Manufacturer Part Number
TL2843BDR-8
Manufacturer
Texas Instruments
Introduction
The TL2843BDR-8 is a versatile DC-DC switching controller from Texas Instruments, designed for power management applications that require step-up or step-up/step-down voltage regulation. It is packaged in Tape & Reel for efficient assembly in high-volume production.
Product Features and Performance
Supports Boost, Flyback, and Forward topology
Single output transistor driver
Output configuration is positive
Capable of switching frequencies up to 500 kHz
Maximum duty cycle of 96%
Features frequency control for stable operation
Product Advantages
Versatile voltage regulation capabilities for diverse applications
High-frequency switching enables compact power supply designs
High duty cycle maximizes power efficiency
Surface mount package facilitates streamlined PCB design
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Up, Step-Up/Step-Down
Voltage Supply (Vcc/Vdd): 7.6V ~ 30V
Frequency Switching: Up to 500kHz
Duty Cycle (Max): 96%
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Operates effectively within a wide temperature range for enhanced reliability
Robust SOIC-8 package ensures solid solderability and thermal stability
Compatibility
Compatible with various circuit designs due to its flexible power supply voltage and topology options
Application Areas
Power supplies for telecommunications
Distributed power systems
Portable devices
Industrial controls
Product Lifecycle
Currently in active production
Not nearing discontinuation
Replacement and upgrade options are available within Texas Instruments' portfolio
Several Key Reasons to Choose This Product
Efficiently handles a wide input voltage range of 7.6V to 30V
High 96% duty cycle for energy-efficient performance
Supports multiple topologies for application flexibility
Suited for harsh temperature environments ranging from -40°C to 85°C
Delivered in Tape & Reel packaging ideal for high-volume manufacturing setups
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