Description

The CS51411EDR2G is a 1.5 A buck regulator IC used in electronic components. It operates at fixed frequencies of 260 kHz and 520 kHz and uses the V2 control architecture to provide exceptional transient response, regulation, and loop compensation for high-speed logic applications. This regulator can handle input voltages ranging from 4.5 V to 40 V.

Specifications and features

• V2 Architecture Provides Ultra–Fast Transient Response, Improved Regulation and Simplified Design
• 2.0% Error Amp Reference Voltage Tolerance
• Switch Frequency Decrease of 4:1 in Short Circuit Conditions Reduces Short Circuit Power Dissipation
• BOOST Lead Allows “Bootstrapped” Operation to Maximize Efficiency
• Sync Function for Parallel Supply Operation or Noise Minimization
• Shutdown Lead Provides Power–Down Option
• 85 µA Quiescent Current During Power–Down
• Thermal Shutdown
• Soft Start
• Pin–Compatible with LT1375 and LT1376

Application Scenarios

This buck regulator IC is suitable for various electronic component applications where fast transient response, improved regulation, and simplified design are required. It can be used in high-speed logic circuits, power supplies, and other systems where efficient voltage regulation is essential.

Comparison

- The V2 architecture provides ultra-fast transient response, improved regulation, and simplified design.

- The regulator has a wide input voltage range of 4.5 V to 40 V.

- It can operate at fixed frequencies of 260 kHz and 520 kHz.

- The regulator is pin-compatible with LT1375 and LT1376, making it easy to replace existing components.

- The regulator has a quiescent current of 85 µA during power-down, which may add some power consumption to the system.