UCC3583DG4 - English Editing Encyclopedia Entry
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Mode PWM Controller
Characteristics: - High-performance voltage mode controller - Designed for use in switch-mode power supplies - Provides precise regulation of output voltage - Offers protection features for enhanced reliability
Package: SOIC-8 (Small Outline Integrated Circuit)
Essence: UCC3583DG4 is a voltage mode PWM controller that is widely used in switch-mode power supplies to regulate the output voltage with high precision. It offers various protection features to ensure reliable operation.
Packaging/Quantity: UCC3583DG4 is typically sold in reels containing 2500 units per reel.
Specifications
- Input Voltage Range: 7V to 30V
- Output Voltage Range: 0.8V to 5.5V
- Operating Temperature Range: -40°C to 85°C
- Maximum Duty Cycle: 100%
- Oscillator Frequency Range: 50kHz to 1MHz
- Error Amplifier Bandwidth: 10MHz
Detailed Pin Configuration
UCC3583DG4 has the following pin configuration:
- COMP: Compensation pin for error amplifier
- FB: Feedback pin for regulating output voltage
- CS: Current sense input pin
- GND: Ground reference pin
- VCC: Power supply input pin
- RT/CT: Timing resistor/capacitor connection pin
- OUT: Output pin for driving external MOSFET
- SS/TR: Soft-start and tracking pin
Functional Features
- Voltage mode control for precise regulation of output voltage
- Adjustable oscillator frequency for flexibility in design
- Error amplifier with wide bandwidth for improved stability
- Soft-start function for controlled startup of the power supply
- Overcurrent protection to prevent damage to the circuit
- Under-voltage lockout for reliable operation under low voltage conditions
Advantages and Disadvantages
Advantages: - High-performance voltage mode controller - Precise regulation of output voltage - Wide operating temperature range - Offers various protection features - Compact SOIC-8 package for space-saving designs
Disadvantages: - Limited input voltage range (7V to 30V) - Requires external components for proper operation
Working Principles
UCC3583DG4 operates on the principle of voltage mode control. It compares the feedback voltage from the output with a reference voltage and adjusts the duty cycle of the PWM signal to regulate the output voltage. The error amplifier amplifies the difference between the feedback voltage and the reference voltage, providing precise control. The oscillator frequency determines the switching frequency of the power supply, while the soft-start function ensures a gradual startup to prevent excessive inrush current.
Detailed Application Field Plans
UCC3583DG4 finds extensive application in various switch-mode power supplies, including: 1. AC-DC converters 2. DC-DC converters 3. LED drivers 4. Battery chargers 5. Power adapters
Its high-performance characteristics, precise regulation, and protection features make it suitable for demanding applications where reliable power supply regulation is crucial.
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to UCC3583DG4 are: 1. UC3843: Voltage mode PWM controller with similar features and performance. 2. TL494: PWM controller with adjustable frequency and duty cycle. 3. SG3525: Regulating pulse width modulator with wide input voltage range.
These alternative models offer similar functionality and can be used as substitutes depending on specific design requirements.
Word count: 511 words
技術ソリューションにおける UCC3583DG4 の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of UCC3583DG4 in technical solutions:
Q: What is UCC3583DG4? A: UCC3583DG4 is a high-speed, low-power pulse-width modulation (PWM) controller IC used in power supply applications.
Q: What are the key features of UCC3583DG4? A: Some key features include adjustable frequency operation, soft-start capability, cycle-by-cycle current limiting, and overvoltage protection.
Q: What is the typical input voltage range for UCC3583DG4? A: The typical input voltage range is between 4.5V and 16V.
Q: How does UCC3583DG4 help in power supply designs? A: UCC3583DG4 provides precise control over the switching frequency and duty cycle, enabling efficient power conversion and regulation.
Q: Can UCC3583DG4 be used in both buck and boost converter topologies? A: Yes, UCC3583DG4 can be used in both buck and boost converter topologies, making it versatile for various power supply designs.
Q: Does UCC3583DG4 have built-in protection features? A: Yes, UCC3583DG4 has built-in protection features such as overvoltage protection, cycle-by-cycle current limiting, and thermal shutdown.
Q: What is the maximum operating frequency of UCC3583DG4? A: The maximum operating frequency of UCC3583DG4 is typically around 1MHz.
Q: Can UCC3583DG4 operate in a synchronized mode? A: Yes, UCC3583DG4 can operate in a synchronized mode, allowing multiple converters to work together without interference.
Q: What is the recommended application circuit for UCC3583DG4? A: The datasheet of UCC3583DG4 provides a recommended application circuit that includes external components such as resistors, capacitors, and an inductor.
Q: Is UCC3583DG4 suitable for battery-powered applications? A: Yes, UCC3583DG4 is suitable for battery-powered applications due to its low-power consumption and adjustable frequency operation.
Please note that these answers are general and may vary depending on specific design requirements and application scenarios. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.