flyback
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Control Mode :
- CURRENT-MODE
- Fall Time (Typ) :
- 50 ns
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Output Current :
- 1A
- Pbfree Code :
- yes
- Factory Lead Time :
- 7 Weeks
- Mount :
- Surface Mount
- Control Technique :
- PULSE WIDTH MODULATION
- Function :
- Step-Up, Step-Up/Step-Down
- Max Duty Cycle :
- 48 %
- ECCN Code :
- EAR99
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Switcher Configuration :
- Single
- Datasheets
- UC3845BDR2
DC DC Switching Controllers onsemi UC3845BDR2 Overview
The onsemi UC3845BDR2 is a highly efficient and robust DC DC switching controller designed for advanced power management applications. This integral component is engineered to facilitate reliable boost or flyback operations within an array of electronic devices. The UC3845BDR2 stands out in the market due to its versatility and high performance, making it an ideal choice for manufacturers looking to enhance the efficiency and longevity of their products. It is tailored to meet stringent power requirements while ensuring minimal power loss, which is critical for high-performance electronics. Its compact 14SOIC package allows seamless integration into various circuit designs, aiding in space conservation and simplification of assembly processes.
UC3845BDR2 Features
The UC3845BDR2 boasts an array of features that optimize performance and reliability. Key features include programmable switching frequencies up to 500 kHz, a wide operating voltage range, and enhanced line and load regulation capabilities. Additionally, it incorporates current-mode operation for improved transient response, under-voltage lockout for enhanced system safety, and a minimal number of external components required for operation. These features make the UC3845BDR2 a powerful and adaptable solution for managing complex power supply requirements in modern electronics.
UC3845BDR2 Applications
- Power Supplies: Utilized in developing both isolated and non-isolated power supply units, the UC3845BDR2 enhances efficiency and reliability.
- LED Lighting: Drives LED lighting solutions by providing stable and efficient power conversion, essential for achieving optimal illumination and longevity of LED arrays.
- Battery Chargers: Applied in battery charging systems for efficient power management and to ensure fast and consistent battery charging cycles.
- Solar Power Inverters: Integral in solar inverter designs, the UC3845BDR2 helps in converting DC from photovoltaic cells to AC, optimizing solar energy utilization.
- Telecommunication Equipment: Key in power supply solutions for telecom infrastructures, ensuring stable operation under varying load conditions.
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