1 Watt Isolated DC-DC Converter BMA1 / BMB1 Series Dual Output 1 . Features Input Filter With Internal Capacitor SIL and DIL Package Low Ripple And Noise Input / Output Isolation 1K Vdc 100% Burn-In Industry Standard Pinout Custom Design Available Net Weight : 3.0g / 3.7 g Typical RoHS Converter Certified By SGS Safety Approval : EN60950-1 2 . Model Selection Guide (Specifications typical at Ta= +25℃ ℃, Nominal input voltage, Rated output current unless otherwise noted) Model No. Input Voltage (Vdc) Output Output Input Current Input Current Output Load Efficiency Voltage Current @No Load @Max. Load Ripple Regulation (%)Typ. (Vdc) (mA) Max (mA) Typ. (mA) Typ. (mV) Max. (%) Max. 1) Dual Output SIL Package Style BMA1-48D1 ±5 ± 100 6 31 60 ±10 72 ±9 ± 56 5.5 30 80 ±10 74 BMA1-48D2 ± 12 ± 42 5.5 30 100 ±10 73 BMA1-48D3 ± 15 ± 34 5.5 30 120 ±10 74 ±5 ± 100 6 31 60 ±10 72 ±9 ± 56 5.5 30 80 ±10 74 BMB1-48D2 ± 12 ± 42 5.5 30 100 ±10 73 BMB1-48D3 ± 15 ± 34 5.5 30 120 ±10 74 BMA1-48DA 48 2) Dual Output DIL Package Style BMB1-48D1 BMB1-48DA 48 3 . Absolute Maximum Ratings (Exceeding these values may damage the module. These are not continuous operating ratings) Parameter Condition Min. Typ. Max. 48V nominal Input -0.7 48 60 Vdc Max. Output Power --- --- 1 W Output Short Circuit Duration --- --- 1.0 Second -40 --- +85 -55 --- +105 Input Absolute Voltage Range OperationTemperature(Ambient Temperature) Storage Temperature Output Full Load 1 BOTHHAND USA [email protected] Unit ℃ 1 Watt Isolated DC-DC Converter BMA1 / BMB1 Series Dual Output 4 . Nominal Input/Output Electrical Specifications (Specifications typical at Ta= +25℃ ℃ ,Nominal input voltage, Rated output current unless otherwise noted) Parameter Condition Min. Typ. Max. Unit 48V nominal Input 43.2 48 52.8 Vdc Output Voltage Accuracy --- --- ± 5.0 Load Regulation(10% load to full load) --- --- ± 10 Voltage Balance (Dual Outputs) --- --- ± 1.0 Unbalanced load 10% to 100% full load --- --- ±15 Switching Frequency --- 100 --- KHz Temperature Coefficient --- ± 0.01 ± 0.02 %/ ℃ 60 Second / 0.5 mA 1000 --- --- Vdc Isolation Resistance 500 Vdc 1000 --- --- MΩ Isolation Capacitance 1KHz / 250mV rms --- 30 --- pF --- --- 1.3 % Input Voltage Range Nominal Input Isolation Voltage Max. Line Regulation (Per 1.0 % change in input change) % 5 . General Specification Parameter Specification Isolation Voltage 1000 Vdc Condition Test Duration 60 Seconds / 0.5 mA Isolation Resistance 1000 MΩ Min. @ 500 Vdc Operating Temperature (1) -40℃ ~ +85℃ @ Ambient Temperature With Natural Convention Operating Temperature (2) -40℃ ~ +95℃ @ Case Surface Temperature Storage Temperature -55℃ ~ +105℃ --- Humidity Up To 90 % --- Cooling Free Air Convection --- Plastic --- Case Type 6. Ordering Information 7 . Power Derating Curve Temperature derating graph Temperature Derating Graph BMA1-xxD1 Output Power Input Voltage "S"For Single Output;"D" For Dual Output Output Voltage:"0"For 3.3V;"1"For 5V;"A"For 9V;"2"For 12V;"3"For 15V 125% Output Power(%) Device Family "A"For SIL Package;"B"For DIL Package 100% 75% 50% 25% -40 -20 0 20 40 60 80 85 100 120 Operating Ambient Temperature(°C) 2 BOTHHAND USA [email protected] BMA1 / BMB1 Series 1 Watt Isolated DC-DC Converter Dual Output 8 . Mechanical Dimension SIL Package Style Pin 1K Vdc-Dual Output 1 +Vin 2 -Vin 3 No Pin 4 -Vo 5 Common 6 +Vo Units : mm (inch) Tolerance : 0.xx ± 0.25(0.xx ± 0.01) DIL Package Style Pin 1 1K Vdc-Dual Output -Vin +Vin 2 Pin 14 13 No Pin 3 4 Tolerance : 0.xx ± 0.25(0.xx ± 0.01) 3 BOTHHAND USA [email protected] No Pin -Vo 11 5 No Pin 10 6 +Vo 9 common 8 7 Units : mm (inch) 12 NC BMA1 / BMB1 Series 1 Watt Isolated DC-DC Converter 9. Package SIL Package Style DIL Package Style 4 BOTHHAND USA [email protected] Dual Output