Isolated DC-DC Converters BOA5W Series -- 5 Watt Bothhand USA Features Wide 4 : 1 Input Voltage Range(9~36V,18~75V) Input / Output Isolation Voltage: 1.5K VDC Extended Operating Temperature Range: -40°C to +85°C Output Short Circuit Protection: Continuous & Auto Recovery Over Voltage Protection: Clamp Mode Meet EN55022, Class A (Radiation) Shielded Metal Case with Insulated Baseplate Lead Free Design, RoHS Compliant 24pin DIP Package with Industry-Standard Footprint Customer Design Available Safety Standard/Approval : IEC/EN60950-1 Technical Specification Model Number Input Voltage Range Description The BOB5W Series are isolated 5W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +85°C in a 24 pin DIP package with industry-standard footprint. Further features include wide 4 : 1 input voltage range, short-circuit protection and over voltage protection. Applications These converters are well suitable for battery operated equipment, measurement equipment, telecom, wireless network, Industry control system, everywhere where isolated, tightly regulated voltages and compact size are required. All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Output (2) Capacitive Output Current (mA) Input Current (mA) Eff . Voltage Load, max. (%) (3) Min. Load (1) Full. Load No Load Full Load (V) (uF) BOA5-24S0W 3.3 34 1200 4.6 226 77 6800 BOA5-24S1W 5 4 1000 9.7 274 80 7030 BOA5-24S2W 12 0 500 7.1 316 83 1220 15 0 400 10 321 82 430 ±5 0 ±500 9.2 271 81 4620 BOA5-24D2W ±12 0 ±250 11.7 316 83 330 BOA5-24D3W ±15 0 ±200 13 316 83 200 BOA5-48S0W 3.3 49.4 1200 2.8 116 75 4400 BOA5-48S1W 5 0 1000 4.9 139 79 5460 BOA5-48S2W 12 0 500 5 160 82 660 15 0 400 5.2 160 82 330 ±5 0 ±500 5.4 139 79 1660 BOA5-48D2W ±12 0 ±250 6.8 160 82 220 BOA5-48D3W ±15 0 ±200 7.4 160 82 147 9~36V BOA5-24S3W Nominal:24Vdc BOA5-24D1W 18~75V BOA5-48S3W Nominal:48Vdc BOA5-48D1W [email protected] www.bothhandusa.com Rev:20130812A Page 1 of 7 Isolated DC-DC Converters BOA5W Series -- 5 Watt Bothhand USA Input Specifications Input Voltage 24V nominal input 9-36V 48V nominal input 18-75V Input filter Pi Type Input surge voltage 24V input 50V (100ms max.) 48V input 100V Input reflected ripple current Nominal Vin and full load Start up time Nominal Vin and constant resistive load 160mAp-p typ. 530ms typ. Environmental Specifications -40°C to +85°C (with derating) Operating ambient temperature +100°C Maximum case temperature -55°C to +105°C Storage temperature range 5% to 95% RH Relative humidity ±0.02% / °C max. Temperature coefficient EMC Characteristics EN55022 (radiation) EMI Meet class A Output Specifications 6 Watts max. Output power Voltage accuracy Full load and nominal Vin ±2% See table Minimum load Line regulation LL to HL at full load 25% load to full load Load Regulation Balanced load ±0.5% Single ±1% Dual ±1% Unbalanced load 25% to 100% full load Ripple and Noise ±5% 20MHz bandwidth 80mVp-p max. 3.3Vout models 3.9V Over voltage protection 5Vout models 6.2V (Zener Diode Clamp) 12Vout models 15V 15Vout models 18V See table Capacitive load Over load protection % of full load at nominal input Continuous, automatic recovery Short circuit protection Transient response settling time 50% load step change Transient response over shoot di/dt=0.8A/µs [email protected] 150% typ. www.bothhandusa.com 560µs typ. ≤ ±5% of Vo Rev:20130812A Page 2 of 7 Isolated DC-DC Converters BOA5W Series -- 5 Watt Bothhand USA General Specifications Efficiency Nominal input Isolation voltage Input to output Isolation resistance See table 1500VDC 9 500VDC 10 Ohms min. Isolation capacitance 300pF typ. Switching frequency 300kHz typ. 6 Reliability, calculated MTBF 2.40 × 10 Hrs Physical Specifications Case material Nickel-coated copper Base material Non-conductive black plastic Silicon rubber (UL94V-0) Potting material 1.25 × 0.80 × 0.40 Inch Dimensions (31.75 × 20.32 × 10.16 mm) Weight 17.2g (0.59oz) typ. BOA5WSeries Output Power (%) Power Derating Curve(4) Ambient Temp.TA (℃) Input voltage vs. Efficiency Output Current vs. Efficiency [email protected] Efficiency (%) BOA5-48S1W Efficiency (%) BOA5-48S1W www.bothhandusa.com Rev:20130812A Page 3 of 7 Isolated DC-DC Converters BOA5W Series -- 5 Watt Bothhand USA Input voltage (V) Output Current (A) BOA5-48S1W BOA5-48S1W Transient Response at 50%~100% Max Load Loop Gain & Phase at Vi=48V,Full Load Note 1. Io below this value will not damage these converters, however, they may not meet all listed specifications. 