Datasheet4U Logo Datasheet4U.com

AP3440ABN122 - High-Accurate Step-Down DC-DC Converter

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 : 1.227V (+1.96%, 1.79%) 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:.

📥 Download Datasheet

Datasheet Details

Part number AP3440ABN122
Manufacturer AKM
File Size 0.99 MB
Description High-Accurate Step-Down DC-DC Converter
Datasheet download datasheet AP3440ABN122 Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
AP3440 2MHZ HIGH PERFORMANCE SYNCHRONOUS BUCK CONVERTER Diodes Incorporated
AP3441 3A STEP-DOWN DC-DC BUCK CONVERTER Diodes
AP3441L 3A STEP-DOWN DC-DC BUCK CONVERTER Diodes
AP3445 2A STEP-DOWN DC-DC BUCK CONVERTER Diodes
AP3445L 2A STEP-DOWN DC-DC BUCK CONVERTER Diodes

Other Datasheets by AKM

Part Number Description
AP3440ABN182 High-Accurate Step-Down DC-DC Converter
AP3603 High Power Dual Output Step-Up DC-DC Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
[AP3440] AP3440ABN122 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 1.227V. 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.
Published: |