UC3845BVD1R2
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- Mfr.Part #
- UC3845BVD1R2
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BOOST/FLYBACK 8SOIC
- Stock
- 39,041
- In Stock ：
- 39,041
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Synchronous Rectifier :
- No
- Width :
- 4mm
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Control Mode :
- CURRENT-MODE
- Number of Terminations :
- 8
- Fall Time (Typ) :
- 50 ns
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Max Duty Cycle :
- 48 %
- Mount :
- Surface Mount
- Packaging :
- Tape and Reel (TR)
- Base Part Number :
- UC384*B
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Control Technique :
- PULSE WIDTH MODULATION
- Control Features :
- Frequency Control
- Height :
- 1.5mm
- Mounting Type :
- Surface Mount
- Output Configuration :
- Positive or Negative, Isolation Capable
- Output Current :
- 1A
- Lead Free :
- Lead Free
- Pbfree Code :
- yes
- Number of Pins :
- 8
- Published :
- 2005
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- ECCN Code :
- EAR99
- Number of Outputs :
- 1
- Switcher Configuration :
- Single
- Output Voltage :
- 5V
- Terminal Finish :
- Tin (Sn)
- Duty Cycle (Max) :
- 48%
- Peak Reflow Temperature (Cel) :
- 260
- Rise Time :
- 50ns
- Time@Peak Reflow Temperature-Max (s) :
- 40
- JESD-609 Code :
- e3
- Input Voltage-Nom :
- 15V
- Terminal Position :
- Dual
- Halogen Free :
- Halogen Free
- Topology :
- Boost, Flyback
- Output Type :
- Transistor Driver
- Length :
- 5mm
- Function :
- Step-Up, Step-Up/Step-Down
- Factory Lead Time :
- 9 Weeks
- Terminal Form :
- Gull wing
- Operating Temperature :
- -40°C~105°C TA
- RoHS Status :
- ROHS3 Compliant
- Max Supply Current :
- 12mA
- Frequency :
- 500kHz
- Datasheets
- UC3845BVD1R2
DC DC Switching Controllers onsemi UC3845BVD1R2 Overview
The UC3845BVD1R2, a DC DC Switching Controller from onsemi, is engineered to manage boost or flyback topologies within various power conversion applications. This product ensures reliable and efficient control of switching operations in power supplies, featuring an 8SOIC package for compact integration. Its design focuses on enhancing system stability and performance while reducing external component count. The UC3845BVD1R2 is optimized for applications requiring precise power delivery and high efficiency, making it a vital component in advanced electronic systems.
UC3845BVD1R2 Features
The UC3845BVD1R2 includes several key features that enhance its functionality in power management systems:
- High-performance pulse width modulation (PWM) control
- Wide input voltage range, suitable for various supply voltages
- Integrated under-voltage lockout with hysteresis
- Low startup and operating current to enhance efficiency
- Programmable frequency up to 500 kHz allowing flexibility in design
- Direct drive capability of the output transistor for simplified circuit design
UC3845BVD1R2 Applications
- Power Supply Units: The UC3845BVD1R2 regulates voltage and current to ensure stable power supply in server racks and telecom infrastructure, maintaining system reliability under variable load conditions.
- LED Lighting Systems: Utilizes its PWM capabilities for efficient current management in LED drivers, ensuring consistent illumination and extending the lifespan of lighting systems.
- Battery Chargers: Controls charging processes in electric vehicles and consumer electronics, optimizing the charge rate and protecting battery health.
- Solar Power Inverters: Manages DC to AC conversion in solar installations, maximizing energy conversion efficiency and stability in fluctuating sunlight conditions.
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