Isolated DC-DC Converters BWA40 Series -- 40Watt BOTHHAND USA Features Wide 2 : 1 Input Voltage Range (9~18V,18~36V,36~75V) Remote On/Off Input / Output Isolation Voltage: 1.5K Vdc High Efficiency up to 90% Output Short Circuit Protection: Hiccup & Auto Recovery Over Voltage Protection: Clamp Mode Over Temperature Protection Shielded Metal Case with Insulated Baseplate Lead Free Design, RoHS Compliant Adjustable Output Voltage Optional Heat-sink Customer Design Available Description The BWA40 Series are isolated 40W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +85°C in a 50.8×50.8×10.2mm shielded metal case. Further features include wide 2 : 1 input voltage range, remote on/off control, short-circuit protection, over voltage protection and over temperature 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. Technical Specification All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Model Number Input Voltage Range Output Voltage (Vdc) BWA40-12S0 BWA40-12S1 3.3 Output Current (mA) Min. Load 0 (1) Input Current (mA) (2) Eff . Capacitive max. (%) Load, (3) (uF) Full. Load No Load Full Load 8000 158 2683 86 38000 9~18V BWA40-12S2 Nominal:12VDC BWA40-12D2 5 0 8000 166 3968 88 28000 12 0 3300 48 3976 87 5000 ±12 0 ±1800 144 4444 85 2200 BWA40-12D3 ±15 0 ±1400 133 4321 85 1800 BWA40-24S0 3.3 0 8000 79 1310 88 38000 BWA40-24S1 5 0 8000 100 1938 90 28000 18~36V BWA40-24S2 Nominal:24VDC BWA40-24D2 12 0 3300 34 1919 90 5000 ±12 0 ±1800 66 2118 89 2200 BWA40-24D3 ±15 0 ±1400 67 2059 89 1800 BWA40-48S0 3.3 0 8000 56 655 88 38000 BWA40-48S1 5 0 8000 66 969 90 28000 36~75V BWA40-48S2 Nominal:48VDC BWA40-48D2 12 0 3300 18 959 90 5000 ±12 0 ±1800 31 1047 90 2200 BWA40-48D3 ±15 0 ±1400 28 1017 90 1800 E-mail: [email protected] http://www.bothhandUSA.com Rev:20110406A Page 1 of 5 Isolated DC-DC Converters BWA40 Series -- 40Watt 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 Remote ON/OFF 100mAp-p typ. 78ms typ. Open or 3.5V＜Vr＜12V Converter: ON Short Converter: OFF (4) or 0V＜Vr＜0.7V Sourcing current of remote control pin Nominal Vin ＜0.2 mA Idle input current (at Remote OFF state) Nominal Vin ＜20 mA Environmental Specifications Operating ambient temperature -40°C to +85°C (with derating) Maximum case temperature +100°C Storage temperature range -55°C to +105°C Relative humidity 95% RH max. Temperature coefficient ±0.02% / °C max. Output Specifications Output power Voltage accuracy 43.2 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 Balanced load ±0.5% Single ±0.5% Dual ±0.5% Unbalanced load 25% to 100% full load Ripple and Noise (20MHz Bandwidth) Over voltage protection (Zener Diode Clamp) ±3% Single outputs 50mVp-p max. Dual outputs 85mVp-p max. 3.3Vout models 3.9V 5Vout models 6.2V 12Vout models 15V 15Vout models 18V Capacitive load Over load protection See table % of full load at nominal input 110% min. Thermal shutdown 115°C typ. Short circuit protection Transient response settling time E-mail: [email protected] Hiccup, automatic recovery 50% load step change http://www.bothhandUSA.com 300µs typ. Rev:20110406A Page 2 of 5 Isolated DC-DC Converters BWA40 Series -- 40Watt BOTHHAND USA Transient response over shoot di/dt=0.8A/µs ≤ ±5% of Vo Efficiency Nominal input See table Isolation voltage Input to output 1500Vdc Isolation resistance 500Vdc General Specifications 9 10 Ohms min. Isolation capacitance 1200pF typ. Switching frequency 300kHz typ. 5 Reliability, calculated MTBF 9.17 × 10 Hrs Physical Specifications Case material Nickel-coated copper Base material FR4 PCB Potting material Silicon rubber (UL94 V-0) 2.00 × 2.00 × 0.40 Inch Dimensions (50.8 × 50.8 × 10.2 mm) Weight 60g (2.11oz) typ. BWA40 Series BWA40 Series (5) Power Derating Curve without Heatsink Power Derating Curve with Heatsink 120 Output Power (%) Output Power (%) 120 100 80 60 40 20 0 -40 -20 0 20 40 100 80 60 40 20 0 59.1 60 80 100 120 -40 -20 20 40 66.1 60 80 BWA40-48S1 BWA40-48S1 Input voltage vs. Efficiency Output Current vs. Efficiency 100 95 90 85 80 75 70 65 60 20 0 22 24 26 120 28 30 32 34 36 7.2 8.0 100 95 90 85 80 75 70 65 60 55 50 0.8 Input voltage (V) E-mail: [email protected] 100 Ambient Temp.TA (℃ ℃) Efficiency (%) Efficiency (%) Ambient Temp.TA (℃ ℃) 18 (5) http://www.bothhandUSA.com 1.6 2.4 3.2 4.0 4.8 5.6 6.4 Output Current (A) Rev:20110406A Page 3 of 5 Isolated DC-DC Converters BWA40 Series -- 40Watt BOTHHAND USA BWA40-48S1 BWA40-48S1 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. Short to -Vin (Pin 2). 5. Based on BWA40-48S1. Mechanical Dimensions Pin 1 2 3 4 5 6 7 8 9 Pin Assignment Single Dual +Vin +Vin -Vin -Vin Remote On/Off No function No pin -Sense +Vout +Sense Common +Vout Common -Vout -Vout Trim Unit: mm [inch] Tolerance:±0.5[±0.02] Specifications subject to change without notice. E-mail: [email protected] http://www.bothhandUSA.com Rev:20110406A Page 4 of 5 Isolated DC-DC Converters BWA40 Series -- 40Watt BOTHHAND USA Heat-sink (Option) Material: Weight: Aluminum 19g (0.67oz) (without converter) Note: The product label on converter has to be removed before mounting the heat-sink. For volume orders, converters will be supplied with heat-sink already mounted. Please contact factory for quotation. Separate heat-sinks are only available for prototypes and small quantity orders. E-mail: [email protected] http://www.bothhandUSA.com Rev:20110406A Page 5 of 5