RAA211403中文资料40V, 300mA ultra-low quiescent current Step-down regulator 3.3V fixed output数据手册Renesas规格书

描述 Description

The RAA211403 is a tiny, easy-to-use, ultra-low quiescent current (IQ) buck regulators with wide input voltage range of 7V to 40V, up to 300mA output current with fixed 3.3V output.

The device offers comprehensive protections, including VIN UVLO, VOUT OVP, overcurrent, and over-temperature protections.

The device comes in a TSOT23-5 package.

特性 Features

• 7V to 40V input supply range
• Up to 300mA output current
• IQ = 4μA at 40V, at no load conditions, switching
• IQ = 2.5μA at 40V at no load and no switching conditions
• Fixed 3.3V VOUT
• Minimum on-time of 75ns
• Variable frequency operation, frequency programmed by external inductor (4.7μH to 15μH)
• Pre-bias, monotonic, and smooth start-up
• Protections: Overcurrent (OC) Limit, input Undervoltage Lockout (UVLO), Over-Temperature Protection (OTP), output Overvoltage Protection (OVP)
• Accurate EN threshold
• Package: TSOT23-5 (2.9 mm × 1.63 mm)

应用 Application

应用
• General purpose or LDO replacement
• Industrial power supplies
• Embedded systems and I/O supplies
• E-Bikes, Power tools
• Home/Industrial Automation