100 Watts
AK45C-20/
AV45C-20
High Efficiency
Total Power:
Input Voltages:
No. of Outputs:
100 Watts
48V
Single
Electrical Specs
Input
Input Range
Input Surge
Efficiency
36 to 75 VDC
100V /100ms
5V @ 89% Typ
3.3V @ 86% Typ
2.5V @ 84% Typ
Output
Load Regulation
0.2% typical down to no load
(output 5V and above)
10mV typical down to no load
(output below 5V)
0.1% typical
(output 5V and above)
10mV typical
(output below 5V)
±1%
100mV max typ
Up to 0.5V
5% max deviation with 25% to 75% full
(output 5V and above)
200mV (output below 5V)
500µs (max) recovery
130% nominal output
(output 5V and above)
160% nominal output
(1.8V and 2V)
140% nominal output
(3.3V output)
115% nominal output
375kHz (typ)
Special Features
• High efficiency
• Industry standard package
1.45" x 2.28" x 0.5"
• High capacitive load limit on start-up
• Industry Standard features: UVLO, OVP, OCP,
OTP, Output Enable, Differential Remote
Sense
• Regulation to zero load
• Fixed frequency switching
• Basic insulation
Environmental
Operating case temperature range:
-40°C to +100°C
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Voltage Tolerance
Noise/Ripple
Remote sense
Transient Response
Overvoltage Protection
Current Limit
Switching Frequency
Line Regulation
Control
Enable
Voltage Adjust
Storage temperature: -55°C to +105°C
Overtemperature protection: 110°C typical
MTBF: > 1 million hours
90 to 110% Vo (1.8 V)
80 to 110% Vo (2.5, 3.3, 5 V)
TTL compatible
(Positive or Negative enable options)
Safety
AK45C:
UL,cUL 1950
TUV
EN60950
Basic Insulation
AV45C:
UL
1950
CSA
22.2-950-95
TUV
EN60950
Operational Insulation
2
North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662
AMERICAS
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
EUROPE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
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
Ordering Information
Input
Voltage
48V
48V
48V
48V
48V
48V
48V
48V
Output
Voltage
1.5V
1.8V
3.3V
5V
1.8V
2.5V
3.3V
3.3V
Output
Current
20A
20A
20A
20A
20A
20A
20A
20A
Efficiency
2
Model Number
85% Min
85% Min
89% Min
90% Min
81% min (84% typ)
84% min (86% typ)
86% min (88% typ)
86% min (88% typ)
AV45C-048L-015F20HA (N)
AV45C-048L-050F20HA (N)
AV45C-048L-050F20HA (N)
AV45C-048L-050F20HA (N)
-
-
-
-
(6)(8)
(6)(8)
(6)(8)
(6)(8)
AK45C-048L-018F20HA (N) - (6)(8)
AK45C-048L-025F20HA (N) - (6)(8)
AK45C-048L-033F20HA (N) - (6)(8)
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.
2.
3.
4.
5.
6.
7.
8.
9.
10.
+Vin
No Pin
Enable
No Pin
- VIN
-Vout
- Sense
Trim
+Sense
+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.
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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)
www.astecpower.com
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