Isolated DC-DC Converters BUA15L Series -- 15 Watt Bothhand USA Features Wide 2 : 1 Input Voltage Range(9~18V,18~36V,36~75V) Output Current up to 4A Fixed Switching Frequency Input / Output Isolation Voltage: 1.5K VDC Extended Operating Temperature Range: -40°C to +71°C Description The BUA15L Series are isolated 15W DC/DC converters. Output Short Circuit Protection: Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +71°C in Continuous & Auto Recovery a 50.8x25.4x10.2mm package with industry-standard Over Voltage Protection: Clamp Mode pinout. Further features include wide 2 : 1 input voltage range, output short-circuit protection and over voltage Shielded Metal Case with Insulated Baseplate protection. Lead Free Design, RoHS Compliant Industry Standard Pinout Customer Design Available Safety Standard / Approval : IEC / EN 60950-1 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. Technical Specification Model Number All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Output (2) Capacitive Output Current (mA) Input Current (mA) Input Voltage Eff . Voltage Load, max. (1) Range (%) (3) Min. Load Full. Load No Load Full Load (V) (uF) BUA15-12S0L 3.3 200 4000 7 1467 79 10000 BUA15-12S1L 5.1 120 3000 7 1623 81 600 12 0 1250 18 1543 85 1800 15 0 1000 21 1524 86 990 BUA15-12D2L ±12 0 ±625 28 1543 85 470 BUA15-12D3L ±15 0 ±500 29 1524 86 100 BUA15-24S0L 3.3 200 4000 5 724 80 10000 BUA15-24S1L 5.1 95 3000 6 791 83 10000 12 0 1250 10 762 86 1700 BUA15-12S2L BUA15-12S3L BUA15-24S2L BUA15-24S3L 9~18V Nominal:12V 18~36V Nominal:24V 15 0 1000 11 753 87 660 BUA15-24D2L ±12 0 ±625 14 762 86 430 BUA15-24D3L ±15 0 ±500 36 762 86 220 BUA15-48S0L 3.3 200 4000 2 362 80 10000 BUA15-48S1L 5.1 120 3000 3 401 82 8440 12 0 1250 6.5 377 87 1000 15 0 1000 8 372 88 470 ±12 ±15 0 0 ±625 ±500 8 8 377 377 87 87 330 160 BUA15-48S2L BUA15-48S3L 36~75V Nominal:48V BUA15-48D2L BUA15-48D3L [email protected] www.bothhandusa.com Rev:20130813A Page 1 of 7 Isolated DC-DC Converters BUA15L Series -- 15 Watt Bothhand USA Input Specifications Input Voltage 12V nominal input 9-18V 24V nominal input 18-36V 48V nominal input 36-75V Pi Type Input filter 12V input 25V 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 80mAp-p typ. 680ms typ. Environmental Specifications -40°C to +71°C(without 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 15 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 ±1% Dual ±0.5% Unbalanced load 25% to 100% full load Ripple and Noise ±3% 20MHz Bandwidth 75mVp-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 2200µs typ. ≤ ±5% of Vo Rev:20130813A Page 2 of 7 Isolated DC-DC Converters BUA15L Series -- 15 Watt Bothhand USA General Specifications Efficiency Nominal input Isolation voltage Input to output See table 1500VDC 9 Isolation resistance 10 Ohms min. Isolation capacitance 580pF typ. Switching frequency 300kHz typ. 6 Reliability, calculated MTBF 2.24 × 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. BUA15L Series (4) Output Power (%) Power Derating Curve Ambient Temp.TA (℃) BUA15-48S1L Output Current vs. Efficiency Efficiency (%) Efficiency (%) BUA15-48S1 L Input voltage vs. Efficiency Input voltage (V) [email protected] Output Current (A) www.bothhandusa.com Rev:20130813A Page 3 of 7 Isolated DC-DC Converters BUA15L Series -- 15 Watt Bothhand USA BUA15-48S1L BUA15-48S1L 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 BUA15-48S1L. Mechanical Dimensions Pin 1 2 3 4 5 Pin Assignment Single Dual +Vin +Vin -Vin -Vin +Vout +Vout No pin Common -Vout -Vout Unit: mm [inch] Tolerance:±0.5[0.02] Specifications subject to change without notice. [email protected] www.bothhandusa.com Rev:20130813A Page 4 of 7 Isolated DC-DC Converters BUA15L Series -- 15 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:20130813A Page 5 of 7 Isolated DC-DC Converters BUA15L Series -- 15 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= Δ Vout 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 : │ 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:20130813A Page 6 of 7 Isolated DC-DC Converters BUA15L Series -- 15 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:20130813A Page 7 of 7