AP3440ABN122中文资料High-accuracy Step-down DC-DC Converter with 4.5A MOSFET数据手册AKM规格书

描述 Description

The AP3440ABN122 is a synchronous rectification PWM control step-down DC-DC converter of the current mode with excellent transient load response characteristics.
The recommended operational temperature ranges from ?40 to 125ﾟC. It is capable for automotive use that demands high reliability.
The AP3440ABN122 supports input voltage from 4.1V to 5.5V and its output voltage is 1.227V.
The AP3440ABN122 is equipped with Output Over-Current Protection, Output Over-Voltage Protection, Under Voltage Lock Out, Thermal Protection, and Power-good function.

特性 Features

·AP3440ABN seriesMonolithic Step-Down DC-DC Converter with High-Accuracy Power Good：
·Product Name：AP3440ABN111：AP3440ABN122：AP3440ABN182：
·Input Voltage：[V]：4.1 to 5.5V；
·Output Voltage：[V]：1.112V ＋2.07%,－1.80%；1.227V ＋1.96%,－1.79%；1.822V ＋1.81%,－1.87%；
·Output Voltage Monitoring Threshold (H)：[V]：1.164V ＋1.63%,－2.00%；1.280V ±1.64%；1.905V ＋1.63%,－1.68%；
·Output Voltage Monitoring Threshold (L)：[V]：1.063V ＋1.69%,－1.60%；1.172V ±1.62%；1.763V ±1.64%；
·Maximum Output Current：[A]：4.5A；
·Oscillation Frequency：[MHz]：2.1MHz ± 7.14%；
·Operation Temperature：[°C]：-40 to 105°C；
·Package：：28-pin QFN0505；
·Size (D/W/H)：[mm]：5.00mm / 5.00mm / 0.75mm；
·Status：：Available Now：Available Now；Available Now；

应用 Application

Vehicles that require high reliability