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
- Mount :
- Surface Mount
- Number of Outputs :
- 1
- Length :
- 8.65mm
- Terminal Position :
- Dual
- Control Features :
- Frequency Control
- Lead Free :
- Lead Free
- Synchronous Rectifier :
- No
- Factory Lead Time :
- 7 Weeks
- JESD-609 Code :
- e3
- Pbfree Code :
- yes
- Width :
- 3.9mm
- Terminal Form :
- Gull wing
- Switcher Configuration :
- Single
- Number of Terminations :
- 14
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Frequency - Switching :
- 500kHz
- Frequency :
- 52kHz
- Rise Time :
- 50ns
- RoHS Status :
- ROHS3 Compliant
- Published :
- 2005
- Input Voltage-Nom :
- 15V
- ECCN Code :
- EAR99
- Number of Pins :
- 14
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Output Voltage :
- 5V
- Terminal Finish :
- Tin (Sn)
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Fall Time (Typ) :
- 50 ns
- Halogen Free :
- Halogen Free
- Control Technique :
- PULSE WIDTH MODULATION
- Max Supply Current :
- 17mA
- Operating Temperature :
- 0°C~70°C TA
- Function :
- Step-Up, Step-Up/Step-Down
- Output Current :
- 1A
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Mode :
- CURRENT-MODE
- Output Type :
- Transistor Driver
- Max Duty Cycle :
- 48 %
- Topology :
- Boost, Flyback
- Mounting Type :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 260
- Packaging :
- Tape and Reel (TR)
- Base Part Number :
- UC384*B
- Output Configuration :
- Positive or Negative, Isolation Capable
- 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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