Overview
The LM2576D2T-ADJG is a monolithic integrated circuit from onsemi, designed as a step-down switching regulator (buck converter). This device is part of the LM2576 series, which is ideal for easy and convenient design of high-efficiency power supplies. The LM2576D2T-ADJG is capable of driving a 3.0 A load with excellent line and load regulation, making it suitable for a variety of applications requiring reliable and efficient voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Topology | Buck | |
| Input Voltage | 3V to 40V | V |
| Output Current - Max | 3A | A |
| Output Type | Adjustable | |
| Switching Frequency - Max | 52kHz | kHz |
| Operating Temperature Range | -40°C to +125°C | °C |
| Duty Cycle - Max | 98% | % |
| Efficiency | Up to 88% | % |
| No. of Outputs | 1 | |
| Quiescent Current | 9mA | mA |
| Storage Temperature Range | -65°C to +150°C | °C |
| Moisture Sensitivity Level | 1 | |
| Package Style | TO-263-5 (D2PAK5) | |
| Mounting Method | Surface Mount |
Key Features
- 3.3 V, 5.0 V, 12 V, 15 V, and Adjustable Output Versions
- Adjustable Version Output Voltage Range: 1.23 to 37 V ±4% Maximum Over Line and Load Conditions
- Guaranteed 3.0 A Output Current
- Wide Input Voltage Range
- Requires Only 4 External Components
- 52 kHz Fixed Frequency Internal Oscillator
- TTL Shutdown Capability, Low Power Standby Mode
- High Efficiency
- Uses Readily Available Standard Inductors
- Thermal Shutdown and Current Limit Protection
- Moisture Sensitivity Level (MSL) Equals 1
- Pb-Free Packages are Available
Applications
- Simple High-Efficiency Step-Down (Buck) Regulator
- Efficient Pre-Regulator for Linear Regulators
- On-Card Switching Regulators
- Positive to Negative Converter (Buck-Boost)
- Negative Step-Up Converters
- Power Supply for Battery Chargers
Q & A
- What is the maximum output current of the LM2576D2T-ADJG?
The maximum output current is 3.0 A.
- What is the input voltage range for the LM2576D2T-ADJG?
The input voltage range is from 3V to 40V.
- What is the switching frequency of the LM2576D2T-ADJG?
The switching frequency is 52 kHz.
- What is the operating temperature range for the LM2576D2T-ADJG?
The operating temperature range is from -40°C to +125°C.
- How many external components are required for the LM2576D2T-ADJG?
Only 4 external components are required.
- Does the LM2576D2T-ADJG have thermal shutdown protection?
- What is the quiescent current of the LM2576D2T-ADJG?
The quiescent current is 9 mA.
- Is the LM2576D2T-ADJG available in Pb-free packages?
- What is the moisture sensitivity level (MSL) of the LM2576D2T-ADJG?
The MSL is 1.
- What is the package style of the LM2576D2T-ADJG?
The package style is TO-263-5 (D2PAK5).
