Overview
The LM2576D2TR4-5G is a high-efficiency step-down switching regulator produced by onsemi. This component is part of the LM2576 series and is designed to provide a reliable and efficient power supply solution. It is housed in a TO-263-3 (D2PAK) package, making it suitable for surface mount applications. The regulator is capable of handling input voltages from 7V to 40V and provides a fixed output voltage of 5V with a maximum output current of 3A.
Key Specifications
| Attribute | Value |
|---|---|
| Topology | Buck (Step Down) |
| Input Voltage | 7V to 40V |
| Output Current - Max | 3A |
| Output Type | Fixed |
| Output Voltage (Fixed) | 5V |
| Switching Frequency - Max | 52kHz |
| Operating Temperature Range | -40°C to +125°C |
| Duty Cycle - Max | 98% |
| Efficiency | 77% |
| No. of Outputs | 1 |
| Quiescent Current | 9mA |
| Storage Temperature Range | -65°C to +150°C |
| Moisture Sensitivity Level | 1 |
| Package Style | TO-263-3 (D2PAK) |
| Mounting Method | Surface Mount |
Key Features
- Guaranteed ±4% tolerance on output voltage within specified input voltages and output load conditions.
- Fixed 52kHz internal oscillator frequency with ±10% tolerance (±2% over 0°C to 125°C).
- TTL shutdown capability with low power standby mode (80 μA typical standby current).
- High efficiency and the ability to use readily available standard inductors.
- Cycle-by-cycle current limiting and thermal shutdown for full protection under fault conditions).
- Pb-free packages available and RoHS compliant).
Applications
- Simple high-efficiency step-down (buck) regulators).
- Efficient pre-regulator for linear regulators).
- On-card switching regulators).
- Positive to negative converter (buck-boost) and negative step-up converters).
- Power supply for battery chargers).
Q & A
- What is the input voltage range of the LM2576D2TR4-5G?
The input voltage range is from 7V to 40V).
- What is the maximum output current of the LM2576D2TR4-5G?
The maximum output current is 3A).
- What is the fixed output voltage of the LM2576D2TR4-5G?
The fixed output voltage is 5V).
- What is the switching frequency of the LM2576D2TR4-5G?
The switching frequency is 52kHz).
- What is the operating temperature range of the LM2576D2TR4-5G?
The operating temperature range is -40°C to +125°C).
- Does the LM2576D2TR4-5G have thermal shutdown protection?
Yes, it includes thermal shutdown protection for full protection under fault conditions).
- Is the LM2576D2TR4-5G RoHS compliant?
Yes, the LM2576D2TR4-5G is RoHS compliant).
- What package style does the LM2576D2TR4-5G use?
The package style is TO-263-3 (D2PAK)).
- What is the quiescent current of the LM2576D2TR4-5G?
The quiescent current is 9mA).
- Does the LM2576D2TR4-5G support TTL shutdown capability?
Yes, it supports TTL shutdown capability with a low power standby mode).
