UC2708DWG4
Product Overview
Category
The UC2708DWG4 belongs to the category of voltage mode PWM controllers.
Use
It is used for controlling and regulating the output voltage in power supply applications.
Characteristics
- Efficiency: High efficiency in voltage regulation.
- Flexibility: Can be used in various power supply designs.
- Protection: Built-in protection features for overvoltage and overcurrent.
Package
The UC2708DWG4 comes in a standard 16-pin SOIC package.
Essence
The essence of UC2708DWG4 lies in its ability to provide precise voltage regulation in power supply circuits.
Packaging/Quantity
The UC2708DWG4 is typically packaged in reels with a quantity of 2500 units per reel.
Specifications
- Input Voltage Range: 10V to 30V
- Output Voltage Range: 1.25V to 20V
- Operating Temperature Range: -40°C to 125°C
- Frequency Range: 100kHz to 500kHz
Detailed Pin Configuration
The detailed pin configuration of UC2708DWG4 is as follows: 1. VCC 2. COMP 3. FB 4. RT/CT 5. GND 6. SS/TR 7. SYNC 8. NC 9. NC 10. NC 11. NC 12. NC 13. NC 14. NC 15. NC 16. NC
Functional Features
- Voltage Mode Control: Utilizes voltage mode control for precise regulation.
- Soft Start/Tracking: Incorporates soft start and tracking functions for smooth power-up and transient response.
- Synchronization: Allows synchronization with an external clock signal for system integration.
Advantages and Disadvantages
Advantages
- High precision voltage regulation
- Flexible design integration
- Built-in protection features
Disadvantages
- Limited frequency range
- Requires external synchronization for certain applications
Working Principles
The UC2708DWG4 operates on the principle of voltage mode control, where it compares the actual output voltage with a reference voltage and adjusts the duty cycle of the PWM signal to regulate the output voltage.
Detailed Application Field Plans
The UC2708DWG4 is commonly used in the following application fields: - Switching power supplies - DC-DC converters - LED drivers - Industrial power systems
Detailed and Complete Alternative Models
Some alternative models to UC2708DWG4 include: - UC3842 - TL494 - SG3525 - LT1243
In conclusion, the UC2708DWG4 is a versatile voltage mode PWM controller with precise regulation capabilities, making it suitable for various power supply applications.
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What is UC2708DWG4?
- UC2708DWG4 is a dual-channel, high-speed, low-side gate driver IC designed for driving power MOSFETs and IGBTs in various applications.
What are the typical applications of UC2708DWG4?
- The typical applications of UC2708DWG4 include motor drives, power supplies, inverters, and other power management systems.
What is the maximum operating frequency of UC2708DWG4?
- UC2708DWG4 can operate at frequencies up to 2MHz, making it suitable for high-speed switching applications.
What is the input voltage range for UC2708DWG4?
- The input voltage range for UC2708DWG4 is typically between 4.5V and 18V, allowing compatibility with a wide range of control circuits.
Does UC2708DWG4 have built-in protection features?
- Yes, UC2708DWG4 includes built-in undervoltage lockout (UVLO), overcurrent protection, and thermal shutdown features to ensure safe operation.
What is the output current capability of UC2708DWG4?
- Each channel of UC2708DWG4 can drive up to 4A peak output current, providing sufficient drive strength for power semiconductor devices.
Is UC2708DWG4 suitable for automotive applications?
- Yes, UC2708DWG4 is qualified for automotive applications and meets AEC-Q100 standards, making it suitable for use in automotive systems.
What is the operating temperature range of UC2708DWG4?
- UC2708DWG4 can operate within a temperature range of -40°C to 125°C, allowing for reliable performance in harsh environments.
Can UC2708DWG4 be used in both high-side and low-side configurations?
- UC2708DWG4 is specifically designed for low-side gate driving, but it can be used in combination with an isolated DC-DC converter for high-side driving applications.
Are there any application notes or reference designs available for UC2708DWG4?
- Yes, Texas Instruments provides comprehensive application notes and reference designs for UC2708DWG4 to assist engineers in implementing the device effectively in their technical solutions.