Overview
The LM2576T-ADJG is a monolithic integrated circuit designed by ON Semiconductor, ideal for the easy and convenient design of step-down switching regulators. This buck switching regulator is part of the LM2576 series, which simplifies the design of switch-mode power supplies by minimizing the number of external components required. The device is highly efficient and offers various output voltage options, making it versatile for a range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage Range | 1.23 - 37 V | V |
| Output Current | 3 A | A |
| Input Voltage | 7 - 40 V | V |
| Oscillator Frequency | 52 kHz | kHz |
| Operating Junction Temperature Range | -40 to +125 °C | °C |
| Enclosure | TO-220-5 | |
| Assembly | Through-Hole Technology (THT) | |
| RoHS Conformity | Yes |
Key Features
- Requires only 4 external components to simplify power supply design.
- 52 kHz fixed frequency internal oscillator.
- TTL shutdown capability with low power standby mode.
- High efficiency compared to three-terminal linear regulators.
- Thermal shutdown and cycle-by-cycle current limiting for protection.
- Uses readily available standard inductors.
- Guaranteed ±4% tolerance on output voltage within specified input voltages and output load conditions.
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 voltage range of the LM2576T-ADJG?
The output voltage range is 1.23 to 37 V.
- What is the maximum output current of the LM2576T-ADJG?
The maximum output current is 3 A.
- What is the input voltage range for the LM2576T-ADJG?
The input voltage range is 7 to 40 V.
- What is the oscillator frequency of the LM2576T-ADJG?
The oscillator frequency is 52 kHz.
- What type of enclosure does the LM2576T-ADJG use?
The LM2576T-ADJG uses a TO-220-5 enclosure.
- Is the LM2576T-ADJG RoHS compliant?
Yes, the LM2576T-ADJG is RoHS compliant.
- What are the key protection features of the LM2576T-ADJG?
The key protection features include thermal shutdown and cycle-by-cycle current limiting.
- How many external components are required for the LM2576T-ADJG?
The LM2576T-ADJG requires only 4 external components.
- What is the operating junction temperature range of the LM2576T-ADJG?
The operating junction temperature range is -40 to +125 °C.
- What are some common applications of the LM2576T-ADJG?
Common applications include efficient pre-regulators for linear regulators, on-card switching regulators, and power supplies for battery chargers.
