Overview
The LM2576D2T-005G is a step-down switching regulator produced by onsemi. This monolithic integrated circuit is designed for easy and convenient implementation of a step-down (buck) converter. It is part of the LM2576 series, which is known for its high efficiency and simplicity in power supply design. The LM2576D2T-005G is specifically configured to provide a fixed output voltage of 5.0 V and can drive loads up to 3.0 A.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Outputs | 1 | |
| Input Voltage - Min | 7 | V |
| Input Voltage - Max | 40 | V |
| Output Voltage | 5.0 | V |
| Maximum Output Current | 3.0 | A |
| Switching Frequency | 52 | kHz |
| Oscillator Frequency Tolerance | ±10% | |
| Output Voltage Tolerance | ±4% | |
| Operating Junction Temperature Range | -40 to +125 | °C |
| Standby Current | 80 μA (typical) |
Key Features
- Fixed output voltage of 5.0 V with ±4% tolerance over line and load conditions
- Guaranteed 3.0 A output current
- Wide input voltage range: 7 V to 40 V
- Requires only 4 external components for operation
- 52 kHz fixed frequency internal oscillator
- TTL shutdown capability with low power standby mode
- High efficiency, especially with higher input voltages
- Uses readily available standard inductors
- Thermal shutdown and cycle-by-cycle current limiting for protection
- Pb-free packages available
Applications
- Simple high-efficiency step-down (buck) regulators
- Efficient pre-regulators for linear regulators
- On-card switching regulators
- Positive to negative converters (buck-boost)
- Negative step-up converters
- Power supplies for battery chargers
Q & A
- What is the maximum output current of the LM2576D2T-005G?
The maximum output current is 3.0 A.
- What is the fixed output voltage of the LM2576D2T-005G?
The fixed output voltage is 5.0 V.
- What is the input voltage range for the LM2576D2T-005G?
The input voltage range is from 7 V to 40 V.
- What is the switching frequency of the LM2576D2T-005G?
The switching frequency is 52 kHz.
- Does the LM2576D2T-005G have thermal shutdown protection?
- How many external components are required for the LM2576D2T-005G to operate?
- What is the typical standby current of the LM2576D2T-005G?
The typical standby current is 80 μA.
- Is the LM2576D2T-005G available in Pb-free packages?
- What are some common applications of the LM2576D2T-005G?
- What is the operating junction temperature range for the LM2576D2T-005G?
