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
www.astecpower.com
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
Input Output Output3Efficiency4Model Number
Voltage Voltage Current
3.0V to 3.6V 0.8V to 2.5V 22A 95% ATH22T033-9(S)(J)
4.5V to 5.5V 0.8V to 3.6V 22A 96% ATH22T05 -9(S)(J)
10.8V to13.2V 1.2V to 5.5V 18A 95% ATH18K12 -9(S)(J)
OPTIONS:
“-9J” -Output Trim, TH termination, Tray Packaging
“-9SJ” -Output Trim, SMT termination, Tray Packaging
“-9S” -Output Trim, SMT Ternination, T&R packaging
Pin Assignments
Single Output
PINS
GND :1
Vin :2
Inhibit : 3
Vo Adjust :4
Vo Sense :5
Vout :6
GND :7
Track :8
Margin Down :9
Margin Up :10
Notes:
1. Nominal values apply with sense pins
connected to +Vout and Ground Return
with other control pins unconnected.
2. Pre-Bias startup capability exists for 3.3Vin
and 5Vin devices.
3. Output derating applies at elevated
ambient temperature.
4. Typical efficiency taken at 10A load, 2.5V
output (3.3Vin device); 10A load, 3.3V
output (5Vin device); 10Aload, 5V output
(12Vin device).
5. Consult the technical reference notes when
available.
6. Mechanical Dimensions are nominal values.
7. Auto-Track™ is a trademark of Texas
Instruments.
8. Specification subject to change without
notice.
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. (REV02: OCTOBER 21, 2004)
Through-hole and SMT Outline [in (mm)]