Manufacturer Part Number
TL3845BD
Manufacturer
Texas Instruments
Introduction
The TL3845BD is a fixed frequency pulse width modulation control circuit designed primarily for power supply control.
Product Features and Performance
Fixed frequency PWM control
Step-Up, Step-Up/Step-Down voltage regulation
Suitable for Boost, Flyback, Forward Converter topologies
Single output transistor driver
Product Advantages
High versatility with positive output configuration
Support wide range of supply voltages: 7.6V to 30V
Up to 48% duty cycle for efficient control
Designed for ease of implementation
Key Technical Parameters
Voltage - Supply (Vcc/Vdd): 7.6V ~ 30V
Frequency - Switching: 100kHz
Duty Cycle (Max): 48%
Topology: Boost, Flyback, Forward Converter
Number of Outputs: 1
Output Phases: 1
Operating Temperature: 0°C ~ 70°C (TA)
Mounting Type: Surface Mount
Quality and Safety Features
Stable operation within specified temperature ranges
Compliance with industry safety and quality standards
Compatibility
Compatible with a wide range of power management applications
Mounting Type compatible with Surface Mount Technology (SMT)
Application Areas
Power supplies
DC-DC converters
Battery chargers
Automotive systems
Telecommunication equipment
Product Lifecycle
Last Time Buy – the product is nearing discontinuation
Potential for replacement or upgrade options available
Several Key Reasons to Choose This Product
Robust power management with fixed frequency control
Adaptable to multiple topologies and applications
Highly efficient with up to 48% max duty cycle
Support for a wide input voltage range
Reliability from a reputable manufacturer such as Texas Instruments
Availability for final purchases before discontinuation