Isolated DC-DC Converters BUB12W Series -- 12 Watt Bothhand USA Features Wide 4 : 1 Input Voltage Range(9~36V,18~75V) Remote On/Off Input / Output Isolation Voltage: 1.5K VDC Extended Operating Temperature Range: -40°C to +85°C Output Short Circuit Protection: Description Continuous & Auto Recovery Over Voltage Protection: Clamp Mode Shielded Metal Case with Insulated Baseplate Lead Free Design, RoHS Compliant 6 pin DIP Package with Industry-Standard Footprint The BUB12W Series are isolated 12W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +85°C in a 6 pin DIP package with industry-standard footprint. Further features include wide 4 : 1 input voltage range, remote on/off control, short-circuit protection and over voltage protection. Customer Design Available Applications Safety Standard / Approval : IEC / EN 60950-1 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. Technical Specification Model Number Input Voltage Range 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. (1) (%) (3) Min. Load Full. Load No Load Full Load (V) (uF) BUB12-24S0W 3.3 203 2400 5.4 438 80 8260 BUB12-24S1W 5 73 2000 6.3 543 81 8800 12 0 1000 14.2 615 85 530 15 18 800 9.1 613 86 347 BUB12-24D1W ±5 33 ±1000 7.5 531 83 1800 BUB12-24D2W ±12 13 ±500 13.4 606 87 200 BUB12-24D3W ±15 9 ±400 9.9 612 86 147 BUB12-48S0W 3.3 243 2400 3.6 221 80 10550 BUB12-48S1W 5 89 2000 5.6 269 81 13720 12 33 1000 6.6 303 87 730 15 18 800 5.6 303 87 330 BUB12-48D1W ±5 33 ±1000 5.3 261 84 2600 BUB12-48D2W ±12 18 ±500 7 302 87 270 BUB12-48D3W ±15 9 ±400 6.2 304 86 147 BUB12-24S2W BUB12-24S3W BUB12-48S2W BUB12-48S3W 9~36V Nominal:24V 18~75V Nominal:48V [email protected] www.bothhandusa.com Rev:20111021A Page 1 of 7 Isolated DC-DC Converters BUB12W Series -- 12 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 Remote ON/OFF 186mAp-p typ. 350ms typ. Open or 3.5V＜Vr＜12V Converter: ON Short Converter: OFF (4) or 0V＜Vr＜1.2V Sourcing current of remote control pin Nominal Vin ＜0.2 mA Idle input current (at Remote OFF state) Nominal Vin ＜3 mA 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 Output Specifications 12 Watts max. Output power Voltage accuracy Full load and nominal Vin ±1% See table Minimum load Line regulation LL to HL at full load 25% load to full load Load Regulation Balanced load ±0.5% Single ±0.5% Dual ±0.5% Unbalanced load 25% to 100% full load Ripple and Noise ±5% 20MHz bandwidth 70mVp-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 500Us typ. ≤ ±5% of Vo Rev:20111021A Page 2 of 7 Isolated DC-DC Converters BUB12W Series -- 12 Watt Bothhand USA General Specifications Efficiency Nominal input See table Isolation voltage Input to output 1500VDC Isolation resistance 500VDC Isolation capacitance 9 10 Ohms min. 24V nominal input 220pF typ. 48V nominal input 400pF typ 300kHz typ. Switching frequency 6 Reliability, calculated MTBF 1.96× 10 Hrs Physical Specifications Case material Nickel-coated copper Base material Non-conductive black plastic Silicon rubber (UL94V-0) Potting material 2.0 × 1.0 × 0.4 Inch Dimensions (50.8 × 25.4 × 10.2 mm) Weight 32.0g (1.13oz) typ. BUB12WSeries (5) Output Power (%) Power Derating Curve Ambient Temp.TA (℃) BUB12-48S1W Output Current vs. Efficiency Efficiency (%) Efficiency (%) BUB12-48S1W Input voltage vs. Efficiency Input voltage (V) [email protected] www.bothhandusa.com Output Current (A) Rev:20111021A Page 3 of 7 Isolated DC-DC Converters BUB12W Series -- 12 Watt Bothhand USA BUB12-48S1 W Transient Response at 50%~100% Max Load BUB12-48S1W 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. Short to -Vin (Pin 2). 5. Based on BUB12-48S1W. Mechanical Dimensions Pin 1 2 3 4 5 6 Pin Assignment Single Dual +Vin +Vin -Vin -Vin +Vout +Vout No pin Common -Vout -Vout Remote On/Off Remote On/Off (optional) (optional) Unit: mm [inch] Tolerance:±0.5[0.02] Specifications subject to change without notice. [email protected] www.bothhandusa.com Rev:20111021A Page 4 of 7 Isolated DC-DC Converters BUB12W Series -- 12 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:20111021A Page 5 of 7 Isolated DC-DC Converters BUB12W Series -- 12 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. Δ Vout Line regulation= Δ Vin 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(nominal) Vin(+10%)：Input voltage = 1.1xVin(nominal) Vin(-10%)：Input voltage = 0.9xVin(nominal) Vin(nominal)：Nominal Input voltage 7. Load regulation : │Vout(FL)-Vout(NL)│ │ x100% 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:20111021A Page 6 of 7 Isolated DC-DC Converters BUB12W Series -- 12 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:20111021A Page 7 of 7