Manufacturer Part Number
UC2846DWTR
Manufacturer
Texas Instruments
Introduction
The UC2846DWTR is a high-performance, dual-output, current-mode PWM controller designed for use in high-frequency, off-line and DC-DC switching power supplies.
Product Features and Performance
Dual-output PWM controller
Operates over a wide input voltage range of 6.95V to 40V
Switching frequency up to 500kHz
Supports various topologies including boost, flyback, forward, full-bridge, half-bridge, and push-pull
Provides step-up and step-up/step-down functions
Includes current limiting, enable, frequency control, and soft-start features
Synchronizable to an external clock
Maximum duty cycle of 50%
Single-phase output
Product Advantages
Wide input voltage range
High-frequency operation
Supports multiple power supply topologies
Comprehensive control features
Synchronizable to external clock
Key Technical Parameters
Input voltage range: 6.95V to 40V
Switching frequency: Up to 500kHz
Maximum duty cycle: 50%
Number of outputs: 2
Output configuration: Positive
Synchronous rectifier: Yes
Topology support: Boost, flyback, forward, full-bridge, half-bridge, push-pull
Quality and Safety Features
RoHS3 compliant
Operating temperature range: -40°C to 85°C
Compatibility
Suitable for a variety of high-frequency, off-line and DC-DC switching power supply applications
Application Areas
Industrial power supplies
Telecommunications equipment
Computing and networking devices
Automotive electronics
Medical equipment
Product Lifecycle
The UC2846DWTR is an active product, and there are no current plans for discontinuation.
Replacement or upgrade options may be available from Texas Instruments, depending on the specific application requirements.
Several Key Reasons to Choose This Product
Wide input voltage range
High-frequency operation for compact power supply design
Versatile topology support
Comprehensive control features for enhanced system performance
Synchronization capability for multi-phase power supply designs
Reliable operation over a wide temperature range
RoHS3 compliance for environmental sustainability