AP3440ABN182

MP

High-accuracy Step-down DC - DC Converter with 4.5A MOSFET

High-accuracy Step-down DC - DC Converter with 4.5A MOSFET

MP

Description

The AP3440ABN182 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°C to 125°C. It is capable for automotive use that demands high reliability. 
 The AP3440ABN182 supports input voltage from 4.1V to 5.5V and its output voltage is 1.822V. 
 The AP3440ABN182 is equipped with Output Over-Current Protection, Output Over-Voltage Protection, Under Voltage Lock Out, Thermal Protection, and Power-good function.

Key Features

  • Power good function
    A function to output a flag when the set voltage value is reached, so that a power supply sequence can be set up.
  • Protection function
    Equipped with output overcurrent protection, output overvoltage protection, low input voltage protection, and overheat protection.

Applications

  •                                 Vehicles that require high reliability
                                

Specifications

Part Number
AP3440ABN182
Number of Outputs
1
Topology
Step - down
Synchronous
Yes
Power MOSFET
Internal
Input Voltage (MIN.) [V]
4.1
Input Voltage (TYP.) [V]

                                
Input Voltage (MAX.) [V]
5.5
Output Voltage [V]
1.822
Output Current (MAX.) [A]
4.5
Other
Automotive grade
Operating Temperature [℃]
-40 to 105
Device Package
HWQFN
Number of Pins
28

Product Information

Part Status
MP
Pb Free
Yes
Halogen Free
Yes
MSL
MSL3
Packaging
TAPE
JEDEC Standard Packaging
Compliant
Minimum Order Quantity [pcs.]
1000
Replacement P/N

                                

Block Diagram

Block Diagram