B9 Series 2 Watt Isolated DC-DC Converter Low Enable Single Output 1. Features : ! Wide 2：1 Input Range ! Low Ripple and Noise ! Input / Output Isolation 1K Vdc ! 100 % Burn-In ! Output π- Filter ! Custom Design Available 2. Absolute maximum ratings： ( Exceeding these values may damage the module. These are not continuous operating ratings ) Parameter Input Absolute Voltage Range Output Short circuit duration Reverse Polarity Input current Limit Operating temperature Condition Min. Typ. Max. 5V Input Model -0.7 5 10 12V Input Model -0.7 12 22.5 24V Input Model -0.7 24 45 48V Input Model -0.7 48 85 Nominal Input Range Unit Vdc Indefinite & Auto-Restart --- --- --- 1 A Output Full Load -40 --- +85 ℃ -55 --- +105 Storage temperature 3. Nominal Input / Output Electrical Specifications : ( Specifications typical at Ta = +25℃, nominal input voltage, rated output current unless otherwise noted ) Parameter Condition Min. Typ. Max. 12V Input Model 4.5 5 9 12V Input Model 9 12 18 24V Input Model 18 24 36 48V Input Model 36 48 75 Line Regulation Output full Load --- --- ± 0.5 Load Regulation Single Output Model --- --- ± 0.5 Nominal Input --- ± 1.0 ± 2.0 --- 150 --- KHz --- ± 0.01 ± 0.02 %/ ℃ 60 Seconds / 0.5mA 1000 --- --- Vdc 500 Vdc 1000 --- --- MΩ Input Voltage Range Output Voltage Accuracy Switching Frequency Nominal Input Temperature Coefficient Isolation Voltage Isolation Resistance Low-Enable Signal Logic level Output Voltage => Hi Pin # 3 ( Ve ) Output Voltage => Low Unit Vdc % No Connection (Floating) 0 --- 0.4 2.5 --- 5.0 BOTHHAND USA. http://www.bothhand.com Vdc B9 Series 2 Watt Isolated DC-DC Converter Low Enable Single Output 4. Single Output Selection Guide： ： ( Specifications typical at Ta = +25 ℃, Nominal input voltage, Rated output current unless otherwise noted ) Input Output Output Input Current Input Current Output Load Voltage Voltage Current @ No Load @ Max. Load Ripple Regulation (Vdc) (Vdc) (mA) Max (mA) Typ. (mA) Typ. (mV) Max. (%) Max. 5.0 400 4 667 50 ± 0.5 60 B9-0509S2 9.0 222 4 615 80 ± 0.5 65 B9-1205S2 5.0 400 4 219 50 ± 0.5 76 12.0 167 4 209 100 ± 0.5 80 B9-1215S2 15.0 134 4 209 120 ± 0.5 80 B9-2405S2 5.0 400 4 107 50 ± 0.5 78 9.0 222 4 104 80 ± 0.5 80 B9-2412S2 12.0 167 4 104 100 ± 0.5 80 B9-2415S2 15.0 134 4 105 120 ± 0.5 80 B9-4805S2 5.0 400 4 56 50 ± 0.5 75 9.0 222 4 54 80 ± 0.5 77 B9-4812S2 12.0 167 4 54 100 ± 0.5 78 B9-4815S2 15.0 134 4 54 120 ± 0.5 78 Bothhand Efficiency Model No. (%) Typ. B9-0505S2 4.5 ~ 9 B9-1212S2 9 ~ 18 B9-2409S2 18 ~ 36 B9-4809S2 36 ~ 75 BB-xxxxSx Notes： 1. B9-xxxxSx is for Customer Design. 2. Load regulation is for output current change from 0 % to 100 % Max. Load. Mechanical Dimension ： 1K Vdc Pin Single 1 -Vin 2 +Vin 3 Ve 4 --- 5 NC 6 Vo (+) 7 Vo (-) 8 Cext Note：” --- “ means Omitted BOTHHAND USA. http://www.bothhand.com