UC3842BVD1
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- Mfr.Part #
- UC3842BVD1
- Manufacturer
- onsemi
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BST FLYBK ISO 8SOIC
- Stock
- 8,815
- In Stock ：
- 8,815
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Terminal Position :
- Dual
- Peak Reflow Temperature (Cel) :
- 260
- Terminal Finish :
- Tin (Sn)
- Output Current :
- 1A
- Terminal Form :
- Gull wing
- Published :
- 2007
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Width :
- 3.9mm
- Frequency :
- 500kHz
- Output Type :
- Transistor Driver
- Factory Lead Time :
- 5 Weeks
- Mounting Type :
- Surface Mount
- Number of Pins :
- 8
- Control Features :
- Frequency Control
- Number of Terminations :
- 8
- Number of Outputs :
- 1
- Rise Time :
- 50ns
- Switcher Configuration :
- Single
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- ECCN Code :
- EAR99
- Fall Time (Typ) :
- 50 ns
- Input Voltage-Nom :
- 15V
- Lead Free :
- Lead Free
- Packaging :
- Tape and Reel (TR)
- Control Technique :
- PULSE WIDTH MODULATION
- Pbfree Code :
- yes
- Length :
- 4.9mm
- Output Voltage :
- 5V
- Frequency - Switching :
- Up to 500kHz
- Base Part Number :
- UC384*B
- Halogen Free :
- Halogen Free
- Mount :
- Surface Mount
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Synchronous Rectifier :
- No
- RoHS Status :
- ROHS3 Compliant
- Output Configuration :
- Positive
- Topology :
- Boost, Flyback
- Operating Temperature :
- -40°C~105°C TA
- Max Duty Cycle :
- 96 %
- Control Mode :
- CURRENT-MODE
- Function :
- Step-Up, Step-Up/Step-Down
- JESD-609 Code :
- e3
- Datasheets
- UC3842BVD1
DC DC Switching Controllers onsemi UC3842BVD1 Overview
The onsemi UC3842BVD1 is a highly efficient, robust DC DC Switching Controller designed to meet the demanding requirements of modern power supply applications. This controller integrates innovative features to facilitate the development of isolated and non-isolated power systems. It is specifically tailored for applications requiring efficient boost or flyback topologies, ensuring reliable performance in a compact 8SOIC package. The UC3842BVD1 stands out in the industry for its adaptability and efficiency, making it an ideal choice for designers looking to optimize their power solutions while maintaining regulatory compliance and operational integrity.
UC3842BVD1 Features
The UC3842BVD1 boasts several advanced features that enhance its performance in various applications. These include programmable switching frequencies up to 500 kHz, which allow for flexibility in design and optimization of transformer sizes. It also features a low startup current of under 1mA and a high efficiency rating, which is crucial for reducing power loss. Additionally, the device offers enhanced line and load regulation, integrated under-voltage lockout with hysteresis, over-temperature protection, and a leading-edge blanking on the current sense input.
UC3842BVD1 Applications
- Power Supplies: The UC3842BVD1 is utilized in creating both isolated and non-isolated power supplies, optimizing efficiency and performance in scenarios where space and power conservation are critical.
- LED Drivers: Suitable for driving LEDs, this controller provides stable current control, ensuring consistent brightness and enhancing the lifespan of the LEDs in various lighting applications.
- Battery Chargers: Employed in battery charging circuits, the UC3842BVD1 manages the flow of power to maximize charging efficiency and prolong battery life, crucial for portable and backup devices.
- Telecommunication Equipment: In telecommunication systems, this controller helps in managing power distribution to ensure reliable operation and maintain system integrity under varying load conditions.
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