UC3843BVD1R2
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- Mfr.Part #
- UC3843BVD1R2
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR FLYBACK 8SOIC
- Stock
- 97,681
- In Stock ：
- 97,681
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Switcher Configuration :
- Single
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Pbfree Code :
- yes
- Synchronous Rectifier :
- No
- Base Part Number :
- UC384*B
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- JESD-609 Code :
- e3
- REACH SVHC :
- No SVHC
- Number of Pins :
- 8
- Output Voltage :
- 5V
- Input Voltage-Nom :
- 15V
- Output Configuration :
- Positive
- Peak Reflow Temperature (Cel) :
- 260
- Height :
- 1.5mm
- Frequency - Switching :
- Up to 500kHz
- Halogen Free :
- Halogen Free
- Packaging :
- Tape and Reel (TR)
- Terminal Position :
- Dual
- Number of Outputs :
- 1
- Output Current :
- 200mA
- Number of Terminations :
- 8
- RoHS Status :
- ROHS3 Compliant
- Control Features :
- Frequency Control
- Terminal Finish :
- Tin (Sn)
- Mount :
- Surface Mount
- Mounting Type :
- Surface Mount
- Control Technique :
- PULSE WIDTH MODULATION
- Function :
- Step-Up, Step-Up/Step-Down
- Max Supply Current :
- 17mA
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Operating Temperature :
- -40°C~105°C TA
- Lead Free :
- Lead Free
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Factory Lead Time :
- 10 Weeks
- Nominal Input Voltage :
- 30V
- Rise Time :
- 50ns
- Max Power Dissipation :
- 702mW
- Fall Time (Typ) :
- 50 ns
- Terminal Form :
- Gull wing
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Published :
- 2010
- Control Mode :
- CURRENT-MODE
- Length :
- 5mm
- ECCN Code :
- EAR99
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Frequency :
- 500kHz
- Max Duty Cycle :
- 96 %
- Output Type :
- Transistor Driver
- Width :
- 4mm
- Topology :
- Boost, Flyback
- Datasheets
- UC3843BVD1R2
DC DC Switching Controllers onsemi UC3843BVD1R2 Overview
The onsemi UC3843BVD1R2 is a high-performance DC DC Switching Controller designed to manage flyback converters in a variety of applications. This IC is housed in an 8SOIC package, optimized for improved thermal management and reduced footprint on PCBs. The UC3843BVD1R2 stands out in the DC DC Switching Controllers category by offering precise control, efficiency, and reliability. This makes it particularly suitable for designing compact, energy-efficient power supplies while ensuring robust performance in demanding environments. Its ability to drive MOSFETs directly, coupled with advanced protection features, positions the UC3843BVD1R2 as a key component for developers looking to optimize their power management solutions.
UC3843BVD1R2 Features
The UC3843BVD1R2 incorporates several features that enhance its utility in power supply design, including a wide operating voltage range and adjustable output control. It supports a frequency range up to 500 kHz, allowing for smaller-sized components in the design of associated power supplies. The inclusion of current-mode operation enhances response times to load changes and reduces noise sensitivity, thereby stabilizing system performance. Furthermore, integrated under-voltage lockout with hysteresis, overcurrent protection, and thermal shutdown features safeguard the system from various operational hazards.
UC3843BVD1R2 Applications
- Power Supply Units: Utilized in the design of AC-DC and DC-DC power supplies where efficiency and reliability are critical. The UC3843BVD1R2 controls the switching of power transistors, optimizing power conversion for minimal loss and heat generation.
- LED Lighting Drivers: Enables precise control over LED lighting systems by regulating power supply, ensuring consistent illumination and extending the lifespan of lighting components.
- Chargers for Battery-Powered Devices: Serves in battery charger applications, providing stable and efficient power conversion necessary for charging laptops, smartphones, and other portable devices without overheating or overcharging risks.
- Telecommunications Equipment: Essential for powering telecom infrastructures, where it ensures reliable and continuous operation with its robust control features and protection mechanisms.
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