IFX90121ELV50数据手册集成电路（IC）的稳压器-DC-DC开关稳压器规格书PDF

描述 Description

Fixed 5V, 500mA, 2.2 MHz Step-Down Converter with low quiescent current and integrated power transistor

特性 Features

• 500 mA step down voltage regulator
• 5 V Output voltage
• ± 2% output voltage tolerance
• Low quiescent current (less than 45μA at nominal input voltage)
• Integrated power transistor
• Current mode PWM regulation
• PFM mode for light load current
• Input voltage range from 4.75V to 45V
• 2.2 MHz switching frequency
• 100% Duty cycle
• Synchronization input
• Very low shutdown current consumption (<2 μA)
• Soft-start function
• Input under voltage lockout
• Suited for industrial applications: Tj = -40 °C to +125 °C
• Green Product (RoHS compliant

优势:
• High switching frequency of 2.2MHz allows use of small inductors and capacitors hence minimizing board space required
• Low quiescent current in shutdown makes the device suitable for battery powered systems
• Pulse Frequency Modulation to optimize efficiency in light load conditions

应用 Application

• Battery powered systems
• Smart Metering
• General purpose industrial applications

简介

IFX90121ELV50属于集成电路（IC）的稳压器-DC-DC开关稳压器。由制造生产的IFX90121ELV50稳压器 - DC-DC 开关稳压器DC-DC 开关稳压器 PMIC（电源管理集成电路）产品族中的产品是元器件级设备，用于需要稳定 DC 输入电压和/或将其转换为不同幅度的输出电压的应用。这些器件与称为“控制器”PMIC 的类似产品的区别在于集成了主开关元件，设备提供的电力会通过该元件。