Overview
The LM43601PWP, manufactured by Texas Instruments, is a high-performance synchronous step-down voltage converter designed for a wide range of power management applications. This component operates within an input voltage range of 3.5V to 36V, delivering up to 1A of output current. It is particularly suited for applications requiring compact size, high efficiency, and precise voltage regulation. The LM43601PWP is part of Texas Instruments' catalog of power management solutions, targeting industries such as industrial automation, consumer electronics, and automotive systems. Its unique selling points include advanced features like frequency synchronization, over-current protection, and a power-good indicator, making it a competitive choice for modern electronic designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage (Min) | 3.5 | V | |
| Input Voltage (Max) | 36 | V | Transient up to 42V |
| Output Voltage (Min) | 1 | V | |
| Output Voltage (Max) | 28 | V | |
| Output Current (Max) | 1 | A | |
| Switching Frequency (Min) | 200 | kHz | |
| Switching Frequency (Max) | 2200 | kHz | |
| Quiescent Current (Typ) | 0.033 | mA | |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | HTSSOP-16 | 6.6mm × 5.1mm × 1.2mm |
Key Features
- Wide input voltage range (3.5V to 36V) for versatile applications.
- High efficiency with synchronous rectification and light load efficiency optimization.
- Integrated over-current protection and thermal shutdown for enhanced reliability.
- Power-good indicator and pre-bias start-up for system monitoring and stability.
- Programmable switching frequency and frequency synchronization for flexible design.
Applications
The LM43601PWP is ideal for a variety of applications, including industrial automation, where it provides reliable power conversion for control systems and sensors. In consumer electronics, it is used in portable devices and IoT products due to its compact size and efficiency. Automotive systems benefit from its robust performance and protection features, ensuring stable power delivery in demanding environments. Additionally, its advanced features make it suitable for telecommunications and networking equipment, where precise voltage regulation is critical.
Q & A
1. What is the input voltage range of the LM43601PWP?
The input voltage range is 3.5V to 36V, with transient capability up to 42V.
2. What is the maximum output current of this component?
The maximum output current is 1A.
3. Does the LM43601PWP support frequency synchronization?
Yes, it supports frequency synchronization for flexible design integration.
4. What protection features are included?
It includes over-current protection, thermal shutdown, and output short-circuit protection.
5. What is the typical quiescent current?
The typical quiescent current is 0.033 mA.
6. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
7. What package does the LM43601PWP use?
It uses a 16-pin HTSSOP package with dimensions of 6.6mm × 5.1mm × 1.2mm.
8. Is this component suitable for automotive applications?
Yes, its robust performance and protection features make it suitable for automotive systems.
9. Can the switching frequency be programmed?
Yes, the switching frequency is programmable between 200 kHz and 2.2 MHz.
10. What is the minimum output voltage?
The minimum output voltage is 1V.
