Overview
The LM2575T-ADJG is a monolithic integrated circuit designed by onsemi, ideally suited for the easy and convenient design of a step-down switching regulator (buck converter). This device is part of the LM2575 series, which is known for its high efficiency and simplicity in power supply design. The LM2575T-ADJG can drive a 1.0 A load with excellent line and load regulation, making it a versatile choice for various applications. Its switch-mode operation significantly enhances efficiency compared to traditional three-terminal linear regulators, especially at higher input voltages.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage DC | 1.23 V to 37 V |
| Output Current | 1 A |
| Input Voltage | 4.75 V to 40 V |
| Switching Frequency | 52 kHz |
| Package Type | TO-220-5 |
| Mounting Type | Through Hole (THT) |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | 125 °C |
| Efficiency | 77% |
| Dimensions | 10.54 x 4.57 x 9.27 mm |
| Moisture Sensitivity Level (MSL) | 1 |
Key Features
- Requires only 4 external components to simplify the power supply design.
- 52 kHz fixed frequency internal oscillator.
- TTL shutdown capability with low power standby mode.
- High efficiency, especially compared to three-terminal linear regulators.
- Uses readily available standard inductors.
- Thermal shutdown and current limit protection for full fault protection.
- Adjustable output voltage range of 1.23 V to 37 V with ±4% maximum regulation over line and load conditions.
- Pb-free packages available.
- Moisture Sensitivity Level (MSL) equals 1.
Applications
- Efficient pre-regulator for linear regulators.
- On-card switching regulators.
- Positive to negative converters.
- Negative step-up converters.
- Power supply for battery chargers.
Q & A
- What is the output current capability of the LM2575T-ADJG?
The LM2575T-ADJG can handle a maximum output current of 1 A.
- What is the input voltage range for the LM2575T-ADJG?
The input voltage range is from 4.75 V to 40 V.
- What is the switching frequency of the LM2575T-ADJG?
The switching frequency is fixed at 52 kHz.
- What type of package does the LM2575T-ADJG come in?
The LM2575T-ADJG comes in a TO-220-5 package.
- What is the operating temperature range for the LM2575T-ADJG?
The operating temperature range is from -40 °C to 125 °C.
- Does the LM2575T-ADJG have thermal protection?
- What is the efficiency of the LM2575T-ADJG?
The efficiency is approximately 77%.
- Can the LM2575T-ADJG be used in high-temperature environments?
- Is the LM2575T-ADJG RoHS compliant?
- What are some common applications of the LM2575T-ADJG?
