UC3843ADR2
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- Mfr.Part #
- UC3843ADR2
- Manufacturer
- onsemi
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BUCK 14SOIC
- Stock
- 23,224
- In Stock ：
- 23,224
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Output Current-Max :
- 1A
- Operating Supply Voltage :
- 30V
- Packaging :
- Tape and Reel (TR)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Mounting Type :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 240
- RoHS Status :
- Non-RoHS Compliant
- Number of Outputs :
- 1
- Control Features :
- Frequency Control
- Terminal Position :
- Dual
- Length :
- 8.65mm
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Switcher Configuration :
- Single
- Topology :
- Boost, Flyback
- Output Type :
- Transistor Driver
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Frequency - Switching :
- Up to 500kHz
- Frequency :
- 60kHz
- Lead Free :
- Contains Lead
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Terminations :
- 14
- ECCN Code :
- EAR99
- Number of Pins :
- 14
- Terminal Form :
- Gull wing
- Quiescent Current :
- 500μA
- Control Mode :
- CURRENT-MODE
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Input Voltage-Nom :
- 15V
- Duty Cycle (Max) :
- 96%
- Base Part Number :
- UC384*A
- JESD-609 Code :
- e0
- Synchronous Rectifier :
- No
- Input Voltage (Min) :
- 8.2V
- Output Configuration :
- Positive
- Surface Mount :
- yes
- Operating Temperature :
- 0°C~70°C TA
- Output Voltage :
- 5.1V
- Function :
- Step-Up, Step-Up/Step-Down
- Width :
- 3.9mm
- Published :
- 2005
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Voltage - Supply (Vcc/Vdd) :
- 8.4V~30V
- Datasheets
- UC3843ADR2
DC DC Switching Controllers onsemi UC3843ADR2 Overview
The onsemi UC3843ADR2 is a highly efficient DC DC Switching Controller, specifically engineered to address the demanding needs of high-performance power supply systems. This integrated circuit is optimized for buck converter applications, offering precision voltage regulation and a robust design suitable for a variety of challenging environments. With its ability to drive a 500 kHz switching frequency, the UC3843ADR2 provides a flexible solution for designers looking to improve power density and efficiency in their applications.
UC3843ADR2 Features
The UC3843ADR2 includes several key features that enhance its performance in power management tasks. Notably, it supports a wide operating voltage range, which is crucial for systems that experience fluctuations in power supply. Additionally, the device offers enhanced pulse-width modulation capabilities, which allow for precise control over power output. Its built-in error amplifier and under-voltage lockout ensure reliable and stable operation, even under adverse conditions.
UC3843ADR2 Applications
- Power Supplies: Utilized in both isolated and non-isolated configurations, the UC3843ADR2 improves efficiency and reliability in switching power supplies, making it an ideal choice for server and telecom infrastructures.
- Battery Chargers: Its precise control capabilities make it suitable for advanced battery charging systems, where efficiency and battery protection are paramount.
- LED Drivers: The device can be used in LED lighting solutions, providing consistent, flicker-free illumination and extending the life of lighting systems.
- Consumer Electronics: In applications such as power supplies for personal computers and TVs, the UC3843ADR2 helps in achieving high efficiency and low power consumption.
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