UCC3807D-2G4

Product Overview

Category

UCC3807D-2G4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

• High efficiency
• Low standby power consumption
• Wide input voltage range
• Protection features such as overvoltage and overcurrent protection

Package

UCC3807D-2G4 is available in a small outline package (SOP) with 8 pins.

Essence

The essence of UCC3807D-2G4 lies in its ability to efficiently regulate and control power in various electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 12V
• Output Voltage Range: 0.8V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Switching Frequency: 100kHz to 1MHz
• Maximum Duty Cycle: 100%
• Quiescent Current: 200µA

Detailed Pin Configuration

1. COMP: Compensation pin for feedback loop
2. FB: Feedback pin for output voltage regulation
3. GND: Ground reference
4. VREF: Reference voltage output
5. CS: Current sense input
6. RT/CT: Timing components for oscillator frequency control
7. OUT: Power output
8. VIN: Input voltage supply

Functional Features

• Voltage mode control for stable output regulation
• Adjustable switching frequency for optimization
• Soft-start function for controlled startup
• Overvoltage protection to prevent damage
• Overcurrent protection for safe operation
• Error amplifier for precise voltage regulation

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range allows for versatile applications
• Protection features ensure safe operation
• Compact package size enables space-saving designs

Disadvantages

• Limited output voltage range may not be suitable for all applications
• Requires external components for proper operation
• Higher cost compared to simpler power management solutions

Working Principles

UCC3807D-2G4 operates on the principle of voltage mode control. It regulates the output voltage by comparing it with a reference voltage and adjusting the duty cycle of the switching signal accordingly. This control mechanism ensures stable and accurate output voltage regulation.

The IC incorporates an error amplifier that compares the feedback voltage from the FB pin with the reference voltage from the VREF pin. Any deviation between the two voltages is amplified and used to adjust the duty cycle of the switching signal. This adjustment controls the power delivered to the load, maintaining the desired output voltage.

Detailed Application Field Plans

UCC3807D-2G4 finds application in various power management scenarios, including but not limited to:

1. Switching power supplies
2. DC-DC converters
3. Battery charging circuits
4. LED drivers
5. Industrial automation systems
6. Automotive electronics
7. Telecommunications equipment

Its versatility and wide input voltage range make it suitable for a broad range of applications where efficient power regulation is required.

Detailed and Complete Alternative Models

1. UCC3807D-1G4: Similar to UCC3807D-2G4, but with a different output voltage range.
2. UCC3807D-3G4: Similar to UCC3807D-2G4, but with additional protection features.
3. UCC3807D-4G4: Similar to UCC3807D-2G4, but with a higher switching frequency.

These alternative models offer variations in output voltage range, protection features, and switching frequency to cater to different application requirements.

In conclusion, UCC3807D-2G4 is a versatile integrated circuit used for power management applications. Its high efficiency, wide input voltage range, and protection features make it suitable for various electronic devices. While it has certain limitations, its working principle and detailed application field plans demonstrate its effectiveness in regulating power. Additionally, alternative models provide flexibility to meet specific application needs.