Overview
The LM46000PWPR is a synchronous step-down voltage converter produced by Texas Instruments, designed for applications requiring a compact and efficient power management solution. This component supports an input voltage range of 3.5V to 60V and delivers a maximum output current of 500mA. It is particularly suitable for industrial, automotive, and consumer electronics applications due to its robust features and high reliability. The LM46000PWPR is packaged in an HTSSOP-16 form factor, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 3.5 - 60 | V | |
| Output Current (Max) | 0.5 | A | |
| Switching Frequency (Max) | 2200 | kHz | |
| Switching Frequency (Min) | 200 | kHz | |
| Output Voltage (Max) | 28 | V | |
| Output Voltage (Min) | 1 | V | |
| Operating Temperature Range | -40 to 125 | °C | |
| Quiescent Current (Typ) | 0.024 | mA | |
| Control Mode | Current Mode | ||
| Package | HTSSOP-16 |
Key Features
- Supports a wide input voltage range of 3.5V to 60V.
- Delivers up to 500mA of output current.
- High efficiency with synchronous rectification.
- Integrated features such as enable, frequency synchronization, and over-current protection.
- Light load efficiency enhancements through discontinuous conduction mode (DCM) and pulse frequency modulation (PFM).
- Compact HTSSOP-16 package for space-constrained designs.
Applications
The LM46000PWPR is widely used in various applications, including industrial automation, automotive electronics, and consumer electronics. Its ability to handle a wide input voltage range and deliver stable output makes it suitable for powering sensors, microcontrollers, and other low-power devices. In automotive applications, it is used in infotainment systems, lighting controls, and power management modules. In consumer electronics, it is ideal for portable devices, IoT devices, and battery-powered applications.
Q & A
1. What is the input voltage range of the LM46000PWPR?
The input voltage range is 3.5V to 60V.
2. What is the maximum output current it can deliver?
It can deliver up to 500mA of output current.
3. What is the typical quiescent current of the LM46000PWPR?
The typical quiescent current is 24µA.
4. What package does the LM46000PWPR come in?
It comes in an HTSSOP-16 package.
5. Does the LM46000PWPR support frequency synchronization?
Yes, it supports frequency synchronization.
6. What are the key protection features of the LM46000PWPR?
It includes over-current protection, thermal shutdown, and output short-circuit protection.
7. What is the operating temperature range of the LM46000PWPR?
The operating temperature range is -40°C to 125°C.
8. Can the LM46000PWPR operate in light load conditions?
Yes, it supports light load efficiency through DCM and PFM modes.
9. What is the maximum switching frequency of the LM46000PWPR?
The maximum switching frequency is 2200kHz.
10. Is the LM46000PWPR suitable for automotive applications?
Yes, it is suitable for automotive applications such as infotainment systems and power management modules.
