Richtek RTQ2131B-QA

Description

The RTQ2131B is a 1A, high-efficiency, current modesynchronous step-down converter which is optimized forautomotive applications. The device operates with inputvoltages from 3V to 36V and is protected from load dumptransients up to 42V, eases input surge protection design.The device can program the output voltage between 0.8Vto VIN.

Features

• AEC-Q100 Grade 1 Qualified
• Wide Input Voltage Range - 4V to 36V - 3V to 36V (Soft-start is finished)
• Tight Switching Frequency Variation 2.1MHz 10%Over Operating Ambient Temperature
• Wide Output Voltage Range : 0.8V to VIN
• 5V Fixed Output Voltage ( see Ordering Information for availability)
• Maximum Output Current: 1A
• Peak Current Mode Control
• Integrated 200mΩ Switch and 160mmΩ Synchronous Rectifier
• Built-In Spread-Spectrum Frequency Modulation for Low EMI
• Power Good Indication
• Enable Control
• 0.8V±1.5% Reference Voltage Accuracy
• Adjacent Pin-Short Protection
• Built-In UVLO, UVP, OTP

Typical applications

• Car Camera Module and Car Cockpit Systems / Connected Car Systems / Automotive Systems
• Digital Set Top Boxes / Broadband Communications
• Point of Load Regulator in Distributed Power Systems

More information

• Datasheet
• IC product information