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
- Mounting Type :
- Surface Mount
- Output Type :
- Transistor Driver
- Function :
- Step-Up, Step-Up/Step-Down
- Output Current :
- 1A
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Fall Time (Typ) :
- 50 ns
- JESD-609 Code :
- e0
- Control Technique :
- PULSE WIDTH MODULATION
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Frequency - Switching :
- Up to 500kHz
- Number of Pins :
- 8
- Control Features :
- Frequency Control
- Length :
- 4.9mm
- Number of Outputs :
- 1
- Switcher Configuration :
- Single
- Operating Temperature :
- -40°C~150°C TJ
- Topology :
- Boost, Flyback
- Terminal Position :
- Dual
- ECCN Code :
- EAR99
- Control Mode :
- CURRENT-MODE
- Mount :
- Surface Mount
- RoHS Status :
- Non-RoHS Compliant
- Input Voltage-Nom :
- 15V
- Lead Free :
- Contains Lead
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Duty Cycle (Max) :
- 96%
- Input Voltage (Max) :
- 30V
- Packaging :
- Tube
- Number of Terminations :
- 8
- Rise Time :
- 50ns
- Synchronous Rectifier :
- No
- Frequency :
- 500kHz
- Terminal Form :
- Gull wing
- Width :
- 3.9mm
- Max Duty Cycle :
- 100 %
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Output Configuration :
- Positive
- Base Part Number :
- UC3843
- Quiescent Current :
- 12mA
- Terminal Finish :
- TIN LEAD
- 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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