UC3845DTRG4
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- Mfr.Part #
- UC3845DTRG4
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOP 14SOIC
- Stock
- 11,050
- In Stock ：
- 11,050
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- RoHS Status :
- ROHS3 Compliant
- Rise Time :
- 50ns
- Terminal Form :
- Gull wing
- Control Features :
- Frequency Control
- Supply Current-Max (Isup) :
- 25mA
- Control Mode :
- CURRENT-MODE
- Fall Time (Typ) :
- 50 ns
- Peak Reflow Temperature (Cel) :
- 260
- Packaging :
- Tape and Reel (TR)
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Length :
- 8.65mm
- Weight :
- 122.413241mg
- Function :
- Step-Up, Step-Down, Step-Up/Step-Down
- Thickness :
- 1.58mm
- Number of Terminations :
- 14
- Control Technique :
- PULSE WIDTH MODULATION
- Output Voltage :
- 13.5V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Switcher Configuration :
- Buck-Boost
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Number of Pins :
- 14
- ECCN Code :
- EAR99
- Output Current :
- 200mA
- Height :
- 1.75mm
- Terminal Position :
- Dual
- Lead Free :
- Lead Free
- JESD-609 Code :
- e4
- Nominal Input Voltage :
- 25V
- Width :
- 3.91mm
- Input Voltage-Nom :
- 15V
- Max Duty Cycle :
- 50 %
- Topology :
- Buck, Boost, Flyback, Forward Converter
- Factory Lead Time :
- 6 Weeks
- Number of Outputs :
- 1
- Synchronous Rectifier :
- No
- Duty Cycle (Max) :
- 48%
- Lifecycle Status :
- ACTIVE (Last Updated: 6 days ago)
- Pbfree Code :
- yes
- Mounting Type :
- Surface Mount
- Base Part Number :
- UC3845
- Frequency :
- 450kHz
- Output Type :
- Transistor Driver
- Frequency - Switching :
- 500kHz
- Operating Temperature :
- 0°C~70°C TA
- Surface Mount :
- yes
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Output Configuration :
- Positive, Isolation Capable
- Datasheets
- UC3845DTRG4
DC DC Switching Controllers Texas Instruments UC3845DTRG4 Overview
The Texas Instruments UC3845DTRG4 is a high-performance current mode PWM controller specifically designed for DC to DC switching converters. As part of the DC DC Switching Controllers category, this IC integrates a range of features to enhance the efficiency and stability of power supply systems. Its robust design and versatile functionalities make it ideal for demanding applications, offering engineers a reliable solution for managing and optimizing power conversion processes. The UC3845DTRG4 ensures improved system reliability with enhanced features such as under-voltage lockout, leading-edge blanking of the current sense, and an oscillator with precise frequency control. Utilizing the DC DC Switching Controllers Texas Instruments UC3845DTRG4 in your designs allows for superior performance and energy efficiency, promoting the sustainability of end-products.
UC3845DTRG4 Features
The UC3845DTRG4 is equipped with multiple features that ensure it meets the rigorous demands of modern electronic systems:
- High Current Totem Pole Output: Facilitates robust drive capability and efficiency.
- Automatic Feed Forward Compensation: Improves response to input voltage changes.
- Pulse-by-Pulse Current Limiting: Provides enhanced protection against short circuits and overloads.
- Oscillator with Adjustable Frequency: Allows precise control over switching frequency to match application requirements.
- Low Startup and Operating Current: Reduces power consumption, thereby increasing overall efficiency.
UC3845DTRG4 Applications
- Power Supplies for Telecommunications Equipment: The UC3845DTRG4 controls the power supply modules, ensuring stable and efficient operation even under fluctuating network loads.
- DC-DC Converters for Industrial Systems: This IC facilitates reliable power conversion for industrial automation systems, handling high input voltage ranges and delivering stable outputs.
- Battery Chargers: Utilized in advanced battery charging systems, the UC3845DTRG4 manages charging algorithms to maximize battery life and performance.
- Portable Devices: Its low power consumption and small form factor make it suitable for portable electronics, providing efficient power management.
- LED Lighting: Supports LED lighting solutions by providing constant current output, ensuring consistent illumination and extending LED lifespan.
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