Texas Instruments

LM27403SQ/NOPB

LM27403SQ/NOPB Description

The LM27403SQ/NOPB is a high-performance, single-output, synchronous buck regulator designed by Texas Instruments. This device is part of the DC-DC Switching Controllers category and is currently active in the market. With a switching frequency range of 200kHz to 1.2MHz, it is suitable for a wide range of applications. The LM27403SQ/NOPB operates with a supply voltage range of 3V to 20V, making it versatile for various power requirements.

LM27403SQ/NOPB Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 200kHz to 1.2MHz
• Synchronous Rectifier: Yes
• Topology: Buck
• Control Features: Enable, Frequency Control, Power Good, Soft Start, Tracking
• Duty Cycle (Max): 93%
• Number of Outputs: 1
• Output Phases: 1
• Mounting Type: Surface Mount
• Clock Sync: Yes
• Voltage - Supply (Vcc/Vdd): 3V to 20V
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• REACH Status: REACH Unaffected
• ECCN: EAR99
• Package: Tape & Reel (TR)
• Base Product Number: LM27403

LM27403SQ/NOPB Applications

The LM27403SQ/NOPB is ideal for applications requiring a compact, efficient, and reliable power solution. Some specific use cases include:

1. Portable Electronics: Due to its low voltage operation and small form factor, it is suitable for powering portable devices like smartphones, tablets, and wearables.
2. Industrial Control Systems: Its robust performance and synchronous rectification make it suitable for industrial applications where efficiency and reliability are critical.
3. Automotive Systems: The LM27403SQ/NOPB can be used in automotive systems for power management, such as infotainment systems and sensor power supplies.

Conclusion of LM27403SQ/NOPB

The LM27403SQ/NOPB from Texas Instruments stands out for its versatility, efficiency, and robust control features. Its wide supply voltage range, high switching frequency, and synchronous rectification make it an excellent choice for a variety of applications, from portable electronics to industrial and automotive systems. With its RoHS3 compliance and REACH unaffected status, it also meets the latest environmental standards. The LM27403SQ/NOPB is a reliable and efficient solution for designers looking to implement a high-performance buck regulator in their next project.