Manufacturer Part Number
TL494IDRG4
Manufacturer
Texas Instruments
Introduction
The TL494IDRG4 from Texas Instruments is a versatile PWM (Pulse Width Modulation) control circuit integrated into a 16-SOIC package, designed primarily for power supply control.
Product Features and Performance
Implements Pulse Width Modulation (PWM) control strategy.
Provides options for Step-Up, Step-Down, and Step-Up/Step-Down voltage regulation.
Supports a variety of topologies including Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, and Push-Pull.
Dual output control for effective power management.
Operates across a wide voltage supply range (7V ~ 40V).
Adjustable frequency switching from 1kHz to 300kHz.
Maximum duty cycle of up to 45%.
Integrates features like Dead Time Control and Frequency Control for improved efficiency and response.
Designed to work within a broad operating temperature range of -40°C to 85°C.
Product Advantages
Versatility in controlling both step-up and step-down voltage requirements.
Compatible with multiple converter topologies.
High flexibility in frequency adjustment to suit different application needs.
Enhanced power efficiency and thermal performance due to integrated control features.
Dual output capability for simplified power supply design.
Key Technical Parameters
Voltage Supply (Vcc/Vdd): 7V ~ 40V
Frequency Switching: 1kHz ~ 300kHz
Duty Cycle (Max): 45%
Output Phases: 1
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Operates reliably across a wide range of temperatures.
Surface Mount technology for robust and compact board design.
Compatibility
Compatible with various DC-DC converter topologies.
Suitable for surface mount technology (SMT) assembly processes.
Application Areas
Power supplies for computers and office equipment.
DC-DC converters in telecommunications hardware.
Battery-operated devices requiring efficient power management.
Industrial control systems requiring adjustable power supply solutions.
Product Lifecycle
Discontinued at Digi-Key, signaling a phase-out in the product lifecycle.
Users should seek information on replacements or upgrades through Texas Instruments' support channels.
Several Key Reasons to Choose This Product
High versatility for use in multiple power converter topologies.
Wide voltage supply range accommodating various power sources.
Adjustable switching frequency for customized applications.
Provides efficient control with Dead Time and Frequency Control features.
Suitable for a variety of applications from consumer electronics to industrial systems.
TL494G-S16-RUTC
TL494JBTexas Instruments