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AP3440ABN182 - High-Accurate Step-Down DC-DC Converter

Datasheet Summary

Description

The AP3440 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 125ºC.

It is capable for automotive use that demands high reliability.

Features

  • Input Voltage Range : 4.1V ~ 5.5V Output Voltage : 1.822V (+1.81%, 1.87%) Output Current Peak : 4.5A Oscillation Frequency : 2100 kHz External Synchronization (supporting Master/Slave mode), Frequency Range : 1800kHz ~ 2250kHz Integrated Power MOSFET Soft Start Function High-Accurate Power-Good Function Discharging Function of Output Capacitor Protection Functions: Over Current, Over Voltage, Under Voltage Lock Out and Thermal Protections Recommended Operational Temperature Range:.

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Datasheet Details

Part number AP3440ABN182
Manufacturer AKM
File Size 0.99 MB
Description High-Accurate Step-Down DC-DC Converter
Datasheet download datasheet AP3440ABN182 Datasheet
Additional preview pages of the AP3440ABN182 datasheet.

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Full PDF Text Transcription

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[AP3440] AP3440ABN182 High-Accurate Step-Down DC-DC Converter with 4.5A MOSFET 1. General Description The AP3440 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 125ºC. It is capable for automotive use that demands high reliability. The AP3440 supports input voltage from 4.1V to 5.5V and its output voltage is 1.822V. It integrates power MOSFET corresponding to a 4.5A output current at the maximum. The AP3440 is equipped with Output Over-Current Protection, Output Over-Voltage Protection, Under Voltage Lock Out, Thermal Protection, and Power-good function. The AP3440 is housed in a 28-pin QFN0505 package. 2.
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