Veja as especificações para detalhes do produto.
UCC38C42DGK
Product Overview
Category
UCC38C42DGK 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
- Fast transient response
- Wide input voltage range
Package
UCC38C42DGK is available in a small outline package (SOP) with 8 pins.
Essence
The essence of UCC38C42DGK lies in its ability to regulate and control power efficiently, ensuring optimal performance in various power management systems.
Packaging/Quantity
UCC38C42DGK is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.
Specifications
- Input Voltage Range: 4.5V to 25V
- Output Voltage Range: 0.8V to 10V
- Maximum Output Current: 1A
- Switching Frequency: 100kHz to 1MHz
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VDD: Power supply input
- GND: Ground reference
- COMP: Compensation pin for feedback loop
- FB: Feedback pin for output voltage regulation
- CS: Current sense pin for current limit protection
- RT/CT: Timing components connection pins
- SS/TR: Soft-start and tracking pin
- OUT: Output voltage pin
Functional Features
- Constant voltage (CV) and constant current (CC) modes
- Overvoltage protection (OVP)
- Undervoltage lockout (UVLO)
- Adjustable soft-start time
- Cycle-by-cycle current limiting
- Thermal shutdown protection
Advantages and Disadvantages
Advantages
- High efficiency leads to energy savings
- Fast transient response ensures stability during load changes
- Wide input voltage range allows for versatile applications
- Compact SOP package enables space-saving designs
Disadvantages
- Limited maximum output current (1A)
- Requires external timing components for operation
Working Principles
UCC38C42DGK operates as a pulse width modulation (PWM) controller. It regulates the output voltage by adjusting the duty cycle of the switching transistor. The feedback loop compares the output voltage with a reference voltage and adjusts the duty cycle accordingly. This control mechanism ensures a stable output voltage under varying load conditions.
Detailed Application Field Plans
UCC38C42DGK finds applications in various power management systems, including but not limited to: - DC-DC converters - LED drivers - Battery chargers - Power supplies for industrial equipment - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as substitutes for UCC38C42DGK are: - LM5117 from Texas Instruments - LT3845 from Analog Devices - MAX668 from Maxim Integrated - NCP1200 from ON Semiconductor
These alternatives offer similar functionalities and can be used depending on specific requirements and availability.
Word count: 389
Liste 10 perguntas e respostas comuns relacionadas à aplicação de UCC38C42DGK em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of UCC38C42DGK in technical solutions:
Q: What is UCC38C42DGK? A: UCC38C42DGK is a specific integrated circuit (IC) that serves as a high-performance current mode PWM controller.
Q: What are the key features of UCC38C42DGK? A: Some key features of UCC38C42DGK include adjustable frequency, soft-start capability, cycle-by-cycle current limiting, and built-in protection features.
Q: What is the typical application of UCC38C42DGK? A: UCC38C42DGK is commonly used in various power supply applications, such as offline flyback converters, LED drivers, and battery chargers.
Q: How does UCC38C42DGK help in power supply designs? A: UCC38C42DGK provides precise control over the power supply's output voltage and current, ensuring stable and efficient operation.
Q: Can UCC38C42DGK handle high voltages? A: Yes, UCC38C42DGK can handle input voltages up to a certain limit, typically around 600V.
Q: Does UCC38C42DGK have any protection features? A: Yes, UCC38C42DGK includes protection features like overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.
Q: How can I adjust the switching frequency of UCC38C42DGK? A: The switching frequency of UCC38C42DGK can be adjusted by changing the value of an external resistor or capacitor connected to the appropriate pin.
Q: Can UCC38C42DGK operate in a wide temperature range? A: Yes, UCC38C42DGK is designed to operate reliably over a wide temperature range, typically from -40°C to 125°C.
Q: Is UCC38C42DGK available in different package options? A: Yes, UCC38C42DGK is available in various package options, such as SOIC and VSSOP, to suit different application requirements.
Q: Where can I find more information about using UCC38C42DGK in my technical solution? A: You can refer to the datasheet and application notes provided by the manufacturer of UCC38C42DGK for detailed information on its usage and application-specific guidelines.
Please note that the specific details and answers may vary depending on the manufacturer's documentation and the application requirements.