Model Selection Guide
Mechanical Dimensions
www.micropowerdirect.com
232 Tosca Drive Stoughton, MA 02072
TEL: (781) 344-8226
FAX: (781) 344-8481
E-Mail: sales@micropowerdirect.com
Mechanical Notes:
• All dimensions are typical in inches (mm)
• Tolerance x.xx = ±0.01 (±0.25)
• Leads are gold plated for improved
solderability.
Model
Number
Input
Output
Over
Voltage
Protection
(VDC)
Ef
ciency
(%, Typ)
Fuse Rating
Slow-Blow
(mA)
Voltage (VDC)
Current (mA)
Voltage
(VDC)
Current
(mA, Max)
Current
(mA, Min)
Nominal
Range
Full-
Load
No-
Load
B1201RU
24
9.0 - 36.0
423
10
3.3
2,400
240.0
3.9
78
1,500
B1202RU
24
9.0 - 36.0
508
10
5.0
2,000
200.0
6.8
82
1,500
B1203RU
24
9.0 - 36.0
595
10
12.0
1,000
100.0
15.0
84
1,500
B1204RU
24
9.0 - 36.0
595
10
15.0
800
80.0
18.0
84
1,500
B1205RU
24
9.0 - 36.0
508
10
±5.0
±1000
±100.0
±6.8
82
1,500
B1206RU
24
9.0 - 36.0
595
10
±12.0
±500
±50.0
±15.0
84
1,500
B1207RU
24
9.0 - 36.0
595
10
±15.0
±400
±40.0
±18.0
84
1,500
B1211RU
48
18.0 - 75.0
212
5
3.3
2,400
240.0
3.9
78
750
B1212RU
48
18.0 - 75.0
254
5
5.0
2,000
200.0
6.8
82
750
B1213RU
48
18.0 - 75.0
298
5
12.0
1,000
100.0
15.0
84
750
B1214RU
48
18.0 - 75.0
298
5
15.0
800
80.0
18.0
84
750
B1215RU
48
18.0 - 75.0
2545
±5.0
±1000
±100.0
±6.8
82
750
B1216RU
48
18.0 - 75.0
2985
±12.0
±500
±50.0
±15.0
84
750
B1217RU
48
18.0 - 75.0
2985
±15.0
±400
±40.0
±18.0
84
750
Pin
Single
Dual
1
+Vin
+Vin
2
-Vin
-Vin
3
+Vout
+Vout
4
No Pin
Common
5
-Vout
-Vout
6
Remote On/Off
Remote On/Off
Pin Connections
Remote ON/OFF (Optional, see below)
Parameter
Min
Max
Units
Supply On
2.5
5.5 or Open
VDC
Supply Off
-0.7
0.8
VDC
Standby Input Current
10
mA
Control Input Current (On)
50.0
A
Control Input Current (Off)
-100.0
mA
Control Common
Referenced to Neg. Input (pin 2)
For Remote On/Off Option, add suf
x “R” to model number (i.e. B1205RU-R)
Notes:
1. When measuring output ripple, it is recommended that an external
0.47 F ceramic capacitor 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 3.9
F
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 speci
cations.
5. 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
oat the output common.
6. 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 Equivalent Series Resis-
tance (ESR <1.0
at 100 kHz) capacitor be mounted close to the
converter. A 10.0 F is recommended for 24V input models; a 4.7 F
for 48V units.
7. 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.
Remote ON/OFF Notes:
1. Maximum sink current at the on/off pin (pin 6) during a logic
low is 100 A.
2. Maximum allowable leakage current of a switch connected to the
on/off terminal (Pin 6) at logic high (2.5V to 100V) is 50 A.
Single Output
( F Max)
470
Dual Output
( F Max)
±150
Capacitive
Load
Derating Curve
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