UC3847DW
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- Mfr.Part #
- UC3847DW
- Manufacturer
- Unitrode
- Package / Case
- 16-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- UC3847 CURRENT MODE PWM CONTROLL
- Stock
- 1
- In Stock ：
- 1
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- Manufacturer :
- Unitrode
- Product Category :
- DC DC Switching Controllers
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Operating Temperature :
- 0°C~70°C TA
- Output Current :
- 500mA
- Length :
- 10.3mm
- Width :
- 7.5mm
- Base Part Number :
- UC3847
- Topology :
- Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
- Mounting Type :
- Surface Mount
- Synchronous Rectifier :
- yes
- Nominal Input Voltage :
- 15V
- Lead Free :
- Lead Free
- Voltage - Supply (Vcc/Vdd) :
- 6.95V~40V
- Rise Time :
- 50ns
- Input Voltage-Nom :
- 15V
- Output Voltage :
- 13.5V
- Weight :
- 473.692182mg
- Factory Lead Time :
- 6 Weeks
- Output Configuration :
- Positive
- Packaging :
- Tube
- Control Technique :
- PULSE WIDTH MODULATION
- Thickness :
- 2.35mm
- RoHS Status :
- ROHS3 Compliant
- Control Features :
- Current Limit, Enable, Frequency Control, Soft Start
- Frequency - Switching :
- 500kHz
- ECCN Code :
- EAR99
- Frequency :
- 450kHz
- Pbfree Code :
- yes
- Fall Time (Typ) :
- 50 ns
- Quiescent Current :
- 17mA
- Control Mode :
- CURRENT-MODE
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Number of Outputs :
- 2
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Number of Terminations :
- 16
- Surface Mount :
- yes
- Qualification Status :
- Not Qualified
- Output Phases :
- 1
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Duty Cycle :
- 50 %
- Max Duty Cycle :
- 50 %
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- JESD-609 Code :
- e4
- Output Type :
- Transistor Driver
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Number of Pins :
- 16
- Terminal Position :
- Dual
- Height :
- 2.65mm
- Function :
- Step-Up, Step-Up/Step-Down
- Terminal Form :
- Gull wing
- Peak Reflow Temperature (Cel) :
- 260
- Datasheets
- UC3847DW
DC DC Switching Controllers Unitrode UC3847DW Overview
The Unitrode UC3847DW represents a pinnacle in current mode PWM controller technology, designed to offer exceptional performance in a wide range of power conversion applications. This advanced controller integrates features tailored for efficient, reliable, and high-frequency operation in switching power supplies. As part of the DC DC Switching Controllers category, the UC3847DW provides enhanced control and stability, enabling designers to achieve compact and energy-efficient power supply designs. This product is especially suited for demanding environments where precise power delivery and robust operation are required, making it an ideal choice for B2B customers looking to purchase in bulk for high-performance systems.
UC3847DW Features
The UC3847DW offers several distinctive features that make it a robust solution for managing complex power systems. These include programmable output operation up to 500 kHz, a wide input voltage range, and built-in error amplifiers with a low start-up current feature. Additionally, it supports various protection mechanisms such as under-voltage lockout and current limiting, enhancing the reliability and safety of the application it controls.
UC3847DW Applications
- Server Power Supplies: Utilizes its high-frequency operation and current mode control to manage and stabilize voltage, ensuring reliable power delivery in server environments.
- Telecommunications Equipment: The UC3847DW's ability to handle fluctuating inputs and maintain consistent output makes it perfect for powering sensitive telecommunications infrastructure.
- Industrial Power Systems: Its robust design and protection features are ideal for the demanding conditions of industrial applications, providing reliable and efficient power control.
- Battery Chargers: Applies its precise control features to manage the charging process, ensuring efficiency and extending battery life in various devices.
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