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Datasheet: AA20C (Astec America, Inc.)

20 Watts

 

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Astec America, Inc.
Special Features
Electrical Specs
20 Watts
AA20C
20 W, Single output
2:1 Input range
Unencapsulated package
1.6" x 2.0" x 0.38 case
Replaces AA20B series
Industry standard package
Operating base temperature range:
-40C to +105C (full load, no derating)
Storage temperature: -55C to +125C
Humidity: 5% to 95% (non-condensing)
EMI RFI Shielding: Six sided (except 033-M1)
MTBF: 361,000 hours (MIL HDBK-217)
UL
UL1950 Recognition
CSA
CSA22.2-950 Recognition
TUV
EN60950 Recognition
Input
Input range
36 to 75 VDC
Input capacitance
1.6F typ (48 models)
No load input power
150mW max
Efficiency
84% typical (5V)
Output
Voltage tolerance
1.0%
Overall regulation
2% max
Noise/ripple
1% (mV P-P)
Short circuit protection
Continuous Power Cycle
Overvoltage protection
Zener Clamp (125% of nom)
Transient response
1 msec typical (50% step load
change to within 1%Vo)
Temperature Coefficient
0.02 C
Switching frequency
400kHz
Isolation
I/O isolation
1500 VDC
Isolation resistance
1 x 109 (Ohms)
Isolation capacitance
220pF
Environmental
Total Power:
20 Watts
Input Voltages:
48V
No. of Outputs:
Single
Safety
A
s
t
e
c
Indu
str
y
S
t
andard
America's (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
28
W9959_02_DCDC_001-073_73 2/8/02 3:19 PM Page 28
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
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
Input
Output
Efficiency
Model Number
Voltage
Voltage
36-75 V
3.3V @ 6.0 A
79%
AA20C-048L-0335-M1
36-75 V
5.0V @ 4.0 A
84%
AA20C-048L-050S
36-75 V
12V @ 2.0 A
87%
AA20C-048L-120S
NOTES:
Enable Function
"1" = negative logic enable (std, without "1 or 4" = no enable)
"4" = positive logic enable (std, without "1 or 4" = no enable)
Trim Feature
"9" = Trim feature (std, without "9" no Trim)
Single Output
1.
+Vin
2.
-Vin
3.
No pin
4.
Enable
5.
No pin
6.
Output 1
7.
COM
8.
Trim
Note:
Pins 0.040 in Dia x 0.15 in min
Warranty: 1 yr
Case Material: Metal base/cover
Weight: 2.0 oz./56 grams.
Pin Assignments
A
A20C
A
s
t
e
c
Indu
str
y
S
t
andard
0.40
(10.15)
0.15 MIN
(3.81)
0.40 (1.01)
DIA TYP
0.70
(17.75)
1.60
(40.64)
0.40
(10.16)
0.20
(5.08)
0.20
(5.08)
.40
(10.16)
.40
(10.16)
.40
(10.16)
1.80
(45.72)
2.00
(50.80)
0.10 (2.54)
BOTTOM VIEW
ALL DIMENSIONS ARE IN INCHES (mm)
1
2
3
4
5
6
7
8
6
TRIM DOWN
8
TRIM UP
7
8
6
ADJ.
7
8
TRIM DOWN
TRIM UP
TRIM
SINGLE OUTPUT
29
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W9959_02_DCDC_001-073_73 2/8/02 3:19 PM Page 29
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