Overview
The LM2575T-5G is a part of the LM2575 series of step-down switching regulators produced by onsemi. This monolithic integrated circuit is designed to simplify the creation of a buck converter, making it an ideal choice for various power supply applications. The LM2575T-5G is available in a TO-220-5 package and is capable of driving a 1.0 A load with excellent line and load regulation.
Key Specifications
| Attribute | Value |
|---|---|
| Topology | Buck |
| Input Voltage | 4.75 V to 40 V |
| Output Current-Max | 1 A |
| Output Voltage Range | 5 V (Fixed) |
| Switching Frequency-Max | 52 kHz |
| Operating Temp Range | -40°C to +125°C |
| Duty Cycle-Max | 98% |
| Efficiency | 77% |
| No. of Outputs | 1 |
| Quiescent Current | 9 mA |
| Storage Temperature Range | -65°C to +150°C |
| Moisture Sensitivity Level | 1 |
| Package Style | TO-220-5 |
Key Features
- Fixed output voltage of 5 V, with other versions available in 3.3 V, 12 V, 15 V, and adjustable output
- Adjustable version output voltage range of 1.23 V to 37 V ±4% maximum over line and load conditions
- Guaranteed 1.0 A output current
- Wide input voltage range: 4.75 V to 40 V
- Requires only 4 external components
- 52 kHz fixed frequency internal oscillator
- TTL shutdown capability, low power standby mode
- High efficiency
- Uses readily available standard inductors
- Thermal shutdown and current limit protection
- Moisture Sensitivity Level (MSL) equals 1
- Pb-free packages are available
Applications
The LM2575T-5G is suitable for a variety of applications that require efficient step-down voltage regulation. These include:
- Power supplies for electronic devices
- DC-DC converters in industrial and automotive systems
- Battery-powered equipment
- Distributed power systems
- Telecommunication equipment
Q & A
- What is the input voltage range of the LM2575T-5G?
The input voltage range is from 4.75 V to 40 V.
- What is the maximum output current of the LM2575T-5G?
The maximum output current is 1 A.
- What is the output voltage of the LM2575T-5G?
The output voltage is fixed at 5 V, although other versions offer different fixed and adjustable voltages.
- What is the switching frequency of the LM2575T-5G?
The switching frequency is fixed at 52 kHz.
- Does the LM2575T-5G have thermal protection?
- What package style is the LM2575T-5G available in?
- What is the operating temperature range of the LM2575T-5G?
- Does the LM2575T-5G support TTL shutdown?
- How many external components are required for the LM2575T-5G?
- Is the LM2575T-5G Pb-free?
