UC3847DW
- 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
- Topology :
- Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
- Fall Time (Typ) :
- 50 ns
- Output Current :
- 500mA
- Pbfree Code :
- yes
- Frequency - Switching :
- 500kHz
- ECCN Code :
- EAR99
- Surface Mount :
- yes
- Number of Pins :
- 16
- Peak Reflow Temperature (Cel) :
- 260
- Operating Temperature :
- 0°C~70°C TA
- Max Duty Cycle :
- 50 %
- Duty Cycle :
- 50 %
- Package / Case :
- 16-SOIC (0.295, 7.50mm Width)
- Nominal Input Voltage :
- 15V
- JESD-609 Code :
- e4
- Width :
- 7.5mm
- Base Part Number :
- UC3847
- Function :
- Step-Up, Step-Up/Step-Down
- Control Features :
- Current Limit, Enable, Frequency Control, Soft Start
- Control Mode :
- CURRENT-MODE
- Rise Time :
- 50ns
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Synchronous Rectifier :
- yes
- Terminal Form :
- Gull wing
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Output Type :
- Transistor Driver
- Control Technique :
- PULSE WIDTH MODULATION
- Output Configuration :
- Positive
- Voltage - Supply (Vcc/Vdd) :
- 6.95V~40V
- Mounting Type :
- Surface Mount
- Lifecycle Status :
- ACTIVE (Last Updated: 2 days ago)
- Thickness :
- 2.35mm
- Number of Outputs :
- 2
- Lead Free :
- Lead Free
- RoHS Status :
- ROHS3 Compliant
- Length :
- 10.3mm
- Output Voltage :
- 13.5V
- Weight :
- 473.692182mg
- Packaging :
- Tube
- Qualification Status :
- Not Qualified
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Number of Terminations :
- 16
- Quiescent Current :
- 17mA
- Factory Lead Time :
- 6 Weeks
- Input Voltage-Nom :
- 15V
- Output Phases :
- 1
- Terminal Position :
- Dual
- Frequency :
- 450kHz
- Height :
- 2.65mm
- 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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