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 Output Short Circuit Protection: The BUA15L Series are isolated 15W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +71°C in a 50.8x25.4x10.2mm package with industry-standard pinout. Further features include wide 2 : 1 input voltage range, output short-circuit protection and over voltage protection. Continuous & Auto Recovery Over Voltage Protection: Clamp Mode Shielded Metal Case with Insulated Baseplate Lead Free Design, RoHS Compliant Industry Standard Pinout Customer Design Available 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 All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Model Number Output Current (mA) Input Voltage Output Voltage (1) Range Full. Load (Vdc) Min. Load Input Current (mA) No Load Full Load (2) Eff . Capacitive max. (%) Load, (3) (uF) BUA15-12S0L 3.3 200 4000 7 1467 79 10000 BUA15-12S1L 5.1 120 3000 7 1623 81 600 BUA15-12S2L 9~18V BUA15-12S3L Nominal:12Vdc 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 BUA15-24S2L 18~36V Nominal:24Vdc BUA15-24S3L 12 0 1250 10 762 86 1700 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 BUA15-48S2L 36~75V BUA15-48S3L Nominal:48Vdc 12 0 1250 6.5 377 87 1000 15 0 1000 8 372 88 470 BUA15-48D2L ±12 0 ±625 8 377 87 330 BUA15-48D3L ±15 0 ±500 8 377 87 160 E-mail: [email protected] http://www.bothhandUSA.com Rev:20101011A Page 1 of 4 Isolated DC-DC Converters BUA15L Series -- 15 Watt BOTHHAND USA Input Specifications Input Voltage 12V nominal input 9-18Vdc 24V nominal input 18-36Vdc 48V nominal input 36-75Vdc Input filter Pi Type 12V input 25Vdc Input surge voltage 24V input 50Vdc (100ms max.) 48V input 100Vdc 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 Operating ambient temperature -40°C to +71°C(without derating) Maximum case temperature +100°C Storage temperature range -55°C to +105°C Relative humidity 5% to 95% RH Temperature coefficient ±0.02% / °C max. Output Specifications Output power Voltage accuracy 15 Watts max. Full load and nominal Vin ±1% Minimum load Line regulation See table LL to HL at full load 25% load to full load Load Regulation ±0.5% Single Balanced load ±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 Capacitive load Over load protection See table % of full load at nominal input Short circuit protection Continuous, automatic recovery Transient response settling time 50% load step change Transient response over shoot di/dt=0.8A/µs E-mail: [email protected] 150% typ. http://www.bothhandUSA.com 2200µs typ. ≤ ±5% of Vo Rev:20101011A Page 2 of 4 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 Potting material Silicon rubber (UL94V-0) 2.0 × 1.0 × 0.4 Inch Dimensions (50.8 × 25.4 × 10.2 mm) 32.0g (1.13oz) typ. Weight 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) E-mail: [email protected] Output Current (A) http://www.bothhandUSA.com Rev:20101011A Page 3 of 4 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. E-mail: [email protected] http://www.bothhandUSA.com Rev:20101011A Page 4 of 4