The Texas Instruments LM5109BQNGTTQ1 is a highly integrated step-down (buck) converter that offers a wide input voltage range and high efficiency. It is designed to provide a stable output voltage for a variety of applications, including automotive, industrial, and telecom systems.
Description:
The LM5109BQNGTTQ1 is a synchronous, step-down converter with a wide input voltage range of 4.5V to 60V. It has a typical output voltage range of 0.9V to 5.5V and can deliver a continuous output current of up to 3A. The device is available in a compact 20-pin, 3mm x 4mm QFN package.
Features:
- Wide input voltage range: 4.5V to 60V
- High efficiency: up to 96% efficiency
- Tight output voltage regulation: ±1%
- Programmable soft-start
- Over-current protection
- Over-temperature protection
- Output short-circuit protection
- Enable/Disable control
- Programmable output voltage tracking
- Low quiescent current: 35µA (typical)
Applications:
- Automotive systems: Infotainment systems, instrument clusters, and head units
- Industrial systems: Motor drives, industrial control systems, and programmable logic controllers
- Telecom systems: Base stations, routers, and network switches
- General purpose power supply: Portable devices, battery chargers, and power adapters
- Medical equipment: Patient monitoring devices, medical imaging systems, and diagnostic equipment
- Lighting systems: LED drivers for streetlights, commercial lighting, and residential lighting
- Consumer electronics: Portable media players, smartphones, and tablets
The LM5109BQNGTTQ1 is a versatile and efficient step-down converter that can be used in a wide range of applications requiring a stable and regulated output voltage. Its compact size, high efficiency, and integrated protection features make it an ideal choice for space-constrained and power-sensitive applications.