Model Selection Guide
Input
Current (mA)
Output
Fuse Rating
Slow-Blow
(mA)
Voltage (VDC)
Model
Reflected
Ripple
Current
(mA, Typ)
Efficiency
(%, Typ)
Voltage Current
(VDC) (mA, Max) (mA, Min)
Current
Number
Nominal
Range
Full-Load No-Load
A301RW
A302RW
A303RW
A304RW
A305RW
A306RW
A307RW
A311RW
A312RW
A313RW
A314RW
A315RW
A316RW
A317RW
A321RW
A322RW
A323RW
A324RW
A325RW
A326RW
A327RW
A331RW
A332RW
A333RW
A334RW
A335RW
A336RW
A337RW
5
5
5
5
5
5
5
4.5 - 9.0
4.5 - 9.0
4.5 - 9.0
4.5 - 9.0
4.5 - 9.0
566
685
779
779
694
800
800
223
267
305
305
271
313
313
109
132
149
149
132
152
152
55
40
40
40
40
40
40
40
20
20
20
20
20
20
20
5
5
5
5
5
5
5
3
3
100
100
100
100
100
100
100
30
30
30
30
30
30
30
15
15
15
15
15
15
3.3
5.0
12.0
15.0
5.0
12.0
15.0
3.3
600.0
500.0
250.0
200.0
250.0
125.0
100.0
600.0
500.0
250.0
200.0
250.0
125.0
100.0
600.0
500.0
250.0
200.0
250.0
125.0
100.0
600.0
500.0
250.0
200.0
250.0
125.0
100.0
60.0
50.0
25.0
20.0
25.0
12.5
10.0
60.0
50.0
25.0
20.0
25.0
12.5
10.0
60.0
50.0
25.0
20.0
25.0
12.5
10.0
60.0
50.0
25.0
20.0
25.0
12.5
10.0
70
73
77
77
72
75
75
74
78
82
82
77
80
80
76
79
84
84
79
82
82
76
79
84
84
80
84
84
1,500
1,500
1,500
1,500
1,500
1,500
1,500
700
700
700
700
700
700
700
350
350
350
350
350
350
4.5 - 9.0
4.5 - 9.0
12
12
12
12
12
12
12
24
24
24
24
24
24
24
48
48
48
48
48
48
48
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
9.0 - 18.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
18.0 - 36.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
36.0 - 75.0
5.0
12.0
15.0
5.0
12.0
15.0
3.3
5.0
12.0
15.0
5.0
12.0
15.0
3.3
15
10
10
10
10
10
10
10
350
135
135
135
135
135
135
135
66
75
75
65
75
75
5.0
3
3
3
3
12.0
15.0
5.0
12.0
15.0
3
Notes:
Derating Curve
1. When measuring output ripple, it is recommended that an external 0.47 µF ceramic ca-
pacitor be placed from the +Vout pin to the -Vout pin for single output units and from
each output to common for dual output units. For noise sensitive applications, the use
of 3.3 µF capacitors will reduce the output ripple.
2. Transient recovery is measured to within a 1% error band for a load step change of 75%
to 100%.
3. Operation at no-load will not damage these units. However, they may not meet all
specifications.
4. Dual output units may be connected to provide a 10 VDC, 24 VDC or 30 VDC output. To
do this, connect the load across the positive (+Vout) and negative (-Vout) outputs and
float the output common.
5. The converter should be connected to a low ac-impedance source. An input source with
a highly inductive impedance may affect the stability of the converter. In applications
where the converter output loading is high and input power is supplied over long lines,
it may be necessary to use a capacitor on the input to insure start-up.
In this case, it is recommended that a low ESR (ESR <1.0Ω at 100 kHz) capacitor be mounted
close to the converter. For 5V input units a 8.2 µF is recommended, for 12V input units,
a 3.3 µF; and for 24V & 48V units a 2.2 µF.
Mechanical Dimensions
6. It is recommended that a fuse be used on the input of a power supply for protection.
See the table above for the correct rating.
Pin Connections
Pin
Single
Dual
Pin
Single
Dual
2, 3
9
-Vin
-Vin
14
16
+Vout
+Vout
No Pin Common
NC -Vout
-Vout Common
+Vin +Vin
11
22, 23
NC: No Connection
Capacitive Load
Single Output Dual Output
Mechanical Notes:
• All dimensions are typical in inches (mm)
• Tolerance x.xx = 0.01 ( 0.25)
• Leads are gold plated for improved
solderability.
4,000 µF Max
1,000 µF Max
MicroPower Direct
•
www.micropowerdirect.com
292 Page Street Ste D Stoughton, MA 02072
•
TEL: (781) 344-8226
FAX: (781) 344-8481
•
E-Mail: sales@micropowerdirect.com
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