UCC3813DTR-5 - Texas Instruments

Manufacturer Part Number

UCC3813DTR-5

Manufacturer

Texas Instruments

Introduction

Low-Voltage Economy BiCMOS Current Mode PWM Controller

Product Features and Performance

Current mode control

PWM operation up to 1MHz

1A peak current totem pole output

Logic level shutdown capability

Latching PWM for cycle-by-cycle current limiting

Internally trimmed reference with an undervoltage lockout

High current totem pole output for driving a power MOSFET

Soft start

Product Advantages

Precise high-frequency operation

High-efficiency power conversion

Reduced system cost with fewer external components

Built-in error correction for better reliability

Key Technical Parameters

Supply Voltage: 3.6V ~ 12V

Switching Frequency: 31kHz

Maximum Duty Cycle: 49%

Output Configuration: Positive

Topology: Boost, Flyback, Forward Converter

Number of Outputs: 1

Output Phases: 1

Quality and Safety Features

Internal over-temperature protection

Overcurrent limiting

Undervoltage lockout with hysteresis

Thermal shutdown

Industry-standard 8-SOIC package

Compatibility

Surface Mount compatible

Suitable for use with various MOSFETs

Application Areas

Distributed power systems

DSL and cable modems

Portable electronics

Power supplies

Product Lifecycle

Active product

In production with long term availability

Several Key Reasons to Choose This Product

Low operating voltage suitable for battery-operated devices

Versatile topologies for multiple design requirements

Built-in protection features mitigate system failure

Proven reliability from a renowned manufacturer

Economically priced for budget-conscious designs

Optimal for compact low-power applications

Easy integration with standard SOIC-8 footprint