North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
2
Special Features
Electrical Specs
2
Special Features
Electrical Specs
60 Watts
APA18
(18 Amps)
· Point of load (POL) applications
· High Current slew rate at 2.5A/us
1
· Open frame SIP
· High efficiency, 3.3V @ 95% (Typ)
· Adjustable Output through external resistor
programming
· -40°C to +85°C Ambient operating temperature
· UVLO protection
· Positive Enable function
· Low output ripple and noise
· Regulation to zero load
Environmental
Operating temperature
-40°C to +85°C (Ambient temperature)
Storage temperature: -40°C to +125°C
MTBF: >1 million hours
Input
Input range
3.0V to 5.5V
Efficiency
3.3V @ 95% (Typ)
Control
Enable
TTL compatible
(positive enable)
Output
Line Regulation
<0.5%
Load Regulation
0.75Vo
10mV
0.75 < Vo < 3.3V
15mV
3.3V
Vo
30mV
Load Current
18A max (Po
60W)
Ripple and noise
50mVp-p
Output Adjust Range
0.75V - 3.3V
Current Slew Rate
up to 2.5A/µS
Transient Response
1
300mV typical deviation (3.3V
o
)
for 50% to 100% step load
100 µS recovery
Remote Sense
10% of Vo
Turn On Input Voltage
3.0V (Typical)
OCP/OTP
Hiccup - auto recovery
Isolation
Non-Isolated module
Specifications subject to change without notice.
Note: 1. with output capactior of 100uF Tantalum + 1 uF
Ceramic cap
Safety
UL, cUL 609500 Recognized (Pending)
TUV
EN60950 Licensed (Pending)
Total Power:
60 Watts
Input Voltages:
3.0V to 5.5V
No. of Outputs:
Single
EUROPE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
AMERICAS
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
3
Ordering Information
ASIA
Units 2111-2116, Level 21
Tower1, Metroplaza
223, Hing Fong Road
Fwai Fong, New Territories
Hong Kong
Telephone: 852-2437-9662
Facsimile: 852-2402-4426
3
Ordering Information
www.astecpower.com
Notes:
1. All specifications are typical at nominal line, full load
and 25°C ambient temperature unless otherwise
noted.
2. All specifications subject to change without notice.
Mechanical drawings are for reference only
3. Technical Reference Notes should be consulted for
detailed information
4. Warranty: 1yr
Input
Output
Output Current
Efficiency
Model
Voltage
Voltage
Full Load (Typ)
Number
3.0V - 5.5V
0.75 to 3.6V
18A
95%
APA18T04-9
3.0V - 5.5V
0.75 to 3.6V
18A
95%
APA18T04-9H
Note:
- 18A max output current with total output power limited to 60W - minimal output derating required
- Typical Efficiency for 3.3V output; full load; nominal input voltage; 200LFM at T
A
=25 ºC
- Suffix "H" for Horizontal pins
Mechanical Dimensions - Vertical type
* Astec reserves the right to make changes to the information contained
herein without notice and assumes no liability as a result of its use or
application. (REV B: August, 2005)
Pin Assignment
PDF 
ZIP