UC3843AD1
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- Mfr.Part #
- UC3843AD1
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BOOST/FLYBACK 8SOIC
- Stock
- 5,323
- In Stock ：
- 5,323
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- Packaging :
- Tube
- Base Part Number :
- UC3843
- JESD-609 Code :
- e0
- Output Configuration :
- Positive
- RoHS Status :
- Non-RoHS Compliant
- Switcher Configuration :
- Single
- Fall Time (Typ) :
- 50 ns
- Length :
- 4.9mm
- Frequency - Switching :
- Up to 500kHz
- Number of Pins :
- 8
- Max Duty Cycle :
- 100 %
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Output Type :
- Transistor Driver
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Technique :
- PULSE WIDTH MODULATION
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Control Features :
- Frequency Control
- Topology :
- Boost, Flyback
- ECCN Code :
- EAR99
- Lead Free :
- Contains Lead
- Quiescent Current :
- 12mA
- Input Voltage-Nom :
- 15V
- Rise Time :
- 50ns
- Control Mode :
- CURRENT-MODE
- Number of Outputs :
- 1
- Function :
- Step-Up, Step-Up/Step-Down
- Output Current :
- 1A
- Terminal Finish :
- TIN LEAD
- Duty Cycle (Max) :
- 96%
- Synchronous Rectifier :
- No
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Mount :
- Surface Mount
- Frequency :
- 500kHz
- Operating Temperature :
- -40°C~150°C TJ
- Number of Terminations :
- 8
- Width :
- 3.9mm
- Input Voltage (Max) :
- 30V
- Mounting Type :
- Surface Mount
- Datasheets
- UC3843AD1
DC DC Switching Controllers STMicroelectronics UC3843AD1 Overview
The UC3843AD1 from STMicroelectronics is a highly efficient DC DC switching controller designed for managing boost or flyback converters. This IC is tailored for advanced power management tasks and stands out due to its robust performance in converting low voltage to high voltage or vice versa efficiently. The UC3843AD1 is equipped with features that ensure stable operation under varying load and input conditions, making it an ideal choice for applications requiring reliable power management solutions. The integration of this controller in your systems ensures optimized power consumption and enhanced reliability, driving demand among B2B clients looking for bulk purchasing of effective power solutions.
UC3843AD1 Features
- Operating frequency up to 500 kHz
- Low startup current of 0.5 mA
- High efficiency through pulse-width modulation (PWM) control
- Current-mode operation for improved transient response
- Under-voltage lockout with hysteresis
- Programmable soft-start function
- Trimmed oscillator discharge current for precise duty cycle control
UC3843AD1 Applications
- Power Supplies: Utilized in both industrial and consumer power supplies for reliable voltage conversion and management.
- LED Lighting: Drives LED lighting systems by providing stable power control, enhancing longevity and efficiency.
- Battery Chargers: Used in battery charging systems to optimize the power management and increase the charging efficiency.
- Telecommunication Equipment: Ensures stable operation and power efficiency in telecom infrastructures.
- Portable Devices: Ideal for portable device applications due to its low power consumption and high efficiency.
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