UCC38503DWG4

Overview

Product Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Wide input voltage range - Low quiescent current - Overcurrent protection - Thermal shutdown protection

Package: DWG (SOIC-8)

Essence: The UCC38503DWG4 is a power management IC designed for various applications requiring high efficiency and reliable power delivery.

Packaging/Quantity: The UCC38503DWG4 is available in a 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
Quiescent Current: 80µA
Switching Frequency: 100kHz to 2MHz
Operating Temperature Range: -40°C to 125°C

Pin Configuration

The UCC38503DWG4 has the following pin configuration:

VIN: Input voltage
GND: Ground
FB: Feedback voltage
EN: Enable control
SS/TR: Soft-start/tracking control
PGND: Power ground
SW: Switch node
VOUT: Output voltage

Functional Features

Wide input voltage range allows for versatile applications.
High efficiency helps minimize power losses.
Overcurrent protection ensures safe operation.
Thermal shutdown protection prevents overheating.
Soft-start/tracking control enables smooth startup and tracking of output voltage.

Advantages

High efficiency results in reduced power consumption.
Wide input voltage range accommodates various power sources.
Overcurrent protection enhances system reliability.
Thermal shutdown protection prevents damage due to excessive heat.
Soft-start/tracking control ensures controlled startup and stable output voltage.

Disadvantages

Limited output current capability compared to some other power management ICs.
Higher cost compared to basic linear regulators.

Working Principles

The UCC38503DWG4 is a buck converter, which means it steps down the input voltage to a lower output voltage. It utilizes a high-frequency switching transistor to regulate the output voltage efficiently. The feedback voltage (FB) pin monitors the output voltage and adjusts the duty cycle of the switching transistor to maintain the desired output voltage.

Detailed Application Field Plans

The UCC38503DWG4 can be used in various applications, including but not limited to: - Industrial automation - Telecommunications equipment - Automotive electronics - Power supplies - Battery charging systems

Alternative Models

Some alternative models that offer similar functionality to the UCC38503DWG4 include: - LM2596: Buck converter with adjustable output voltage - LT8610: High-efficiency synchronous buck converter - TPS54331: Wide-input voltage range buck converter

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

In conclusion, the UCC38503DWG4 is a versatile power management IC that offers high efficiency, wide input voltage range, and various protection features. Its compact SOIC-8 package makes it suitable for space-constrained applications. However, designers should consider alternative models depending on their specific needs and constraints.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací UCC38503DWG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of UCC38503DWG4 in technical solutions:

Q: What is UCC38503DWG4? A: UCC38503DWG4 is a high-performance synchronous buck controller IC designed for power supply applications.
Q: What is the input voltage range supported by UCC38503DWG4? A: UCC38503DWG4 supports an input voltage range from 4.5V to 60V.
Q: What is the output voltage range that can be achieved using UCC38503DWG4? A: UCC38503DWG4 can achieve output voltages as low as 0.8V and as high as 55V.
Q: What is the maximum output current that UCC38503DWG4 can handle? A: UCC38503DWG4 can handle a maximum output current of up to 20A.
Q: Does UCC38503DWG4 support synchronous rectification? A: Yes, UCC38503DWG4 supports synchronous rectification, which improves efficiency and reduces power losses.
Q: Can UCC38503DWG4 operate in a wide temperature range? A: Yes, UCC38503DWG4 has a wide operating temperature range of -40°C to 125°C.
Q: What type of control method does UCC38503DWG4 use? A: UCC38503DWG4 uses voltage mode control with adjustable frequency.
Q: Does UCC38503DWG4 have any built-in protection features? A: Yes, UCC38503DWG4 includes various protection features like overvoltage protection, undervoltage lockout, and thermal shutdown.
Q: Can UCC38503DWG4 be used in automotive applications? A: Yes, UCC38503DWG4 is suitable for automotive applications as it meets the AEC-Q100 Grade 1 qualification.
Q: What package options are available for UCC38503DWG4? A: UCC38503DWG4 is available in a 20-pin HTSSOP package and a 20-pin VQFN package.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.