Overview
The LM2575-5.0WT is a step-down (buck) switching voltage regulator produced by Microchip Technology. This integrated circuit provides all the necessary active functions for a high-efficiency step-down regulator. It is characterized by its wide input voltage range of 4.75 V to 40 V and a fixed output voltage of 5 V. The LM2575-5.0WT is capable of delivering up to 1 A of load current, making it suitable for a variety of applications requiring efficient power management.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.75 - 40 | V |
| Output Voltage | 5 | V |
| Output Current | 1 | A |
| Switching Frequency | 52 kHz | - |
| Package Type | TO-220-5 | - |
| Mounting Type | Through Hole | - |
| Operating Temperature Range | -40°C to 125°C | - |
| Thermal Shutdown | Yes | - |
| Current Limit Protection | Yes | - |
Key Features
- High efficiency, up to 88% typical, reducing the need for a heat sink in many applications.
- Fixed 52 kHz switching frequency simplifies design and minimizes the number of external components required.
- Internal frequency compensation and cycle-by-cycle current limiting.
- Thermal shutdown and current limit protection for enhanced reliability.
- TTL shutdown capability with a low standby current of 50 μA typical.
- Stable operation with low ESR output capacitors.
- Good transient response.
- Compatible with standard series of inductors available from various manufacturers.
Applications
- Consumer Electronics
- Communication Devices
- PCs and Servers
- Industrial Controls
- Simple high-efficiency step-down (buck) regulators
- Pre-regulators for linear regulators
- On-card switching regulators
- Positive-to-negative converters (buck-boost)
Q & A
- What is the input voltage range of the LM2575-5.0WT?
The input voltage range is from 4.75 V to 40 V.
- What is the fixed output voltage of the LM2575-5.0WT?
The fixed output voltage is 5 V.
- What is the maximum output current of the LM2575-5.0WT?
The maximum output current is 1 A.
- What is the switching frequency of the LM2575-5.0WT?
The switching frequency is 52 kHz.
- What type of package does the LM2575-5.0WT come in?
The LM2575-5.0WT comes in a TO-220-5 package.
- Does the LM2575-5.0WT have thermal shutdown protection?
Yes, it has thermal shutdown protection.
- What is the operating temperature range of the LM2575-5.0WT?
The operating temperature range is from -40°C to 125°C.
- Can the LM2575-5.0WT be used in industrial control applications?
Yes, it can be used in industrial control applications.
- Does the LM2575-5.0WT require external frequency compensation?
No, it does not require external frequency compensation.
- What is the typical efficiency of the LM2575-5.0WT?
The typical efficiency is up to 88%.
