UCC2800DTR

Product Overview

Category

UCC2800DTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

• UCC2800DTR is a high-performance, low-power current mode PWM controller.
• It operates at a voltage range of 4.5V to 12V.
• The device offers excellent precision and stability over a wide temperature range.
• It provides protection features such as cycle-by-cycle current limiting and thermal shutdown.

Package

UCC2800DTR is available in a small outline package (SOT-23) with three pins.

Essence

The essence of UCC2800DTR lies in its ability to regulate and control power in various electronic systems efficiently.

Packaging/Quantity

UCC2800DTR is typically packaged in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 12V
• Operating Temperature Range: -40°C to +85°C
• Output Current: Up to 1A
• Oscillator Frequency Range: 100kHz to 1MHz
• Duty Cycle Range: 0% to 100%
• Maximum Duty Cycle Limit: 90%

Detailed Pin Configuration

UCC2800DTR has three pins:

1. VIN - Input voltage pin.
2. GND - Ground pin.
3. VOUT - Output voltage pin.

Functional Features

• Current mode PWM control for precise regulation.
• Adjustable oscillator frequency for flexibility.
• Soft-start function for controlled startup.
• Cycle-by-cycle current limiting for protection against overcurrent conditions.
• Thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages

• High precision and stability.
• Wide operating temperature range.
• Efficient power management.
• Protection features ensure system safety.

Disadvantages

• Limited output current capacity.
• Requires external components for complete functionality.

Working Principles

UCC2800DTR operates based on the current mode PWM control technique. It compares the feedback voltage with a reference voltage to generate a control signal that adjusts the duty cycle of the PWM waveform. This control signal regulates the power delivered to the load, ensuring stable and efficient operation.

Detailed Application Field Plans

UCC2800DTR finds applications in various fields, including:

1. Power supplies for consumer electronics.
2. Battery chargers.
3. LED lighting systems.
4. Motor control circuits.
5. Industrial automation systems.

Detailed and Complete Alternative Models

Some alternative models to UCC2800DTR are:

1. UC3842 - Current Mode PWM Controller
2. TL494 - Pulse Width Modulation Control Circuit
3. SG3525 - Voltage Mode PWM Controller
4. LT1241 - High-Speed Current Mode PWM Controller
5. MC34063A - DC-DC Converter Control Circuit

These alternative models offer similar functionalities and can be used as substitutes depending on specific requirements.

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