Overview
The LM5642MTCX/NOPB is a dual synchronous buck controller produced by Texas Instruments. This component is designed for high-efficiency power management applications, offering advanced features such as current mode control, frequency synchronization, and adjustable current limits. It is widely used in industrial, automotive, and consumer electronics due to its robust performance and flexibility. The LM5642MTCX/NOPB is particularly suited for applications requiring precise voltage regulation and high reliability.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage (Min) | 4.5 | V | |
| Input Voltage (Max) | 36 | V | |
| Output Voltage (Min) | 1.236 | V | |
| Output Voltage (Max) | 34 | V | |
| Switching Frequency (Min) | 150 | kHz | |
| Switching Frequency (Max) | 250 | kHz | |
| Number of Phases | 2 | ||
| Operating Temperature Range | -40 to 125 | °C | |
| Control Mode | Current Mode | ||
| Package | TSSOP-28 |
Key Features
- Dual synchronous buck controller for high-efficiency power management.
- Current mode control ensures precise voltage regulation.
- Frequency synchronization capability for reduced EMI.
- Adjustable current limit for enhanced safety and flexibility.
- Wide input voltage range (4.5V to 36V) for versatile applications.
Applications
The LM5642MTCX/NOPB is ideal for a variety of applications, including industrial automation, automotive electronics, and consumer electronics. Its robust design and advanced features make it suitable for power supplies, battery chargers, and LED drivers. The component's ability to handle high input voltages and provide precise output regulation ensures reliable performance in demanding environments.
Q & A
1. What is the input voltage range of the LM5642MTCX/NOPB?
The input voltage range is 4.5V to 36V.
2. What is the maximum switching frequency?
The maximum switching frequency is 250 kHz.
3. Does this component support frequency synchronization?
Yes, it supports frequency synchronization to reduce EMI.
4. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
5. How many phases does this controller support?
It supports dual-phase operation.
6. What is the control mode used in this component?
It uses current mode control for precise regulation.
7. What package does the LM5642MTCX/NOPB come in?
It is available in a TSSOP-28 package.
8. Is the current limit adjustable?
Yes, the current limit is adjustable for enhanced flexibility.
9. What are the typical applications of this component?
Typical applications include power supplies, battery chargers, and LED drivers.
10. What is the minimum output voltage?
The minimum output voltage is 1.236V.
