UC3844BDG
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- Mfr.Part #
- UC3844BDG
- Manufacturer
- onsemi
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR PWM CM 14-SOIC
- Stock
- 6,017
- In Stock ：
- 6,017
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- Manufacturer :
- onsemi
- Product Category :
- DC DC Switching Controllers
- Length :
- 8.75mm
- Rise Time :
- 50ns
- Frequency - Switching :
- Up to 500kHz
- Factory Lead Time :
- 2 Weeks
- Max Duty Cycle :
- 48 %
- Power Dissipation :
- 862mW
- Output Configuration :
- Positive
- Peak Reflow Temperature (Cel) :
- 260
- Mount :
- Surface Mount
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Terminal Position :
- Dual
- Pbfree Code :
- yes
- Fall Time (Typ) :
- 50 ns
- REACH SVHC :
- No SVHC
- Output Type :
- Transistor Driver
- Control Technique :
- PULSE WIDTH MODULATION
- Number of Pins :
- 14
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- JESD-609 Code :
- e3
- Lead Free :
- Lead Free
- Topology :
- Boost, Flyback
- Packaging :
- Tube
- RoHS Status :
- ROHS3 Compliant
- Terminal Form :
- Gull wing
- Terminal Finish :
- Tin (Sn)
- Base Part Number :
- UC384*B
- Control Features :
- Frequency Control
- Output Voltage :
- 13.5V
- Synchronous Rectifier :
- No
- Lifecycle Status :
- ACTIVE (Last Updated: 5 days ago)
- Published :
- 2008
- Output Current :
- 200mA
- Input Voltage-Nom :
- 15V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Terminations :
- 14
- Width :
- 4mm
- Function :
- Step-Up, Step-Up/Step-Down
- Mounting Type :
- Surface Mount
- Frequency :
- 52kHz
- ECCN Code :
- EAR99
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Operating Temperature :
- 0°C~70°C TA
- Voltage - Supply (Vcc/Vdd) :
- 10V~36V
- Input Voltage (Max) :
- 25V
- Number of Outputs :
- 1
- Control Mode :
- CURRENT-MODE
- Max Supply Current :
- 17mA
- Halogen Free :
- Halogen Free
- Height :
- 1.5mm
- Switcher Configuration :
- Single
- Datasheets
- UC3844BDG
DC DC Switching Controllers onsemi UC3844BDG Overview
The onsemi UC3844BDG is a highly efficient and robust PWM controller IC designed for high-performance DC to DC switching applications. This controller integrates advanced features to enhance system reliability and efficiency, making it an ideal choice for a wide range of power supply designs. The UC3844BDG operates at a fixed frequency, facilitating the design of stable and predictable power supplies while minimizing external component count. Its versatility and performance make it an essential component for designers looking to optimize their power management systems.
UC3844BDG Features
The UC3844BDG boasts several key features that distinguish it from other PWM controllers. These include a wide operating voltage range, enhanced line and load regulation through peak current mode control, and a built-in oscillator with a fixed frequency of 500 kHz, which simplifies the design process and improves response times. Additionally, it includes under-voltage lockout for battery protection, programmable soft start to reduce stress on the power supply during startup, and current sense circuitry for improved safety and efficiency.
UC3844BDG Applications
- Power Supplies for Consumer Electronics: Utilized in the development of stable and efficient power supplies for devices such as TVs, computers, and gaming consoles, ensuring reliable performance and enhanced power management.
- Telecommunication Equipment: Helps in designing power solutions that require high efficiency and compact size, crucial for routers, switches, and other networking devices.
- Industrial Systems: Applied in the control systems for industrial machinery, offering robust power regulation and contributing to overall system reliability and performance.
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