UCC2807D-2G4

Product Overview

Category

UCC2807D-2G4 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various power supply systems, including switch-mode power supplies (SMPS), battery chargers, and LED drivers.

Characteristics

• High efficiency: UCC2807D-2G4 offers excellent power conversion efficiency, reducing energy losses.
• Wide input voltage range: It can operate with a wide range of input voltages, making it suitable for different power supply applications.
• Fast response time: The IC provides quick response to changes in load conditions, ensuring stable and reliable power delivery.
• Protection features: UCC2807D-2G4 incorporates built-in protection mechanisms such as overvoltage and overcurrent protection, enhancing system safety.

Package

UCC2807D-2G4 is available in a small outline integrated circuit (SOIC) package. This package type ensures easy integration into various circuit designs.

Essence

The essence of UCC2807D-2G4 lies in its ability to efficiently regulate and control power flow in different applications, enabling optimal performance and energy savings.

Packaging/Quantity

UCC2807D-2G4 is typically supplied in reels or tubes, with a standard quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 8V to 30V
• Output Voltage Range: 0V to 5V
• Maximum Output Current: 1A
• Switching Frequency: 100kHz to 1MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

UCC2807D-2G4 has a total of 8 pins, each serving a specific function:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. COMP: Compensation pin for feedback control loop.
4. FB: Feedback pin for voltage regulation.
5. CS: Current sense pin for current regulation.
6. RT/CT: Timing components connection pins.
7. OUT: Output pin for regulated power delivery.
8. SYNC: Synchronization pin for external clock input.

Functional Features

• Voltage and current regulation: UCC2807D-2G4 ensures precise regulation of output voltage and current, maintaining stable power supply conditions.
• Soft-start functionality: The IC incorporates a soft-start feature to gradually ramp up the output voltage, preventing excessive inrush currents.
• Frequency modulation: It allows frequency modulation to optimize efficiency and reduce electromagnetic interference (EMI).
• Protection mechanisms: UCC2807D-2G4 includes various protection features such as overvoltage, overcurrent, and thermal shutdown, safeguarding the system from potential damage.

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings.
• Wide input voltage range enables versatile applications.
• Fast response time ensures stable power delivery.
• Built-in protection mechanisms enhance system safety.

Disadvantages

• Limited maximum output current may restrict certain high-power applications.
• Requires external timing components for operation.

Working Principles

UCC2807D-2G4 operates based on the principle of pulse width modulation (PWM). It generates a series of pulses with varying widths to regulate the output voltage or current. By adjusting the pulse width, the IC controls the amount of power delivered to the load, achieving the desired regulation.

Detailed Application Field Plans

UCC2807D-2G4 finds extensive application in the following areas:

1. Switch-mode power supplies (SMPS): Used in various electronic devices, including computers, televisions, and industrial equipment.
2. Battery chargers: Enables efficient charging of batteries in portable devices, electric vehicles, and renewable energy systems.
3. LED drivers: Provides precise control over the current supplied to LEDs, ensuring optimal brightness and longevity.

Detailed and Complete Alternative Models

1. UCC2807D-1G4: Similar to UCC2807D-2G4 but with a different pin configuration.
2. UCC2807D-3G4: Offers additional features such as adjustable frequency and voltage feedforward compensation.

These alternative models provide similar functionality and can be considered as substitutes for UCC2807D-2G4 depending on specific requirements.

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