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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 Output Efficiency
2
Voltage Voltage Current
Model Number
48V 1.5V 20A 85% Min AV45C-048L-015F20HA (N) - (6)(8)
48V 1.8V 20A 85% Min AV45C-048L-050F20HA (N) - (6)(8)
48V 3.3V 20A 89% Min AV45C-048L-050F20HA (N) - (6)(8)
48V 5V 20A 90% Min AV45C-048L-050F20HA (N) - (6)(8)
48V 1.8V 20A 81% min (84% typ) AK45C-048L-018F20HA (N) - (6)(8)
48V 2.5V 20A 84% min (86% typ) AK45C-048L-025F20HA (N) - (6)(8)
48V 3.3V 20A 86% min (88% typ) AK45C-048L-033F20HA (N) - (6)(8)
48V 3.3V 20A 86% min (88% typ) AK45C-048L-033F20HAN-6T
7
OPTIONS:
"N" = designates Negative Logic Enable (default is Positive Enable with no suffix “N” required)
“-6” = designates 3.7mm pin length (default pin length is 5mm with no suffix required)
“-8” = designates 2.8mm pin length
Pin Assignments
Single Output
1. +Vin
2. No Pin
3. Enable
4. No Pin
5. - VIN
6. -Vout
7. - Sense
8. Trim
9. +Sense
10. +Vout
Notes:
1. 20 MHz bandwidth. External 10 uF tant. capacitor in
parallel with 1 uF ceramic capacitor placed across
the output and secondary return ground.
2. Efficiency measurements are typical values taken at
full load, nominal line and T
A
= 25°C.
3. All specifications are typical at nominal line, full load
and T
A
= 25°C unless otherwise noted.
4. All specifications subject to change without notice.
5. Mechanical drawings are for reference only.
Dimensions are in inches [millimeters]. Pin
placement tolerance ± 0.005 [0.127]. Mechanical
Tolerance ± 0.02 [0.5].
= 0.060” for Pins 6&10, the
rest are
= 0.040”.
6. Technical Reference Notes should be consulted for
detailed information when available.
7. Tuned model for specific application.
8. Warranty 1yr.
Astec reserves the right to make changes to the information
contained herein without notice and assumes no liability as a
result of its use and application. (REV 02: OCTOBER 28, 2004)