Overview
The UC2842DTR, manufactured by Texas Instruments, is a high-performance current-mode PWM controller designed for AC-DC conversion and offline switching applications. This IC is part of the UC2842 series and is packaged in a 14-SOIC (Small Outline Integrated Circuit) form factor. It is widely used in power management systems due to its robust design and efficient performance. The UC2842DTR is particularly suitable for applications requiring precise control of switching power supplies, making it a popular choice among engineers in industrial and consumer electronics sectors.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | PMIC - AC-DC Converters, Offline Switches | - | - |
| Description | IC PWM BOOST FLYBACK CM 14SOIC | - | - |
| Manufacturer | Texas Instruments | - | - |
| Output Isolation | Isolated | - | - |
| Frequency Range | 47kHz ~ 57kHz | kHz | - |
| Input Voltage | 11 V ~ 30 V | V | - |
| Output Voltage | 13.5V | V | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
| Package/Case | 14-SOIC (0.154", 3.90mm Width) | - | - |
Key Features
- Current-mode PWM control for precise regulation
- Wide input voltage range (11V to 30V)
- High-frequency operation (47kHz to 57kHz)
- Isolated output for enhanced safety
- Robust performance across a wide temperature range (-40°C to 85°C)
Applications
The UC2842DTR is extensively used in various applications, including industrial automation, consumer electronics, and power supply units. Its ability to handle high-frequency switching and precise voltage regulation makes it ideal for use in flyback converters, boost converters, and other power management systems. Additionally, its isolated output feature ensures safety in applications requiring electrical isolation, such as medical devices and telecommunications equipment.
Q & A
1. What is the primary function of the UC2842DTR?
The UC2842DTR is a current-mode PWM controller used for regulating switching power supplies in AC-DC conversion and offline switching applications.
2. What is the input voltage range for the UC2842DTR?
The input voltage range is from 11V to 30V.
3. What is the operating frequency range of the UC2842DTR?
The operating frequency range is from 47kHz to 57kHz.
4. Is the output of the UC2842DTR isolated?
Yes, the output is isolated, providing enhanced safety in applications requiring electrical isolation.
5. What is the operating temperature range for the UC2842DTR?
The operating temperature range is from -40°C to 85°C.
6. What type of package does the UC2842DTR come in?
The UC2842DTR is available in a 14-SOIC (Small Outline Integrated Circuit) package.
7. Can the UC2842DTR be used in flyback converters?
Yes, it is well-suited for use in flyback converters due to its current-mode PWM control and high-frequency operation.
8. What are the typical applications of the UC2842DTR?
Typical applications include industrial automation, consumer electronics, and power supply units.
9. Does the UC2842DTR support precise voltage regulation?
Yes, it provides precise voltage regulation, making it ideal for power management systems.
10. Is the UC2842DTR suitable for medical devices?
Yes, its isolated output feature makes it suitable for applications requiring electrical isolation, such as medical devices.
