UC2845D8TR
- Mfr.Part #
- UC2845D8TR
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR MULT TOPOLOGY 8SOIC
- Stock
- 738
- In Stock :
- 738
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- Manufacturer :
- Texas Instruments
- Product Category :
- DC DC Switching Controllers
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Switcher Configuration :
- Buck-Boost
- Input Voltage-Nom :
- 15V
- Nominal Input Voltage :
- 25V
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Fall Time (Typ) :
- 50 ns
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Duty Cycle (Max) :
- 48%
- Height :
- 1.75mm
- Operating Temperature :
- -40°C~85°C TA
- Length :
- 4.9mm
- Rise Time :
- 50ns
- Control Technique :
- PULSE WIDTH MODULATION
- Base Part Number :
- UC2845
- Control Features :
- Frequency Control
- RoHS Status :
- ROHS3 Compliant
- Factory Lead Time :
- 6 Weeks
- Control Mode :
- CURRENT-MODE
- Max Duty Cycle :
- 50 %
- Synchronous Rectifier :
- No
- Lead Free :
- Lead Free
- Voltage - Supply (Vcc/Vdd) :
- 12V~28V
- Surface Mount :
- yes
- Output Voltage :
- 13.5V
- Number of Pins :
- 8
- Terminal Form :
- Gull wing
- Weight :
- 72.603129mg
- Function :
- Step-Up, Step-Up/Step-Down
- Mounting Type :
- Surface Mount
- ECCN Code :
- EAR99
- Peak Reflow Temperature (Cel) :
- 260
- Number of Outputs :
- 1
- Output Type :
- Transistor Driver
- Width :
- 3.91mm
- Frequency :
- 450kHz
- Terminal Position :
- Dual
- Frequency - Switching :
- 500kHz
- Pbfree Code :
- yes
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- JESD-609 Code :
- e4
- Number of Terminations :
- 8
- Output Current :
- 200mA
- Output Configuration :
- Positive, Isolation Capable
- Packaging :
- Tape and Reel (TR)
- Topology :
- Boost, Flyback, Forward Converter
- Supply Current-Max (Isup) :
- 25mA
- Thickness :
- 1.58mm
- Datasheets
- UC2845D8TR

DC DC Switching Controllers Texas Instruments UC2845D8TR Overview
The UC2845D8TR by Texas Instruments stands as a premier solution in the realm of DC DC Switching Controllers, offering advanced control features for a variety of power conversion topologies. This integrated circuit is designed to handle multiple topologies effectively, making it an indispensable tool for developers seeking flexibility and reliability in their power supply designs. The UC2845D8TR enhances system performance through its precise duty cycle control, integrated oscillator, and high-current output drive capability. Engineered to boost efficiency and reduce operational complexity, this controller simplifies the implementation of switching power supplies in high-demand applications.
UC2845D8TR Features
- Multiple topology support including Boost, Flyback, and Forward converters
- High-current totem pole output for directly driving a power MOSFET
- Wide operating frequency range up to 500 kHz
- Programmable soft-start function to reduce inrush current
- Under-voltage lockout with hysteresis for enhanced system reliability
- Pulse-by-pulse current limiting for improved protection
UC2845D8TR Applications
- Switching Power Supplies: Utilizes its adaptable control methodology to optimize power efficiency and reliability in converting power.
- DC-DC Converters: Drives various converter topologies effectively, ensuring stable voltage and power supply in systems.
- Battery Chargers: Integrates features that help manage the charging cycle, enhancing battery efficiency and lifespan.
- LED Lighting: Provides precise current control needed to drive LED arrays, ensuring consistent light output and energy efficiency.
- Telecommunication Equipment: Supports the power requirements of telecom infrastructures with high efficiency and reliability.
- Consumer Electronics: Ideal for use in home electronics where power efficiency and compact design are critical.
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