UC3845DR2G
- Mfr.Part #
- UC3845DR2G
- Manufacturer
- onsemi
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BOOST/FLYBK 14SOIC
- Stock
- 10,822
- In Stock :
- 10,822
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- ECCN Code :
- EAR99
- Control Features :
- Frequency Control
- Synchronous Rectifier :
- No
- Switcher Configuration :
- Single
- Width :
- 3.9mm
- Topology :
- Boost, Flyback
- Input Voltage (Max) :
- 25V
- Terminal Finish :
- Tin (Sn)
- RoHS Status :
- RoHS Compliant
- Frequency - Switching :
- 500kHz
- Duty Cycle (Max) :
- 48%
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Function :
- Step-Up, Step-Up/Step-Down
- JESD-609 Code :
- e3
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Terminal Position :
- Dual
- Peak Reflow Temperature (Cel) :
- 260
- Output Type :
- Transistor Driver
- Number of Outputs :
- 1
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Mode :
- CURRENT-MODE
- Input Voltage (Min) :
- 8.2V
- Number of Terminations :
- 14
- Published :
- 2006
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Base Part Number :
- UC384*
- Surface Mount :
- yes
- Terminal Form :
- Gull wing
- Output Current-Max :
- 1A
- Output Configuration :
- Positive or Negative, Isolation Capable
- Control Technique :
- PULSE WIDTH MODULATION
- Packaging :
- Tape and Reel (TR)
- Operating Temperature :
- 0°C~70°C TA
- Length :
- 8.65mm
- Input Voltage-Nom :
- 15V
- Mounting Type :
- Surface Mount
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Datasheets
- UC3845DR2G

DC DC Switching Controllers onsemi UC3845DR2G Overview
Introducing the robust and versatile UC3845DR2G, a high-performance DC DC Switching Controller manufactured by onsemi. This innovative component is designed to masterfully manage and control boost and flyback topologies. Encased in a compact 14SOIC package, the UC3845DR2G stands out for its reliability and efficiency, making it an excellent choice for power supply designers who require a consistent and precise output voltage. Equipped with an impressive array of features including a trimmed oscillator for precise duty cycle control, internal soft start, and error amplifier, this integrated circuit ensures exceptional performance for a variety of applications. The UC3845DR2G, with its advanced engineering and onsemi's commitment to quality, offers the ideal solution for businesses looking to purchase in bulk for reliable power management in their electronic products.
UC3845DR2G Features
- Precision voltage reference trimmed to ±1%
- High current totem-pole output capable of driving a power MOSFET
- Internal soft-start functionality for smoother startup
- Under-voltage lockout with hysteresis
- Oscillator frequency guaranteed at 250kHz
- Pulse-by-pulse current limiting for improved system safety
- Automatic feed-forward compensation
UC3845DR2G Applications
- DC-DC Converters: Utilizes its advanced control features to efficiently convert and regulate voltage levels in power management systems.
- Power Supplies for Electronic Equipment: Ensures reliable and stable power supply for sensitive electronic devices with tight output regulation.
- Battery Chargers: Manages the charging process, facilitating consistent and controlled battery charging cycles.
- LED Lighting: Adapts to different LED configurations with precision control, ensuring optimal performance and longevity.
- Solar Inverters: Employs its robust characteristics in the conversion processes of solar panels to manage electrical flow effectively.
- Telecom and Datacom Power: Supports telecom infrastructure by providing noise-resistant, reliable power control solutions.
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