TEXAS INSTRUMENTS LM2574M-5.0/NOPB Buck Switching Regulator, 5V 500mA, SOIC-14
High-efficiency buck regulator, 5V 500mA output, 4-40V input, SOIC-14. Ideal for industrial power management. Low-power standby.
The TEXAS INSTRUMENTS LM2574M-5.0/NOPB is a step-down (buck) switching regulator that delivers a fixed 5V output with a maximum current of 500mA. It provides all the active functions required for a buck converter, ensuring excellent line and load regulation while requiring only four external components, making it simple to integrate into your power supply designs.
This regulator operates with a fixed switching frequency of 52kHz and includes internal frequency compensation and a fixed-frequency oscillator, simplifying the design process. It offers a high-efficiency alternative to traditional three-terminal linear regulators, and thanks to its high efficiency, the copper traces on the PCB often suffice as heat sinking, reducing the need for additional thermal management components.
Key Features
- TTL shutdown capability for power management control
- Low-power standby mode to minimise energy consumption
- High efficiency for reduced power loss
- Uses readily available standard inductors for design flexibility
- Thermal shutdown and current-limit protection for enhanced reliability
- Green product – free from antimony (Sb) and bromine (Br)
- ±4% output voltage tolerance and ±10% oscillator frequency tolerance
Applications
This IC is well-suited for industrial and general power management applications, providing a robust, high-performance solution for a wide range of electronic devices.
Specifications
- Output Type: Fixed
- Topology: Buck (Step-Down)
- Input Voltage Range: 4V to 40V
- Output Voltage: 5V
- Max Output Current: 500mA
- Switching Frequency: 52kHz
- IC Package: SOIC-14 (14 pins)
- Operating Temperature Range: Up to 125°C
- Industrial power management
- General switch-mode power supplies
- Step-down voltage conversion applications
- Output Type: Fixed
- Topology: Buck (Step-Down)
- Input Voltage Min: 4V
- Input Voltage Max: 40V
- Output Voltage: 5V
- Max Output Current: 500mA
- Switching Frequency: 52kHz
- IC Package: SOIC-14 (14 pins)
- Operating Temperature Max: 125°C
- Output Voltage Tolerance: ±4%
- Oscillator Frequency Tolerance: ±10%
- Features: TTL shutdown, low-power standby, high efficiency, thermal shutdown and current-limit protection
- Green Product: No Sb/Br
- Weight: 4.581g
- Height: 43mm
- Width: 33mm
- Depth: 15mm
- Sb/Br Output Type: Fixed
- Output Current: 500mA
- IC Case / Package: SOIC
- of Pins: 14Pins
- Output Voltage Nom: 5V
- Output Voltage - Nom: 5V
- SVHC: No SVHC (27-Jun-2018)
- DC / DC Converter IC Case: SOIC
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