2. Typical value, tested at nominal input and full load. 3. For each output. 4. Based on BOA5-48S1W. Mechanical Dimensions Pin 2 3 9 11 14 16 22 23 Pin Assignment Single Dual -Vin -Vin -Vin -Vin No pin Common No function -Vout +Vout +Vout -Vout Common +Vin +Vin +Vin +Vin Unit: mm [inch] Tolerance:±0.5[0.02] Specifications subject to change without notice. [email protected] www.bothhandusa.com Rev:20130812A Page 4 of 7 Isolated DC-DC Converters BOA5W Series -- 5 Watt Bothhand USA Test Configurations All specifications are typical at nominal input, full load and 25°C unless otherwise stated. A A DC Power Supply DC/DC converter V V Load ◎DC Power Supply: It offers a wide voltage and current range precisely. ◎Current meter (A): Accuracy 200μA ~ 200mA 4 ranges+(0.2% rdg + 2 digits) 2000mA ~ 20A 2 ranges+(0.3% rdg + 2 digits). ◎Voltage meter (V): Accuracy +(0.03% rdg + 4 digits). ◎Load: At full load. ◎Wires: The resistance of the wires must be small. 1. Input voltage range: Narrow input voltage range（±10%）、wide input voltage range (2:1 and 4:1）。 EX: Narrow input voltage range（±10%） 5V nominal input 4.5~5.5V 12V nominal input 10.8~13.2V 24V nominal input 21.6~26.4V Wide input voltage range 2:1 5V nominal input 12V nominal input 24V nominal input 48V nominal input 4.5~9V 9~18V 18~36V 36~75V Wide input voltage range 4:1 (W) 24V nominal input 9~36V 48V nominal input 18~75V 2. Input power : Pin = Vin x Iin Vin：Input voltage Iin：Input current Pout = Vout x Iout Vout：Output voltage Iout：Output current 3. Output power : 4. Efficiency : Efficiency = Pout Pin x100% Pout: Output power Pin: Input power 5. Voltage accuracy: │ │Vout-Vout(nominal)│ Vout [email protected] x100% Vout：Output voltage Vout(nominal)：Nominal output voltage www.bothhandusa.com Rev:20130812A Page 5 of 7 Isolated DC-DC Converters BOA5W Series -- 5 Watt Bothhand USA ││││ ││││ 6. Line regulation: (1) Wide input voltage range and regulated output voltage series. │ │Vout(LL)-Vout(HL)│ Vout(LL) LL: Low Line input voltage HL: High Line input voltage x100% (2) Narrow input voltage range（±10%）and unregulated output voltage series. Line regulation= ΔVout ΔVin ΔVout = Vout(+10%)-Vout(-10%) x100% Vout Vout(+10%)：Output voltage at Vin = 1.1xVin(nominal)&full load Vout(-10%)：Output voltage at Vin = 0.9xVin(nominal)&full load Vout：Output voltage at Vin = Vin(nominal)&full load ΔVin = Vin(+10%)-Vin(-10%) x100% Vin(+10%)：Input voltage = 1.1xVin(nominal) Vin(-10%)：Input voltage = 0.9xVin(nominal) Vin(nominal)：Nominal Input voltage 7. Load regulation : │ x100% │Vout(FL)-Vout(NL)│ Vout(FL) Vout(FL): Output voltage at full load Vout(NL): Output voltage at 25% full load or 10% full load 8. Ripple and Noise: as shown below. The bandwidth is 0-20MHz. Ripple&Noise Noise Ripple [email protected] www.bothhandusa.com Rev:20130812A Page 6 of 7 Isolated DC-DC Converters BOA5W Series -- 5 Watt Bothhand USA Output Ripple&Noise measurement test circuit: as shown below. Copper strip DC/DC converter Co Oscilloscope Load Copper strip Co: usually 0.47uF. 9. Temperature derating curve: The DC-DC converter will operate over a wider temperature range if less power is Output Power (%) drawn from the output and the device is already running. The temperature derating curve shows the operating power-temperature range. As shown below. Ambient Temp.TA (℃) 10. Switching frequency: The nominal operating frequency of the DC-DC converters. 11. Input to output isolation: The dielectric breakdown strength test between input and output circuits. This is the isolation voltage the device is capable of withstanding for a specified time, usually 1 second or 1 minute. [email protected] www.bothhandusa.com Rev:20130812A Page 7 of 7