AP3440ABN122
EOL
High-accuracy Step-down DC - DC Converter with 4.5A MOSFET
High-accuracy Step-down DC - DC Converter with 4.5A MOSFET
EOL
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°C to 125°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.
Key Features
Protection function Equipped with output overcurrent protection, output overvoltage protection, low input voltage protection, and overheat protection.
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.
Applications
Vehicles that require high reliability
Specifications
Part Number |
AP3440ABN122 |
---|---|
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] |
1.227 |
Output Current (MAX.) [A] |
4.5 |
Other |
Automotive grade |
Operating Temperature [℃] |
-40 to 125 |
Device Package |
HWQFN |
Number of Pins |
28 |
Product Information
Part Status |
EOL |
---|---|
Pb Free |
Yes |
Halogen Free |
Yes |
MSL |
MSL3 |
Packaging |
TAPE |
JEDEC Standard Packaging |
Compliant |
Minimum Order Quantity [pcs.] |
1000 |
Replacement P/N |
Block Diagram