UCC2960P

Product Overview

Category

UCC2960P belongs to the category of integrated circuits (ICs).

Use

The UCC2960P is primarily used as a power management IC in various electronic devices and systems.

Characteristics

• The UCC2960P is a highly efficient voltage mode PWM controller.
• It operates at a fixed frequency, making it suitable for applications requiring precise regulation.
• This IC offers excellent line and load regulation, ensuring stable power delivery.
• It features a wide input voltage range, allowing for versatile usage.
• The UCC2960P incorporates various protection features such as overvoltage and overcurrent protection.

Package

The UCC2960P is available in a standard 8-pin dual in-line package (DIP), which facilitates easy integration into circuit boards.

Essence

The essence of the UCC2960P lies in its ability to efficiently regulate and control power in electronic systems, ensuring reliable operation.

Packaging/Quantity

The UCC2960P is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.23V to 37V
• Fixed Frequency Operation: 100kHz
• Maximum Duty Cycle: 90%
• Operating Temperature Range: -40°C to +85°C
• Package Type: 8-pin DIP

Detailed Pin Configuration

The UCC2960P has the following pin configuration:

1. VREF: Reference voltage output
2. COMP: Error amplifier output
3. FB: Feedback pin for regulating the output voltage
4. GND: Ground reference
5. RT/CT: Timing resistor/capacitor connection
6. CT: Timing capacitor connection
7. VCC: Power supply input
8. OUT: Regulated output voltage

Functional Features

• Voltage mode PWM control for precise regulation
• Overvoltage protection to prevent damage to the system
• Overcurrent protection to safeguard against excessive current flow
• Soft-start feature for controlled power-up and reduced stress on components
• Error amplifier with high gain for accurate voltage regulation
• Internal oscillator for fixed frequency operation

Advantages and Disadvantages

Advantages

• High efficiency and excellent line/load regulation ensure stable power delivery.
• Wide input voltage range allows for versatile usage in various applications.
• Incorporates multiple protection features for enhanced system reliability.
• Compact 8-pin DIP package facilitates easy integration into circuit boards.

Disadvantages

• Limited maximum duty cycle of 90% may restrict certain applications requiring higher duty cycles.
• Fixed frequency operation may not be suitable for applications that require variable frequency control.

Working Principles

The UCC2960P operates based on the voltage mode PWM control principle. It compares the feedback voltage (FB) with a reference voltage (VREF) to generate an error signal. This error signal is then amplified by the internal error amplifier (COMP) and compared with the ramp signal generated by the internal oscillator. The resulting PWM signal controls the duty cycle of the output voltage, regulating it to match the desired value.

Detailed Application Field Plans

The UCC2960P finds extensive application in various electronic systems, including but not limited to: - Switching power supplies - Battery chargers - LED drivers - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the UCC2960P that offer similar functionality include: - LM2576-ADJ - LT1073 - MC34063A - TPS5430

These alternative models can be considered based on specific application requirements and availability.

In conclusion, the UCC2960P is a highly efficient voltage mode PWM controller used for power management in electronic systems. Its excellent regulation characteristics, protection features, and versatile applications make it a popular choice among designers and engineers.

Word count: 550