UCC3888DG4 - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High-performance synchronous buck controller - Designed for use in power supply applications - Provides efficient and reliable power conversion

Package: SOIC-8

Essence: The UCC3888DG4 is a high-performance synchronous buck controller that is widely used in power supply applications. It offers excellent power conversion efficiency and reliability.

Packaging/Quantity: The UCC3888DG4 is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

Input Voltage Range: 4.5V to 60V
Output Voltage Range: 0.8V to 55V
Maximum Switching Frequency: 2MHz
Operating Temperature Range: -40°C to 125°C
Control Method: Voltage Mode Control
Protection Features: Overcurrent Protection, Overvoltage Protection, Undervoltage Lockout

Detailed Pin Configuration

The UCC3888DG4 has the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
FB: Feedback pin for voltage regulation
COMP: Compensation pin for stability control
EN: Enable pin for turning the device on/off
SS/TR: Soft-start/Tracking pin for controlling startup behavior
PG: Power Good pin for indicating output status
VOUT: Output voltage pin

Functional Features

Voltage mode control for precise regulation
Adjustable soft-start and tracking functions
Power good indicator for output status monitoring
Comprehensive protection features for enhanced reliability
Wide input and output voltage ranges for versatile applications

Advantages and Disadvantages

Advantages: - High-performance and efficient power conversion - Wide input and output voltage ranges - Comprehensive protection features for enhanced reliability - Adjustable soft-start and tracking functions

Disadvantages: - Limited maximum switching frequency (2MHz) - Available only in SOIC-8 package

Working Principles

The UCC3888DG4 operates based on the voltage mode control method. It regulates the output voltage by comparing it with a reference voltage and adjusting the duty cycle of the switching transistor accordingly. This control mechanism ensures precise and stable voltage regulation.

Detailed Application Field Plans

The UCC3888DG4 is commonly used in various power supply applications, including but not limited to: - DC-DC converters - Voltage regulators - Power modules - Industrial equipment - Automotive electronics

Detailed and Complete Alternative Models

LM5117: Synchronous Buck Controller, 80V Input, 1.5A Output
LT8610: Silent Switcher, 42V, 2.5A Synchronous Step-Down Regulator
TPS54332: 28V, 3.5A Step-Down Converter with Eco-mode

These alternative models offer similar functionality and can be considered as alternatives to the UCC3888DG4 depending on specific requirements and application scenarios.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UCC3888DG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of UCC3888DG4 in technical solutions:

Q: What is UCC3888DG4? A: UCC3888DG4 is a high-performance synchronous buck controller IC used for power management applications.
Q: What is the input voltage range supported by UCC3888DG4? A: UCC3888DG4 supports an input voltage range from 4.5V to 60V.
Q: What is the output voltage range that can be achieved using UCC3888DG4? A: UCC3888DG4 can achieve an output voltage range from 0.6V to 55V.
Q: Can UCC3888DG4 handle high current loads? A: Yes, UCC3888DG4 is capable of handling high current loads with its integrated MOSFET drivers.
Q: Is UCC3888DG4 suitable for battery-powered applications? A: Yes, UCC3888DG4 is suitable for battery-powered applications as it has low quiescent current and supports low-voltage operation.
Q: Does UCC3888DG4 have any protection features? A: Yes, UCC3888DG4 includes various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.
Q: Can UCC3888DG4 operate in a wide temperature range? A: Yes, UCC3888DG4 can operate in a wide temperature range from -40°C to 125°C.
Q: What control methods are supported by UCC3888DG4? A: UCC3888DG4 supports voltage mode control and current mode control for flexible power management.
Q: Does UCC3888DG4 have any synchronization capability? A: Yes, UCC3888DG4 supports synchronization with an external clock signal for multi-phase operation.
Q: What package options are available for UCC3888DG4? A: UCC3888DG4 is available in a 16-pin SOIC package and a 20-pin TSSOP package for easy integration into various designs.

Please note that these answers are general and may vary depending on the specific application and design considerations.