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B1200RU Series
Ultra-Wide Input 12W
Single & Dual Output
DC/DC Converters
Electrical Specications
Specications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specications subject to change without notice.
Key Features:
Input
Parameter
Conditions
Min. Typ. Max. Units
12W Output Power
UL Approved (File E245422)
4:1 Input Voltage Range
1,500 VDC Isolation
Compact 1 x 2 Inch Case
Single & Dual Outputs
Optional Remote ON/OFF
Industry Standard Pin-Out
Input Start Voltage
Input Filter
Reverse Polarity Input Current
Short Circuit Input Power
Output
Parameter
Output Voltage Accuracy
Output Voltage Balance
Line Regulation
24 VDC Input 8.0 8.5 9.0
48 VDC Input 14.0 16.0 18.0
π (Pi) Filter (Complies with EN55022 Class “A”)
1.0
3,500
Conditions
Min.
Dual Output , Balanced Loads
Vin = Min to Max
Typ.
±0.5
±0.5
±0.1
Max.
±1.0
±1.0
±0.5
VDC
A
mW
Units
%
%
%
Load Regulation
Iout = 10% to 100%
±0.2 ±0.5
%
Ripple & Noise (20 MHz) (Note 1)
50 75 mV P - P
Ripple & Noise (20 MHz)
Over Line, Load & Temp.
100 mV P - P
Ripple & Noise (20 MHz)
15 mV rms
Output Power Protection
Transient Recovery Time (Note 2)
Transient Response Deviation
120
25% Load Step Change
150 250
±1.5 ±2.5
%
μSec
%
Temperature Coefcient
±0.01 ±0.02 %/°C
Output Short Circuit
Continuous
General
Parameter
Conditions
Min. Typ. Max. Units
Isolation Voltage
60 Seconds 1,500
VDC
Isolation Test Voltage
Isolation Resistance
Flash Tested For 1 Sec 1,650
500 VDC 1,000
VDC
MΩ
Isolation Capacitance
100 kHz, 1V
500 600
pF
Switching Frequency
350 400 450
kHz
Environmental
Parameter
Conditions
Min. Typ. Max. Units
Operating Temperature Range
Ambient -40 +25 +71
°C
Operating Temperature Range
Case -40
+90 °C
Storage Temperature Range
-40
+125
°C
Cooling
Free Air Convection (See Curves on Page 2)
MicroPower Direct
232 Tosca Drive
Stoughton, MA 02072
USA
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Humidity
RFI
Physical
Case Size
Case Material
Weight
Reliability Specications
Parameter
MTBF
RH, Non-condensing
Six-Side Shielded Metal Case
95
%
2.0 x 1.0 x 0.40 Inches (50.8 x 25.4 x 10.2 mm)
Metal with Non-Conductive Base (UL94-V0)
1.13 Oz (32g)
Conditions
Min. Typ. Max.
MIL HDBK 217F, 25°C, Gnd Benign 700
Units
kHours
Safety Standards
UL 1950, EN 60950, IEC 60950
Safety Approvals
UL, cUL; File No. E245422
Absolute Maximum Ratings
Parameter
Conditions
Min. Typ. Max. Units
Input Voltage Surge (1 Sec)
24 VDC Input -0.7
48 VDC Input -0.7
42.0 VDC
84.0
Lead Temperature
1.5 mm From Case For 10 Sec
260.0
°C
Internal Power Dissipation
All Models
5,000
mW
www.DataSheet4U.comCaution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.
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Model Selection Guide
Model
Number
Input
Voltage (VDC)
Current (mA)
Nominal Range
Full-
Load
No-
Load
Voltage
(VDC)
Output
Current
(mA, Max)
Current
(mA, Min)
Over
Voltage
Protection
(VDC)
Efciency
(%, Typ)
Fuse Rating
Slow-Blow
(mA)
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 - 75.0 254
5
±5.0 ±1000 ±100.0
±6.8
82
750
B1216RU
48 18.0 - 75.0 298
5 ±12.0
±500
±50.0
±15.0
84
750
B1217RU
48 18.0 - 75.0 298
5 ±15.0
±400
±40.0
±18.0
84
750
Notes:
Derating Curve
1. When measuring output ripple, it is recommended that an external
0.47 μF 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 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 specications.
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 <1.0Ω at 100 kHz) capacitor be mounted close to the
converter. A 10.0 μF is recommended for 24V input models; a 4.7μF
for 48V units.
7. It is recommended that a fuse be used on the input of a power supply
Mechanical Dimensions
for protection. See the table above for the correct rating.
Remote ON/OFF (Optional, see below)
Parameter
Supply On
Supply Off
Standby Input Current
Control Input Current (On)
Control Input Current (Off)
Control Common
Min Max Units
2.5 5.5 or Open VDC
-0.7 0.8 VDC
10
50.0
mA
μA
-100.0
mA
Referenced to Neg. Input (pin 2)
Capacitive
Load
Single Output
(μF Max)
470
Remote ON/OFF Notes:
1. Maximum sink current at the on/off pin (pin 6) during a logic
low is 100 μA.
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 μA.
Dual Output
(μF Max)
±150
Pin Connections
Pin Single
1 +Vin
2 -Vin
3 +Vout
4 No Pin
5 -Vout
6 Remote On/Off
Dual
+Vin
-Vin
+Vout
Common
-Vout
Remote On/Off
For Remote On/Off Option, add sufx “R” to model number (i.e. B1205RU-R)
MicroPower Direct
Mechanical Notes:
• All dimensions are typical in inches (mm)
• Tolerance x.xx = ±0.01 (±0.25)
• Leads are gold plated for improved
solderability.
www.micropwowwwe.rDdaitraeSchte.ecto4Um.com
232 Tosca Drive Stoughton, MA 02072
TEL: (781) 344-8226 FAX: (781) 344-8481 E-Mail: sales@micropowerdirect.com
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