UC3844AD1
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- Mfr.Part #
- UC3844AD1
- Manufacturer
- STMicroelectronics
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BST FLYBK ISO 8SOIC
- Stock
- 2,755
- In Stock ：
- 2,755
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- Output Configuration :
- Positive
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Number of Terminations :
- 8
- Mount :
- Surface Mount
- Input Voltage-Nom :
- 15V
- Topology :
- Boost, Flyback
- Terminal Finish :
- TIN LEAD
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Control Technique :
- PULSE WIDTH MODULATION
- Output Current-Max :
- 1A
- Base Part Number :
- UC3844
- Terminal Position :
- Dual
- Length :
- 4.9mm
- Control Mode :
- CURRENT-MODE
- Frequency :
- 250kHz
- Voltage - Supply (Vcc/Vdd) :
- 10V~30V
- Number of Outputs :
- 1
- Operating Temperature :
- -40°C~150°C TJ
- Number of Pins :
- 8
- JESD-609 Code :
- e0
- Function :
- Step-Up, Step-Up/Step-Down
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Width :
- 3.9mm
- Switcher Configuration :
- Single
- RoHS Status :
- Non-RoHS Compliant
- Frequency - Switching :
- Up to 500kHz
- Input Voltage (Max) :
- 30V
- Synchronous Rectifier :
- No
- Packaging :
- Tube
- Output Type :
- Transistor Driver
- ECCN Code :
- EAR99
- Control Features :
- Frequency Control
- Mounting Type :
- Surface Mount
- Duty Cycle (Max) :
- 48%
- Terminal Form :
- Gull wing
- Datasheets
- UC3844AD1
DC DC Switching Controllers STMicroelectronics UC3844AD1 Overview
The UC3844AD1 from STMicroelectronics is a sophisticated DC DC Switching Controller designed for high-performance power conversion applications. This integrated circuit specializes in controlling boost and flyback topologies with an isolated or non-isolated framework. Its robust design is tailored to optimize power efficiency and reliability in various demanding applications. The DC DC Switching Controllers STMicroelectronics UC3844AD1 integrates advanced features like under-voltage lockout, leading-edge blanking of the current sense, and an internally trimmed oscillator, making it a key component in enhancing system performance and stability.
UC3844AD1 Features
The UC3844AD1 boasts several notable features that make it an exceptional choice for power management tasks. Key features include a programmable switching frequency up to 500 kHz, a low start-up current of 1 mA, and enhanced line regulation performance. Additionally, the controller supports high current totem pole output, which is suitable for driving a power MOSFET. Its ability to operate over a wide voltage range enhances its versatility in various electronic applications.
UC3844AD1 Applications
- Power Supplies: Utilized in both isolated and non-isolated configurations, the UC3844AD1 enhances the reliability and efficiency of switch-mode power supplies.
- LED Drivers: Drives LED lighting systems requiring efficient, controlled power management to extend the lifespan and luminance of the LEDs.
- Battery Chargers: Applied in charging systems for efficient battery management, ensuring fast and safe charging cycles.
- Telecommunications Equipment: Critical in telecom power systems where stable and reliable power control is necessary to maintain system integrity.
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