Professional IC Distribution & Technical Solutions

The UC2838N is a high-performance switching regulator controller manufactured by UNITRODE (now part of Texas Instruments). Below are the factual specifications, descriptions, and features of the UC2838N:

Specifications:

• Manufacturer: UNITRODE (now Texas Instruments)
• Type: Switching Regulator Controller
• Topology: Supports buck, boost, flyback, and forward converter designs
• Operating Voltage Range: 4.5V to 40V
• Output Drive Current: Up to 1A (peak)
• Switching Frequency: Adjustable up to 500kHz
• Duty Cycle Range: 0% to 100%
• Error Amplifier Bandwidth: 3MHz
• Operating Temperature Range: -40°C to +85°C
• Package: 16-Pin DIP (Dual In-Line Package)

Descriptions:

The UC2838N is a versatile PWM (Pulse Width Modulation) controller designed for high-efficiency DC-DC power supply applications. It features a high-speed error amplifier, adjustable oscillator frequency, and robust output drivers capable of driving power MOSFETs or bipolar transistors.

Features:

• Wide Input Voltage Range (4.5V–40V)
• High-Current Totem-Pole Output (1A Peak)
• Programmable Soft-Start Function
• Precision Reference Voltage (5V ±1%)
• Current Limiting and Shutdown Protection
• Synchronizable Oscillator for Multi-Phase Operation
• Undervoltage Lockout (UVLO) Protection
• Low Standby Current Consumption

This information is based on UNITRODE's original datasheet for the UC2838N. For detailed application notes or circuit examples, consult the official documentation.