BAC1 Series
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Isolated 1W Regulated Single Output AC/DC Converters
SELECTION GUIDE
Output Output Output Isolation
1
Ripple & Noise Efciency MTTF
Power Voltage Current Capacitance
Order Code
115V 230V
Min. Typ.
WV A pF
Min. Typ. Min. Typ.
mVp-p % kHrs
BAC1S05SC 1 5 0.2 50 120 70 74 69 73 11 1613 36180
BAC1S12SC 1 12 0.083 60 120 70 74 69 73 11 2038 44328
BAC1S24SC 1 24 0.042 85 120 68 73 67 71 11 1815 40463
FEATURES
INPUT CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
UL60950-1 recognised
All input types 85 115/230 264 VAC
Voltage range
EN60950-1 certied
All input types 70 400 VDC
Input frequency 47 50/60 63 Hz
UL60335-1 recognition pending
Nominal Vin = 115VAC 50
Switching frequency kHz
ANSI/AAMI ES60601-1, 1 MOPP/2 MOOPs
Nominal Vin = 230VAC 40
Nominal Vin = 115VAC 25
recognition pending
Input current mA
Nominal Vin = 230VAC 17
Wide input voltage range 85-264VAC/
Nominal Vin = 115VAC 6
Inrush current A
70-400VDC
Nominal Vin = 230VAC 9
Input leakage current 230VAC 1 A
Operating temperature range 40C to
115V 19.5
85C
BAC1S05SC
230V 60.8
4kVAC isolation Hi Pot Test
115V 58.1
Stand by power BAC1S12SC mW
230V 67.8
5V, 12V & 24V single regulated outputs
115V 25.7
BAC1S24SC
Short circuit protection
230V 80.8
No optocoupler
ISOLATION CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Low standby power
Production tested for 1 second 4000
Isolation test voltage VAC
Qualifcation tested for 1 minute 4000
PRODUCT OVERVIEW
Resistance Viso = 1000VDC 100 M
The BAC1 series is the rst series release from
OUTPUT CHARACTERISTICS
the BAC family of board mount AC/DC converters.
Parameter Conditions Min. Typ. Max. Units
The BAC1 series operates over the wide industrial
Minimum load 5 %
temperature range of -40C to +85C, supporting
5V output types 5
operation in still air for the most demanding
Initial voltage accuracy %
All other output types 4
environments. All models deliver full power to
5V output types 0.3 1
85C, and operate from -40C. The BAC1 has ultra Line regulation Low line to high line %
All other output types 0.1 1
low standby power consumption for demanding
12V output type 230VAC 0.2 1.5
energy and cost saving applications.
10% total load to
Load Regulation %
115VAC &
100% total load
All other output types 0.1 1.5
230VAC
Total regulation Includes line, load, temperature and drift 5 %
Temperature coefcient 0.05 %/C
Peak deviation - Single BAC1S05SC 4
Output (50-75% & 75-50% BAC1S12SC 3 %Vout
Transient Response swing) BAC1S24SC 2
Settling time (within 1% 24V output type 8
ms
Vout Nom.) All other output types 6
Current limit inception Auto-recovery 150 280 %
1. Calculated using MIL-HDBK-217F FN2 and Telecordia SR-332 calculation model at TA=25C with nominal input voltage at full load.
All specications typical at TA=25C, nominal input voltage, rated output current and recommended components unless otherwise
For full details go to
www.murata-ps.com/rohs specied.
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KAC_BAC1C.A01 Page 1 of 12
MIL 217
TelecordiaBAC1 Series
Isolated 1W Regulated Single Output AC/DC Converters
OUTPUT CHARACTERISTICS (continued)
Parameter Conditions Min. Typ. Max. Units
115VAC 50
Hold up time from power fail ms
230VAC 240
TEMPERATURE CHARACTERISTICS
Parameter Conditions Min. Typ. Max. Units
Operation Sealed box with no air ow -40 85
Storage -40 125
C
Product temperature rise above
16
ambient
ABSOLUTE MAXIMUM RATINGS
Short-circuit protection Continuous
Lead temperature 1.0mm from case for 7 seconds
270C
(to JEDEC JESD22-B106 ISS E)
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KAC_BAC1C.A01 Page 2 of 12