Overview
The UC2842AD8TR is a high-performance current mode PWM controller manufactured by Texas Instruments. Designed for DC-DC switching power supplies, this IC is widely used in applications requiring precise voltage regulation and efficient power conversion. Its compact SOIC-8 package and robust features make it suitable for industrial, automotive, and consumer electronics. The UC2842AD8TR stands out for its low startup current, high switching frequency, and advanced current mode control, ensuring reliable performance in demanding environments.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage | 2.45 - 2.55 | V | |
| Output Voltage | 5 | V | |
| Supply Voltage | 10 - 30 | V | |
| Switching Frequency | 500 | kHz | |
| Duty Cycle | 96 | % | |
| Output Type | Transistor Driver | ||
| Operating Temperature | -40 to +85 | °C | |
| Package | SOIC-8 | ||
| Topology | Boost, Buck, Flyback, Forward | ||
| Mounting Type | SMT |
Key Features
- Current mode control for enhanced performance and stability.
- Low startup current (<1mA) for efficient power management.
- High switching frequency up to 500kHz for compact designs.
- Wide operating temperature range (-40°C to +85°C) for versatile applications.
- Robust SOIC-8 package suitable for surface mount technology (SMT).
Applications
The UC2842AD8TR is ideal for a variety of power supply applications, including:
- Industrial automation systems requiring reliable voltage regulation.
- Automotive electronics for efficient DC-DC conversion.
- Consumer electronics such as adapters and chargers.
- Telecommunication equipment for stable power delivery.
Q & A
1. What is the maximum switching frequency of the UC2842AD8TR?
The maximum switching frequency is 500kHz.
2. What is the operating temperature range?
The operating temperature range is -40°C to +85°C.
3. What type of package does the UC2842AD8TR use?
It uses an SOIC-8 package.
4. What is the duty cycle of this IC?
The duty cycle is up to 96%.
5. Is the UC2842AD8TR suitable for automotive applications?
Yes, it is designed for automotive and industrial applications.
6. What is the input voltage range?
The input voltage range is 2.45V to 2.55V.
7. What is the output voltage of the UC2842AD8TR?
The output voltage is 5V.
8. Does this IC support surface mount technology (SMT)?
Yes, it is designed for SMT applications.
9. What is the supply voltage range?
The supply voltage range is 10V to 30V.
10. Is the UC2842AD8TR RoHS compliant?
Yes, it is RoHS compliant.
