PRELIMINARY Isolated DC-DC Converters BXC60W Series -- 60Watt Bothhand USA Features Wide 4 : 1 Input Voltage Range (9~36V,18~75V) 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 Synchronous Rectifier Topology Customer Design Available Description The BXC60W Series are isolated 60W DC/DC converters. Designed with highly efficiency, allow the operating temperature range of these units to be -40°C to +85°C in a 50.8×50.8×12.7mm shielded metal case. Further features include wide 4 : 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 Model Number All specifications are typical at nominal input, full load and 25°C unless otherwise stated. (2) Output Output Current (mA) Input Current (mA) Input Voltage Eff . Capacitive Voltage max. (1) Range (%) Load, (3) Full. Load No Load Full Load (Vdc) Min. Load (uF) BXC60-24S0W 3.3 0 14000 70 2437 83 47000 5 0 12000 80 3086 85 36000 12 0 5000 100 2976 88 4700 BXC60-24S3W 15 0 4000 90 2941 89 2200 BXC60-48S0W 3.3 0 14000 30 1188 85 47000 5 0 12000 33 1506 87 36000 12 0 5000 50 1488 88 4700 15 0 4000 39 1453 90 2200 BXC60-24S1W BXC60-24S2W BXC60-48S1W BXC60-48S2W 9~36V Nominal:24VDC 18~75V Nominal:48VDC BXC60-48S3W [email protected] www.bothhandusa.com Rev:20111011A Page 1 of 5 PRELIMINARY Bothhand USA Isolated DC-DC Converters BXC60W Series -- 60Watt Input Specifications Input voltage 24V nominal input 9-36Vdc 48V nominal input 18-75Vdc Input filter Pi type 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 Converter: ON Converter: OFF 200mAp-p typ. 60ms typ. Open or 3.5V<Vr<12V Short (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 +105°C Storage temperature range -55°C to +125°C Relative humidity 95% RH max. Temperature coefficient ±0.02% / °C max. Output Specifications Output power Voltage accuracy 60 Watts max. Full load and nominal Vin ±1% Minimum load See table Line regulation LL to HL at full load Load Regulation 25% load to full load ±0.5% ±0.5% (±0.8% for 3.3Vout) Ripple and Noise (20MHz Bandwidth) Over voltage protection (Zener Diode Clamp) 3.3Vout & 5Vout & 12Vout models 75mVp-p max. 15Vout models 100mVp-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 110°C typ. Short circuit protection Hiccup, automatic recovery Transient response settling time 50% load step change Transient response over shoot di/dt=0.8A/µs [email protected] www.bothhandusa.com 3ms typ. ≤ ±5% of Vo Rev:20111011A Page 2 of 5 PRELIMINARY Isolated DC-DC Converters BXC60W Series -- 60Watt Bothhand USA General Specifications Efficiency Nominal input Isolation voltage Input to output Isolation resistance See table 1500Vdc 9 500Vdc 10 Ohms min. Isolation capacitance 1200pF typ. Switching frequency 300kHz typ. 5 Reliability, calculated MTBF 8.88 × 10 Hrs Physical Specifications Case material Nickel-coated copper Base material FR4 PCB Potting material Silicon rubber (UL94 V-0) 2.0 × 2.0 × 0.5 Inch Dimensions (50.8 × 50.8 × 12.7 mm) Weight 84g (2.96oz) typ. BXC60W Series BXC60W Series (5) Power Derating Curve with Heatsink 120 120 100 100 Output Power (%) Output Power (%) Power Derating Curve without Heatsink 80 60 40 20 0 0 20 33 60 40 20 0 40 60 80 100 120 -40 -20 BXC60-48S1W BXC60-48S1W Output Current vs. Efficiency 75 120 Output Current (A) Input voltage (V) [email protected] 100 9.6 66 8.4 60 7.2 54 6 48 4.8 42 3.6 36 2.4 30 80 95 90 85 80 75 70 65 60 55 50 1.2 24 60 Input voltage vs. Efficiency 95 90 85 80 75 70 65 60 55 50 18 44 40 20 Ambient Temp.TA (℃ ℃) Efficiency (%) Efficiency (%) Ambient Temp.TA (℃ ℃) 0 12 -20 80 10.8 -40 (5) www.bothhandusa.com Rev:20111011A Page 3 of 5 PRELIMINARY Isolated DC-DC Converters BXC60W Series -- 60Watt Bothhand USA BXC60-48S1W BXC60-48S1W 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. Short to -Vin (Pin 2). 5. Based on BXC60-48S1W. Mechanical Dimensions 8 7 3 6 5 Bottom View 4 2 1 Pin 1 2 3 4 5 6 7 8 Pin Assignment Single Dual +Vin +Vin -Vin -Vin Remote On/Off -Sense +Vout +Sense Common +Vout Common -Vout -Vout Trim Unit: mm [inch] Tolerance:±0.5[±0.02] Specifications subject to change without notice. [email protected] www.bothhandusa.com Rev:20111011A Page 4 of 5 PRELIMINARY Bothhand USA Isolated DC-DC Converters BXC60W Series -- 60Watt Heat-sink 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. [email protected] www.bothhandusa.com Rev:20111011A Page 5 of 5