Overview
The LM2575D2T-ADJR4G is a monolithic integrated circuit from onsemi, designed for easy and convenient implementation of a step-down (buck) switching regulator. This device is part of the LM2575 series, which is ideal for applications requiring high efficiency and minimal external components. The LM2575D2T-ADJR4G can drive a 1.0 A load with excellent line and load regulation, making it suitable for a wide range of power supply designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Topology | Buck | |
| Input Voltage | 4.75 V to 40 V | V |
| Output Current-Max | 1 A | A |
| Output Type | Adjustable | |
| Switching Frequency-Max | 52 kHz | kHz |
| Operating Temp Range | -40°C to +125°C | °C |
| Duty Cycle-Max | 98% | % |
| Efficiency | 77% | % |
| No. of Outputs | 1 | |
| Quiescent Current | 9 mA | 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 of 1.23 V to 37 V ±4% Maximum Over Line and Load Conditions
- Guaranteed 1.0 A Output Current
- Wide Input Voltage Range: 4.75 V to 40 V
- 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
The LM2575D2T-ADJR4G is versatile and can be used in various applications, including:
- Power supplies for battery chargers
- Step-down switching regulators in industrial and consumer electronics
- High-efficiency power conversion in automotive and other safety-critical applications (AEC-Q100 qualified)
- Systems requiring minimal external components and high reliability
Q & A
- What is the input voltage range of the LM2575D2T-ADJR4G?
The input voltage range is from 4.75 V to 40 V.
- What is the maximum output current of the LM2575D2T-ADJR4G?
The maximum output current is 1 A.
- What is the switching frequency of the LM2575D2T-ADJR4G?
The switching frequency is fixed at 52 kHz.
- Does the LM2575D2T-ADJR4G have thermal protection?
- What is the package style of the LM2575D2T-ADJR4G?
The package style is TO-263-5 (D2PAK5), and it is a surface mount device.
- Is the LM2575D2T-ADJR4G Pb-free?
- What is the operating temperature range of the LM2575D2T-ADJR4G?
The operating temperature range is from -40°C to +125°C.
- Does the LM2575D2T-ADJR4G have a shutdown feature?
- How many external components are required for the LM2575D2T-ADJR4G?
- Is the LM2575D2T-ADJR4G suitable for automotive applications?
