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AKM releases a DC-DC Converter for Secondary Power Supply with ±2% Power Good Function; the AP3440 series for Automotive Applications

2017-02-10 | Return

Product name
AP3440ABN111/122/182
Product Category :
Power management > Power supply control IC >Step-down DC-DC converter
Title
Monolithic Step-Down DC-DC Converter with High-Accuracy Power Good
Applications
Automotive ECU, Advanced Driver Assistance System (ADAS)

Description

Asahi Kasei Microdevices Corporation, (AKM), has launched the AP3440 series, 4.5A drive high-efficiency DC-DC converter for automotive ECU applications requiring high-speed processing.

The AP3440 integrates a high-precision power good function. It is suitable for a power supply of CPU core and DDR that are used in a high reliability required system such as ADAS.

The AP3440 series is available in 1.112V, 1.227V, 1.822V output voltage to meet various system requirements.



● Supporting High Reliability      ● Downsizing PCB                     ● 150°C warranty
Systems                                        The AP3440 integrates a            Electrical characteristics are
The output voltage is                   MOSFET that can supply            guaranteed in Tj = -40 to 150°C,
constantly 
monitored by              maximum output current of        assuming operation environments
±2% high precision 
power         4.5A in a 5mm × 5mm 28-          that require high reliability.
good function. When the             pin QFN package with a heat
output voltage is in an                 dissipation pad on the back 
abnormal 
state, the AP3440      surface.2.1MHz operation
sends the error 
flag signal         helps miniaturizing peripheral 
to microcomputers
promptly.     components. Therefore, a
It supports a fail-safe                   printed circuit board can be

environment with appropriate    downsized.
data 
saving processing.

Specification

AP3440ABN series                                                  

Monolithic 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


[Notes]

* Information on this page is current on the date of press release.

* AKM is trademark of Asahi Kasei Microdevices Corporation in Japan, Europe and the United States.

* Appellations, company names and product names on this page are trademarks or registered trademarks of respective companies.

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Source:http://www.akm.com/