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Pin Assignments
Astec Power
5810 Van Allen Way
Carlsbad, CA 92008
USA
Telephone: +1 760 930 4600
Facsimile:
+1 760 930 0698
Technical Support: +1 888 41 ASTEC
or +1 407 241 2752
Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX
United Kingdom
Telephone: +44 (0) 1384 842 211
Facsimile:
+44 (0) 1384 843 355
Units 2111-2116, Level 21
Tower 1, Metroplaza
223, Hing Fong Road
Kwai Fong, New Territories
Hong Kong
Telephone: +852 2437 9662
Facsimile:
+852 2402 4426
For global contact, visit:
www.astecpower.com
technicalsupport@astec.com
While every precaution has been taken to ensure
accuracy and completeness in this literature, Astec
Power assumes no responsibility, and disclaims
all liability for damages resulting from use of this
information or for any errors or omissions.
Printed in USA
Ordering Information
Input Voltage Output Voltage Output Current Efficiency
36V to 75V
1.2V
Model Number
DTX42K48-S
42A
86% (Typ)
Rev. 09.29.05
DTXSeries
2 of 2
Power Train
Pin No
Symbol
1
2
3
4
5, 7, 9
6, 8, 10 -Vout
11
+Vin
Enable
-Vin
+Sense
+Vout
-Sense
PMBus
TM
Pin No
Symbol
12
13
15
PMBus SDA
PMBus SCL
PMBus Gnd
ADC Input
Pin No
Symbol
14
ADC Ext
Programming
3
Pin No
Symbol
16
17
18
19
20
21
22
C2Bus Gnd
C2CK
C2D
-Vin
C2CK300
C2D 300
C2_Prog Bias
Mechanical Outline
Notes:
1. All specifications are typical at nominal line, full load and TA= 25 °C unless otherwise
noted.
2. Measurements taken with output capacitive termination: 10mF tantalum in parallel
with 0.1mF ceramic capacitor.
3. Programming pins for advance feature sets / customer specific features not required
for normal operation.
4. Technical reference Notes should be consulted for detailed information when
available.
5. All specifications subject to change without notice.