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News
AKM releases a DC-DC Converter for Secondary Power Supply with ±2% Power Good Function; the AP3440 series for Automotive Applications
2017-02-10 | ReturnProduct 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 |
||||||
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.
Related Content
Power Control ICs
Source:http://www.akm.com/