Overview
The LM2576D2T-012G is a monolithic integrated circuit from ON Semiconductor, designed as a step-down switching regulator. This device is part of the LM2576 series, which is ideal for easy and convenient design of step-down (buck) regulators. It offers high efficiency, a wide input voltage range, and various fixed and adjustable output voltage options. The LM2576D2T-012G is particularly suited for applications requiring a reliable and efficient power management solution.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 7 to 40 | V |
| Output Voltage | 12 V (fixed) | V |
| Output Current Capability | 3 A | A |
| Switching Frequency | 52 kHz | kHz |
| Operating Junction Temperature Range | -40 to +125 | °C |
| Output Voltage Tolerance | ±4% (max over line and load conditions) | % |
| Oscillator Frequency Tolerance | ±10% (±2% over 0°C to 125°C) | % |
| Standby Current | 80 μA (typical) | μA |
| Package Type | TO-263-6, D2PAK (5 Leads + Tab) |
Key Features
- Fixed output voltage of 12 V, with other versions offering 3.3 V, 5.0 V, 15 V, and adjustable output options.
- Guaranteed 3.0 A output current.
- Wide input voltage range from 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 and thermal shutdown for protection.
- Uses readily available standard inductors.
- Moisture sensitivity level (MSL) equals 1, and Pb-free packages are 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 input voltage range of the LM2576D2T-012G? The input voltage range is from 7 V to 40 V.
- What is the fixed output voltage of the LM2576D2T-012G? The fixed output voltage is 12 V.
- What is the maximum output current capability of the LM2576D2T-012G? The maximum output current capability is 3 A.
- What is the switching frequency of the LM2576D2T-012G? The switching frequency is 52 kHz.
- What is the operating junction temperature range of the LM2576D2T-012G? The operating junction temperature range is from -40°C to +125°C.
- Does the LM2576D2T-012G have thermal shutdown protection? Yes, it includes thermal shutdown and current limit protection.
- What type of package does the LM2576D2T-012G come in? It comes in a TO-263-6, D2PAK (5 Leads + Tab) package.
- Is the LM2576D2T-012G Pb-free and what is its moisture sensitivity level? Yes, it is Pb-free, and its moisture sensitivity level (MSL) equals 1.
- What are some common applications of the LM2576D2T-012G? Common applications include simple high-efficiency step-down regulators, efficient pre-regulators for linear regulators, on-card switching regulators, and power supplies for battery chargers.
- How many external components are required for the LM2576D2T-012G to operate? It requires only 4 external components.
