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
- Voltage - Supply (Vcc/Vdd) :
- 8.4V~30V
- Frequency - Switching :
- Up to 500kHz
- Control Technique :
- PULSE WIDTH MODULATION
- Peak Reflow Temperature (Cel) :
- 240
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Topology :
- Boost, Flyback
- Length :
- 8.65mm
- Synchronous Rectifier :
- No
- Input Voltage-Nom :
- 15V
- Output Configuration :
- Positive
- Width :
- 3.9mm
- JESD-609 Code :
- e0
- Surface Mount :
- yes
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Packaging :
- Tape and Reel (TR)
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Number of Terminations :
- 14
- Function :
- Step-Up, Step-Up/Step-Down
- Output Current-Max :
- 1A
- Output Voltage :
- 5.1V
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Switcher Configuration :
- Single
- Output Type :
- Transistor Driver
- Base Part Number :
- UC384*A
- Input Voltage (Min) :
- 8.2V
- Operating Supply Voltage :
- 30V
- Control Mode :
- CURRENT-MODE
- Control Features :
- Frequency Control
- RoHS Status :
- Non-RoHS Compliant
- Mounting Type :
- Surface Mount
- Lead Free :
- Contains Lead
- Published :
- 2005
- ECCN Code :
- EAR99
- Duty Cycle (Max) :
- 96%
- Number of Outputs :
- 1
- Frequency :
- 60kHz
- Quiescent Current :
- 500μA
- Operating Temperature :
- 0°C~70°C TA
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Number of Pins :
- 14
- 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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