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The UCC3806N is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

Specifications:

• Input Voltage Range (VCC): 10V to 20V
• Operating Frequency: Up to 1MHz
• Output Drive Current: ±1.5A (peak)
• Duty Cycle Range: 0% to 100%
• Start-Up Current: 150µA (typical)
• Quiescent Current: 3mA (typical)
• Error Amplifier Bandwidth: 5MHz
• Propagation Delay: 50ns (typical)
• Operating Temperature Range: -40°C to +85°C
• Package: 8-Pin PDIP (Plastic Dual In-Line Package)

Descriptions:

The UCC3806N is a current-mode PWM controller optimized for high-frequency power supply applications. It provides precise control for DC-DC converters, featuring fast response and high efficiency. The device includes an integrated error amplifier, oscillator, current sensing comparator, and totem-pole output driver.

Features:

• Current-Mode Control: Enhances loop response and simplifies compensation.
• Programmable Oscillator: Allows flexible frequency adjustment.
• Soft-Start Function: Reduces inrush current during startup.
• Under-Voltage Lockout (UVLO): Ensures proper operation within the specified voltage range.
• High-Speed Output Driver: Supports fast switching for MOSFETs.
• Low Start-Up Current: Enables efficient operation in standby modes.
• Wide Duty Cycle Range: Suitable for various converter topologies.

This information is based on TI's official datasheet for the UCC3806N.